Acetic anhydride

Acetic anhydride

Phân loại: Reagent

Thương hiệu: DEAJUNG

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CAS Number 108-24-7 
Linear Formula (CH3CO)2O; C4H6O3 
Molecular Weight 102.09 
Maker 3b6chem 
Catalog Number 1007-4400 
Assay 97% 
Grade EP 
Package 1KG 
mp(Melting Point) -73.1℃ 
bp(Boiling Point) 140℃ 
d(Density) 1.087 
Fp(Flash Point) 54℃ 
: 1007-4400
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Description
Catalogue Number 1007-4400
Synonyms Acetyl acetate, Acetyl oxide

Product Information
CAS number 108-24-7
Grade EP
Hill Formula C₄H₆O₃
Chemical formula (CH₃CO)₂O
Molar Mass 102.09 g/mol
Structure formula Image Structure formula Image

Physicochemical Information
Density 1.080 g/cm3 (20 °C)
Evaporation number 0.46
Explosion limit 2.0 - 10.2 %(V)
Flash point 49 °C
Ignition temperature 330 °C
Melting Point -73 °C
pH value 3 (10 g/l, H₂O, 20 °C)
Vapor pressure 4 hPa (20 °C)

Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s) H226: Flammable liquid and vapour.
H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
H330: Fatal if inhaled.
EUH071: Corrosive to the respiratory tract.
Precautionary Statement(s) P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word Danger
Storage class 3 Flammable liquids
WGK WGK 1 slightly hazardous to water
Disposal 11
Organic acid halides, anhydrides and isocyanates can be added dropwise to an excess of methanol to convert them into the corresponding methyl esters or methyl carbamates. If necessary, neutralize with sodium hydroxide solution. Fill into container A.

Safety Information
Categories of danger flammable, harmful, corrosive

Storage and Shipping Information
Storage Store at +2°C to +30°C.