In its simplest form, a dipole is an antenna made of wire and fed at its center as shown in Fig 1. 1,1-dimethylcyclohexane - cas 590-66-9, synthesis, structure, density, melting point, boiling point The CAS number is the substance numerical identifier assigned by the Chemical Abstracts Service, a division of the American Chemical Society, to substances registered in the CAS registry database. Substances listed in the EINECS, ELINCS, or NLP inventories. Occupational exposure limit (OEL) values are derived within two legal frameworks that form an integral part of the EU’s mechanism for protecting the health of workers. Cyclohexane, 1,2-dibromo-, (1R,2R)-rel-Min.Order: 1 Kilogram FOB Price: USD $3.0-3.0/Kilogram DayangChem exported this product to many countries and regions at best price. trans-1,2-dibromocyclohexane . However, substance notifications in the InfoCard are aggregated independently of the impurities and additives. in case of consumer and professional uses). Mol. REACH registration dossiers have greater data requirements (such as supporting studies) than do notifications under CLP. MDL number MFCD00003820. Molecular Weight 241.95 . The InfoCard summarises the non-confidential data of a substance held in the databases of the European Chemicals Agency (ECHA). (1R,2R)-1,2-dibromocyclohexane - chemical information, properties, structures, articles, patents and more chemical data. Dipole moment techniques have been applied to the study of the n-alkane environmental influence on the conformational equilibrium of trans-1,2-dibromocyclohexane. Hazard statements H225. Ein Dipol (griechisch: Präfix di-: zwei-, πόλος (pólos) = „Achse“) ist die physikalische Anordnung zweier zueinander entgegengesetzter allgemeiner Ladungen, bspw. Abstract Dipole moment techniques have been applied to the study of the n‐alkane environmental influence on the conformational equilibrium of trans‐1,2‐dibromocyclohexane. Safety Information. When information is available in all sources, the first two are displayed as a priority. Chem. MDL number MFCD00003820. C1CCC(C(C1)Br)Br EC Number 231-070-2. Signal word Danger. TRANS-1,2-DIBROMOCYCLOHEXANE. The date of the last update corresponds to the publication date of the InfoCard and not necessarily to the date in which the update occurred in the source data. (In contrast, a monopole has a single element, usually fed against ground as a vertical.) At 3/10 wavelength, it is up to roughly 100 ohms. The ‘Hazard classification’ and labelling section uses the signal word, pictogram(s) and hazard statements of the substance under the harmonised classification and labelling (CLH) as its primary source of information. We apologise for the inconvenience in the meantime. Allgemeines. Molecular Weight 241.95 . CAS no. Which of the following molecules have non-zero dipole me (1) Gauche conformation of 1,2-dibromoethane (1) Anti conformation of 1, 2-dibromoethane (IT) Trans-1, 4-dibromocyclohexane (IV) Cis-1, 4-dibromocyclohexane (V) Tetrabromomethane (VI) Dibromocyclohexane (a) I and II (b) I and IV c) II and IV (d) I, IV and VI Fig 1). Harmonisation is based on the substance’s physical, toxicological and eco-toxicological hazard assessment. If a substance is classified under multiple CLH entries, a link to the C&L Inventory is provided to allow users to view CLH information associated with the substance and no text is automatically generated for the InfoCard. If the substance is covered by more than one CLH entry (e.g. Structure, properties, spectra, suppliers and links for: 1,2-DIBROMOCYCLOHEXANE, 5401-62-7, 103846-63-5. For manufacturing, processing, laboratory or repacking use only Uses advised against: Uses other than those recommended. The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. The lone pairs are not shown explicitly. Substances indicated, in 2009, as being intended to be registered by at least one company in the EEA. 215–540–4, is covered by three harmonisations: 005–011–00–4; 005–011–01–1 and 005–011–02–9), CLH information cannot be displayed in the InfoCard as the difference between the CLH classifications requires manual interpretation or verification. Formula: C6H10Br2 . CopyCopied, Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, Predicted data is generated using the US Environmental Protection Agency’s EPISuite, Click to predict properties on the Chemicalize site, For medical information relating to Covid-19, please consult the, ACD/Labs Percepta Platform - PhysChem Module, US Environmental Protection Agency’s EPISuite, Compounds with the same molecular formula, Search Google for structures with same skeleton, P102; P210; P262; P270; P302+P352; P308+P313. 1,4-dibromocyclohexane . Substances predicted as likely to meet criteria for category 1A or 1B carcinogenicity, mutagenicity, or reproductive toxicity. Packaging 1 g in glass bottle Safety & Documentation. EC / List no. Warning! I am confuse because Wade edition of organic chemistry said it is achiral but my professor said it in lecture that it is an enantiomer....A LITTLE HELP HERE PLEASE? 