Name | 1,4-Dibromo-2,3,5,6-tetramethylbenzene |
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Synonyms |
1,4-Dibromo-2,3,5,6-tetramethylbenzne
3,6-dibromotetramethylbenzene 3,6-Dibromodurene 1,4-dibromodurene 1,4-dibromo-2,3,5,6-tetramethylbenzonitrile 1,4-dibromotetramethylbenzene |
Density | 1.562g/cm3 |
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Boiling Point | 307.7ºC at 760 mmHg |
Molecular Formula | C10H12Br2 |
Molecular Weight | 292.01000 |
Flash Point | 160.9ºC |
Exact Mass | 289.93100 |
LogP | 4.44520 |
Vapour Pressure | 0.0013mmHg at 25°C |
Index of Refraction | 1.565 |
SECTION 1: Identification of the substance/mixture and of the company/undertaking Product identifiers Product name: 1,4-DIBROMO-2,3,5,6-TETRAMETHYLBENZENE REACH No.: A registration number is not available for this substance as the substance or its uses are exempted from registration, the annual tonnage does not require a registration or the registration is envisaged for a later registration deadline.
CAS-No.: 1646-54-4 Relevant identified uses of the substance or mixture and uses advised against Identified uses: Laboratory chemicals, Manufacture of substances SECTION 2: Hazards identification Classification of the substance or mixture Classification according to Regulation (EC) No 1272/2008 Chronic aquatic toxicity (Category 4), H413 For the full text of the H-Statements mentioned in this Section, see Section 16. This substance is not classified as dangerous according to Directive 67/548/EEC. Label elements Labelling according Regulation (EC) No 1272/2008 Pictogramnone Signal wordnone Hazard statement(s) H413May cause long lasting harmful effects to aquatic life. Precautionary statement(s) none Supplemental Hazardnone Statements Other hazards - none SECTION 3: Composition/information on ingredients Substances Formula: C10H12Br2 Molecular Weight: 292,02 g/mol CAS-No.: 1646-54-4 No components need to be disclosed according to the applicable regulations. For the full text of the H-Statements and R-Phrases mentioned in this Section, see Section 16 SECTION 4: First aid measures Description of first aid measures General advice Consult a physician. Show this safety data sheet to the doctor in attendance. If inhaled If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician. In case of skin contact Wash off with soap and plenty of water. Consult a physician. In case of eye contact Flush eyes with water as a precaution. If swallowed Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician. Most important symptoms and effects, both acute and delayed The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in section 11 Indication of any immediate medical attention and special treatment needed no data available SECTION 5: Firefighting measures Extinguishing media Suitable extinguishing media Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. Special hazards arising from the substance or mixture Carbon oxides, Hydrogen bromide gas Advice for firefighters Wear self contained breathing apparatus for fire fighting if necessary. Further information no data available SECTION 6: Accidental release measures Personal precautions, protective equipment and emergency procedures Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. For personal protection see section 8. Environmental precautions Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. Methods and materials for containment and cleaning up Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed containers for disposal. Reference to other sections For disposal see section 13. SECTION 7: Handling and storage Precautions for safe handling Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2. Conditions for safe storage, including any incompatibilities Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Specific end use(s) A part from the uses mentioned in section 1.2 no other specific uses are stipulated SECTION 8: Exposure controls/personal protection Control parameters Components with workplace control parameters Exposure controls Appropriate engineering controls Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday. Personal protective equipment Eye/face protection Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it. Body Protection Choose body protection in relation to its type, to the concentration and amount of dangerous substances, and to the specific work-place., The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Respiratory protection Respiratory protection is not required. Where protection from