Acetic anhydride for synthesis. Acetic anhydride CAS No. 108-24-7, EC Number 203-564-8. Acetic anhydride MSDS (material safety data sheet) or SDS here.
1.08 g/cm3 (20 °C)
2.0 - 10.2 %(V)
3 (10 g/l, H₂O, 20 °C)
4 hPa (20 °C)
LD 50 oral
LD50 Rat 630 mg/kg
LD 50 dermal
LD50 Rabbit 4320 mg/kg
Safety Information according to GHS
H226: Flammable liquid and vapour. H302: Harmful if swallowed. H314: Causes severe skin burns and eye damage. H330: Fatal if inhaled.
P210: Keep away from heat. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. 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.
3 Flammable liquids
WGK 1 slightly water endangering
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.
Categories of danger
flammable, harmful, corrosive
R 10-20/22-34 Flammable.Harmful by inhalation and if swallowed.Causes burns.
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).