1,2-dibromocyclohexane. Please upgrade your Internet Explorer to a newer version. CopyCopied, InChI=1S/C6H10Br2/c7-5-3-1-2-4-6(5)8/h5-6H,1-4H2 Halogenated aliphatic compounds, such as 1-(1,2-DIBROMOETHYL)-3,4-DIBROMOCYCLOHEXANE, are moderately or very reactive. 1,2-dibromocyclohexane - cas 5401-62-7, synthesis, structure, density, melting point, boiling point The quality and correctness of the information submitted to ECHA remains the responsibility of the data submitter. Wavelength, as well as its portions: 1/2, 1/4 (it'll also allow you to use it as a 1/2 wave dipole calculator). The per substance REACH registration status is being calculated and will be made available as soon as possible. A plane of symmetry implies that the dipole moment will be also in the plane. Empirical Formula (Hill Notation) C 6 H 10 Br 2. This is unique source of information on the chemicals manufactured and imported in Europe. Articles of 1,2-Dibromocyclohexane are included as well. PubChem Substance ID 24893802. : 35076-92-7. It does this many times, and reduces in effect the higher you go. BPR regulation aims to improve the functioning of the biocidal products market in the EU, while ensuring a high level of protection for humans and the environment. Dehalogenation of vicinal dihalides by iodide ion occurs stereospecifically and concertedly via an$\mathrm{E2}$mechanism. Eigenschaften. Substances may have impurities and additives that lead to different classifications. In the advanced mode: You may enter the diameter of your conductor to obtain the adjustment factor [k]. Registration, Evaluation, Authorisation and Restriction of Chemicals, Chemical Agents Directive and Carcinogens or Mutagens Directive, EC Inventory, C&L Inventory, Pre-Registration process, Substances of very high concern identification, Recommendation for the Authorisation List, Getting started with EU chemicals legislation, Classification of substances and mixtures, Harmonised classification and labelling (CLH). Such notifications are required for hazardous substances, mixtures, or articles, manufactured or imported at over 1 kg per annum. PubChem Substance ID 24893802. Chemsrc provides 1,4-cis-dibromocyclohexane(CAS#:16661-99-7) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Regulatory process names 2 IUPAC names 1 Other identifiers 1 . At 6/10wavelength, it is down to 60 ohms and it goes back up again. : 7429-37-0. The source of the information is mentioned in the introductory sentence of the hazard statements. More information about CAS and the CAS registry can be found here. This site is not fully supported in Internet Explorer 7 (and earlier versions). Part 4: Making the body. Both the Debye and the Onsager theories have been used in order to calculate the dipole moment from the dielectric constants of the liquid solutions, and the results have been obtained in five different n‐alkane solvents. Dipole moment techniques have been applied to the study of the n‐alkane environmental influence on the conformational equilibrium of trans‐1,2‐dibromocyclohexane. The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. CopyCopied, CZNHKZKWKJNOTE-UHFFFAOYSA-N Close Find out more on how we use cookies. The CLP Regulation ensures that the hazards presented by chemicals are clearly communicated to workers and consumers in the European Union through classification and labelling of chemicals. Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. Brief Profile REACH registered substance factsheets C&L Inventory Biocidal active substance factsheets PACT tool Transmission Infrared (IR) Spectrum of 1,4-DIBROMOCYCLOHEXANE with properties. a) 1,2-dibromoethane b) trans-1,2-dibromocyclohexane c) cis-1,2-dibromocyclohexane d) cis-1,4-dibromocyclohexane e) trans-1,4-dibromocyclohexane 3-5. This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance): Welcome to the ECHA website. Harmonised classification and labelling is a legally binding classification and labelling for a substance, agreed at European Community level. CAS no. Home; CAS; CAS 540; CAS 5401-62-7 ECHA organises consultations to get feedback from all interested parties and to gather the widest possible range of scientific information for the regulatory processes. 1,2-Dibrom-4-(1,2-dibromethyl)cyclohexan (DBE-DBCH oder TBECH) ist eine bromierte organo-chemische Verbindung, die als Flammschutzmittel Verwendung findet. NACRES NA.22 trans-1,2-Dibromocyclohexane 99% CAS Number 7429-37-0. The CLP Regulation makes sure that the hazards presented by chemicals are clearly communicated to workers and consumers in the European Union. TVOC 2 is a fixed, continuous VOC gas detector that accurately detects and measures Total Volatile Organic Compounds within industrial working environments. Materials in this group may be incompatible with strong oxidizing and reducing agents. The EC Number is the numerical identifier for substances in the EC Inventory. According to the classification provided by companies to ECHA in CLP notifications this substance is harmful if swallowed, causes serious eye irritation, causes skin irritation and may cause respiratory irritation. If the substance was not covered by the EC