nuisance levels of dusts are desired, use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Control of environmental exposure Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. SECTION 9: Physical and chemical properties Information on basic physical and chemical properties a) AppearanceForm: solid b) Odourno data available c) Odour Thresholdno data available d) pHno data available e) Melting point/freezingno data available point f) Initial boiling point and no data available boiling range g) Flash pointno data available h) Evapouration rateno data available i) Flammability (solid, gas) no data available j) Upper/lowerno data available flammability or explosive limits k) Vapour pressureno data available l) Vapour densityno data available m) Relative densityno data available n) Water solubilityno data available o) Partition coefficient: n- log Pow: 4,807 octanol/water p) Auto-ignitionno data available temperature q) Decompositionno data available temperature r) Viscosityno data available s) Explosive propertiesno data available t) Oxidizing propertiesno data available Other safety information no data available SECTION 10: Stability and reactivity Reactivity no data available Chemical stability Stable under recommended storage conditions. Possibility of hazardous reactions no data available Conditions to avoid no data available Incompatible materials Strong oxidizing agents Hazardous decomposition products Other decomposition products - no data available In the event of fire: see section 5 SECTION 11: Toxicological information Information on toxicological effects Acute toxicity no data available Skin corrosion/irritation no data available Serious eye damage/eye irritation no data available Respiratory or skin sensitisation no data available Germ cell mutagenicity no data available Carcinogenicity IARC:No component of this product present at levels greater than or equal to 0.1% is identified as probable, possible or confirmed human carcinogen by IARC. Reproductive toxicity no data available Specific target organ toxicity - single exposure no data available Specific target organ toxicity - repeated exposure no data available Aspiration hazard no data available Additional Information RTECS: Not available To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated. SECTION 12: Ecological information Toxicity no data available Persistence and degradability no data available Bioaccumulative potential no data available Mobility in soil no data available Results of PBT and vPvB assessment PBT/vPvB assessment not available as chemical safety assessment not required/not conducted Other adverse effects no data available SECTION 13: Disposal considerations Waste treatment methods Product Offer surplus and non-recyclable solutions to a licensed disposal company. Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. Contaminated packaging Dispose of as unused product. SECTION 14: Transport information UN number ADR/RID: -IMDG: -IATA: - UN proper shipping name ADR/RID: Not dangerous goods IMDG: Not dangerous goods IATA:Not dangerous goods Transport hazard class(es) ADR/RID: -IMDG: -IATA: - Packaging group ADR/RID: -IMDG: -IATA: - Environmental hazards ADR/RID: noIMDG Marine pollutant: noIATA: no Special precautions for user no data available SECTION 15 - REGULATORY INFORMATION N/A SECTION 16 - ADDITIONAL INFORMATION N/A |
HS Code | 2903999090 |
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~90% 1646-54-4 |
Literature: Miller, Glen P.; Kaur, Irvinder Patent: US2011/130593 A1, 2011 ; Location in patent: Page/Page column 6 ; |
~5% 1646-54-4 |
Literature: Podgorsek, Ajda; Stavber, Stojan; Zupan, Marko; Iskra, Jernej Tetrahedron, 2009 , vol. 65, # 22 p. 4429 - 4439 |
~% 1646-54-4 |
Literature: Smith; Moyle Journal of the American Chemical Society, 1933 , vol. 55, p. 1676,1681 |
~49% 1646-54-4 |
Literature: Sohmiya, Hajime; Kimura, Takahide; Fujita, Mitsue; Ando, Takashi Tetrahedron, 1998 , vol. 54, # 45 p. 13737 - 13750 |
~% 1646-54-4 |
Literature: Korczynski Chemische Berichte, 1902 , vol. 35, p. 868 Anzeiger Akad. Wiss. Krakau |
~% 1646-54-4 |
Literature: Smith; Moyle Journal of the American Chemical Society, 1933 , vol. 55, p. 1676,1681 |
~% 1646-54-4 |
Literature: Willstaetter; Hatt Chemische Berichte, 1912 , vol. 45, p. 1475 |
Precursor 7 | |
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DownStream 6 | |
HS Code | 2903999090 |
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Summary | 2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |