Description Catalogue Number 841116 Synonyms 2-Bromo-2-methylpropionyl bromide Product Information CAS number 20769-85-1 EC number 244-017-3 Hill Formula C₄H₆Br₂O Molar Mass 229.89 g/mol HS Code 2915 90 70 Structure formula Image Applications Application 2-Bromoisobutyryl bromide for synthesis. CAS 20769-85-1, molar mass 229.89 g/mol. Physicochemical Information Density 1.86 g/cm3 (20 °C) Flash point >110 °C Safety Information according to GHS Hazard Pictogram(s) Hazard Statement(s) H314: Causes severe skin burns and eye damage. Precautionary Statement(s) P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician. Storage class 8A Combustible, corrosive hazardous materials WGK WGK 3 highly water endangering Disposal 11 Organic acid halides, anhydrides and isocyanates can be added dropwise to an excess of methanol (Cat. No. 822283) to convert them into the corresponding methyl esters or methyl carbamates. If necessary, neutralize with sodium hydroxide solution (Cat. No. 105587). Fill into container A. Safety Information Hazard Symbols Corrosive Categories of danger corrosive R Phrase R 34 Causes burns. S Phrase S 26-36/37/39-45 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). Storage and Shipping Information Storage Store below +30°C. Transport Information Declaration (railroad and road) ADR, RID UN 3265 , 8, II Declaration (transport by air) IATA-DGR UN 3265 , 8, II Declaration (transport by sea) IMDG-Code UN 3265 , 8, II, Segregation Group: 1 (Acids) Specifications Assay (GC, area%) ≥ 98.0 % (a/a) Density (d 20 °C/ 4 °C) 1.858 - 1.865 Identity (IR) passes test
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