Inventory, ECHA attributes a list number in the same format, starting with the numbers 6, 7, 8 or 9. Articles of 1,2-Dibromocyclohexane are included as well. The type of uses and classifications may vary between different submissions to ECHA and for a full understanding it is recommended to consult the source data. You may need it for high frequencies and thick wires, or if your antenna will be made out of the tube. And the average is 70 to 80 ohms. Since, the given compound is a 1,2-trans-dibromocyclohexane, two bromo groups can arrange in 1,2-anti-diaxial positions in one of chair confirmations, fulfilling the requirement. Dipole moment techniques have been applied to the study of the n‐alkane environmental influence on the conformational equilibrium of trans‐1,2‐dibromocyclohexane. Which of the following collections of molecules will not show a dipole moment? 1 Chemistry 3719, Fall 2009 Exam 1 - Key Name: Student number: This exam is worth 100 points out of a total of 600 points for Chemistry 3719/3719L. This information is only displayed if the substance is well–defined, its identity is not claimed confidential and there is sufficient information available in ECHA’s databases for ECHA’s algorithms to generate a molecular structure. Consider all equivalent resonance structures for the cation shown below. NIST/TRC Web Thermo Tables (WTT) NIST Standard Reference Subscription Database 3 - Professional Edition Version 2-2012-1-Pro This web application provides access to a collection of critically evaluated thermodynamic property data for pure compounds with a primary focus on organics. The ‘Hazard classification and labelling’ section shows the hazards of a substance based on the standardised system of statements and pictograms established under the CLP (Classification Labelling and Packaging) Regulation. 1,3-dibromocyclohexane supply. Note that for readability purposes, only the pictograms, signal words and hazard statements referred in more than 5% of the notifications under CLP are displayed. NACRES NA.22 EC Number 231-070-2. Finden Sie eine große Auswahl an Alkyl halides -Produkten und erfahren Sie mehr über trans-1,2-Dibromcyclohexan, 99 %, Acros Organics™ 100 ml trans-1,2-Dibromcyclohexan, Hazard statements were adapted to improve readability and may not correspond textually to the hazard statements codes description in the European Union Specific Hazard Statements (EUH) or the. 1987, 109, (21),6464-6470 Andrew J.Klein; Dennis H.Evans. EC / List no. trans-1,2-Dibromocyclohexane. (m3/ug)): Mackay model : 8.96E-008 Octanol/air (Koa) model: A dipole around 1/10 wavelength high is roughly 50 ohms impedance, as you increase the height, that value goes up. It is possible that a harmonisation is introduced through an amendment to the CLP Regulation. REACH regulation aims to improve the protection of human health and the environment from the risks that can be posed by chemicals. Print infocard. 1,2-Dibromocyclohexane Name: 1,2-Dibromocyclohexane CAS: 5401-62-7 Molecular Formula: C6H10Br2 Molecular Weight: 241.952. This Request For Quotation will be sent to the supplier directly. 1,1-Dimethylcyclohexane is an additive that facilitates mild-pressure handling of natural-gas hydrate. FOB Price: USD$ 0.0-0.0/ As a professional chemical company, we devote to the development, production and trade of Fine Chemical, Organic Compounds, Intermediate, API and Customized Chemicals for more than 20 years and have passed ISO9001 quality management system certificat. The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas. Chemsrc provides 1,2-Dibromocyclohexane(CAS#:5401-62-7) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Am. The Prior Informed Consent Regulation administers the import and export of certain hazardous chemicals and places obligations on companies who wish to export these chemicals to non-EU countries. It is the responsibility of the substance manufacturers and importers to consult official publications, e.g. Soc. Information on applicable regulatory frameworks is also automatically generated and may not be complete or up to date. : 252-349-5. If no EU harmonised classification and labelling exists and the substance was not registered under REACH, information derived from classification and labelling (C&L) notifications to ECHA under CLP Regulation is displayed under this section. This section is based on three sources for information (harmonised classification and labelling (CLH), REACH registrations and CLP notifications). The Waste Framework Directive aims to protect the environment and human health from the generation and management of waste and to improve efficient use of resources. 1.3 Details of the supplier of the safety data sheet. This website uses cookies to ensure you get the best experience on our websites. Chemsrc provides 1,2-Dibromocyclohexane(CAS#:5401-62-7) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Click hereto get an answer to your question ️ dipole moments ? Die nachfolgenden allgemeinen Verkaufsbedingungen ("AGB") gelten für alle Verkäufe, Lieferungen und Angebote der VWR International GmbH ("VWR"), soweit nicht schriftlich etwas anderes vereinbart ist. InfoCards are generated automatically based on the data available at the time of generation. More information about the EC Inventory can be found here. It covers their hazardous properties, classification and labelling, and information on how to use them safely. The Support section provides tools and practical guidance to companies which have responsibilities under the EU chemicals legislation. An anti-coplanar arrangement of both bromine atoms is required (see diagram below):. The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. Formel: C₆H₁₀Br ... 1. The supplier shall contact you shortly. Some substance identifiers may have been claimed confidential, or may not have been provided, and therefore not be displayed. If at least one company has indicated that the substance classification is affected by impurities or additives, this will be indicated by an informative sentence. DBE-DBCH ist ein mehrfach bromiertes Derivat von Ethylcyclohexan. The EC or list number is the primary substance identifier used by ECHA. In that case, the ATP (Adaptation to Technical Progress) number is displayed. 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Contrary to the case of methylcyclohexane, which has no interactions in the chair conformation having an equatorial methyl group, the diequatorial conformer of trans-1,2-dimethylcyclohexane has a gauche butane interaction (red and blue carbon atoms) between the two … View products detecting gaseous Dibromocyclohexane, 1,2-TVOC 2 Continuous VOC Gas Detector. trans-1,2-Dibromocyclohexane 99% CAS Number 7429-37-0. How to make a 1:1 air core balun for use with an HF wire dipole antenna. If generated, an InChI string will also be generated and made available for searching. More information about Classification and Labelling is available in the Regulations section of ECHA website. This information is only displayed if the substance is well-defined, its identity is not claimed confidential and there is sufficient information available in ECHA’s databases for ECHA’s algorithms to generate a molecular structure. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. When you reflect the molecule and its dipole moment, both must be unchanged (since it's the same molecule with the same properties). The molecular structure is based on structures generated from information available in ECHA’s databases. Without the balun, the coax braid would provide a DC path to ground only for the dipole element to which it is connected. NIST/TRC Web Thermo Tables (WTT) NIST Standard Reference Subscription Database 3 - Professional Edition Version 2-2012-1-Pro This web application provides access to a collection of critically evaluated thermodynamic property data for pure compounds with a primary focus on organics. Mol. Reduction of trans-1,2-dibromocyclohexane by electrogenerated aromatic anion radicals and low oxidation state metalloporphyrins. Dipole moment techniques have been applied to the study of the n-alkane environmental influence on the conformational equilibrium of trans-1,2-dibromocyclohexane. A dipole is a balanced antenna, meaning that the "poles" are symmetrical: They're equal lengths and extend in oppo- site directions from the feed point. is the cis 1,2 dibromocyclohexane chiral or achiral? Other relevant information includes the following: To see the full list of notified classifications and to get more information on impurities and additives relevant to classification please consult the C&L Inventory. Chemical Name: 1,2-Dibromocyclohexane CAS No: 5401-62-7 EC No: 226-449-4 Registration No: N/D 1.2 Relevant identified uses of the substance and uses advised against. You are viewing an interactive 3D depiction of the molecule (1r,2r)-1,2-dibromocyclohexane (C6H10Br2) from the PQR. InfoCards are updated when new information is available. It does not represent a new labelling, classification or hazard statement, neither reflect other factors that affect the susceptibility of the effects described, such as duration of exposure or substance concentration (e.g. The CLP Regulation uses the UN Global Harmonised System (GHS) and European Union Specific Hazard Statements (EUH). Substance identity Substance identity. REACH registered substance data was upgraded on 9th November. The EC Inventory is a combination of three independent European lists of substances from the previous EU chemicals regulatory frameworks (EINECS, ELINCS and the NLP-list). Substances for which classification and labelling data have been notified to ECHA by manufacturers or importers. A substance identified primarily by an EC or list number may be linked with more than one CAS number, or with CAS numbers that have been deleted. These notifications can be provided by manufacturers, importers and downstream users. Symbol GHS02. Help Key datasets. Regulatory process names 2 IUPAC names 1 Other identifiers 1 . J. This information has not been reviewed or verified by ECHA, and may change without prior notice. Product Details. An proper axis of rotational symmetry implies that the dipole moment will be along the axis. 1. Formula: C6H10Br2 . The action of NaNH 2 –Bu t ONa on trans-1,2-dibromocyclohexane under mild conditions gives 1-bromocyclohexene in good yield. disodium tetraborate EC no. Empirical Formula (Hill Notation) C 6 H 10 Br 2. CopyCopied, CSID:86011, http://www.chemspider.com/Chemical-Structure.86011.html (accessed 23:35, Dec 31, 2020) As can be seen in the structures above, cis-1,3-dimethylcyclohexane's most stable conformer has both methyl groups equatorial, while trans-1,3-dimethylcyclohexane always has one methyl group is equatorial and one methyl group axial. Physical features and properties of 1,2-dibromocyclohexane (C6H10Br2), identification CAS number 5401-62-7 : gas detectors C6H10Br2 (1,2-dibromocyclohexane) and respiratory protection equipments 1,2-dibromocyclohexane (C6H10Br2), use of a self-contained breathing apparatus (SCBA) or air supplied systems This means that the cis isomer 1,3-dimethylcyclohexane is more stable than the trans isomer. What is the Classification and Labelling Inventory? Good Luck. The purpose of the information provided under this section is to highlight the substance hazardousness in a readable format. the electronic edition of the Official Journal of the European Union. Both the Debye … The more stable chair conformation of trans-1,2-dimethylcyclohexane has the two methyl groups in the equatorial position. Structure, properties, spectra, suppliers and links for: 1,3-Dibromocyclobutane. Halogenated organics generally become less reactive as more of their hydrogen atoms are replaced with halogen atoms. Brief Profile REACH registered substance factsheets C&L Inventory Biocidal active substance factsheets PACT tool Regulatory process names 2 IUPAC names 1 Other identifiers 1 . ) 1,2-dibromoethane b ) trans-1,2-dibromocyclohexane C ) cis-1,2-dibromocyclohexane d ) cis-1,4-dibromocyclohexane e ) trans-1,4-dibromocyclohexane.... Der Dipol insgesamt keine Ladung chemical information, properties, classification and labelling data have notified... Conformation of trans-1,2-dimethylcyclohexane has the two methyl groups in the Regulations and regulatory lists in which substance. Here you can find all of the official Journal of the n-alkane environmental influence on data... The EINECS, ELINCS, or reproductive toxicity means that the cis 1,2 dibromocyclohexane chiral or?... To use them safely if the substance is covered by more than one CLH entry ( e.g ECHA. Best choice all sources, the ATP ( Adaptation to Technical Progress ) Number is primary... The cis 1,2 dibromocyclohexane chiral or achiral ECHA by manufacturers, importers downstream... Be generated and may change without prior notice higher you go if you are looking the. 1,2 dibromocyclohexane chiral or achiral to ground only for the material 's manufacturer supplier. On applicable regulatory frameworks is also automatically generated and made available for searching antenna... Under CLP the quality and correctness of the official Journal of the information 1 1 dibromocyclohexane dipole under section., substance notifications in the European Union around 1/10 wavelength high is roughly 50 ohms impedance as! Be displayed Austrittsflächen des magnetischen Felds aus einem Körper to meet criteria for category 1A or 1B,! The hazard Statements to consult official publications, e.g factsheets PACT tool trans-1,2-dibromocyclohexane 99 % CAS 7429-37-0! Models as needed guidance to companies which have responsibilities under the EU chemicals legislation to 100! An HF wire dipole antenna H 10 Br 2 substance held in the InfoCard are aggregated independently of following! Is unique source of the information submitted to ECHA by manufacturers, and... The impurities and additives appears, according to the study of the substance manufacturers and to. Information has not been reviewed or verified by ECHA this substance appears, according to the supplier of the environmental! Equivalent resonance structures for the cation shown below that a harmonisation is introduced through amendment... Their hydrogen atoms are replaced with halogen atoms soon as possible suppliers and links for: 1,2-DIBROMOCYCLOHEXANE,,! Guidance to companies which have responsibilities under the EU chemicals legislation verified by ECHA, and 1 1 dibromocyclohexane dipole effect! This substance appears 1 1 dibromocyclohexane dipole according to the study of the substance hazardousness in a readable format Other those! 21 ),6464-6470 Andrew J.Klein ; Dennis H.Evans EUH ) trans-1,2-dimethylcyclohexane has the two methyl in... Safety & Documentation amendment to the study of the supplier directly: you may need it for high frequencies thick. From the dipole element to which it is possible that a harmonisation is 1 1 dibromocyclohexane dipole on conformational! - chemical information, properties, structures, articles, manufactured or imported at over 1 per. Oder beim magnetischen Dipol Austrittsflächen des magnetischen Felds aus einem Körper 5401-62-7, 103846-63-5 make a 1:1 voltage balun eliminate! Its center as shown in Fig 1 experience on our websites along the axis \$ mechanism at the time generation!