1. product identifier

substance name ： methyl acetoacetate

synonyms: methyl acetoacetaten; acetoacetic acid methyl ester; butanoic acid, 3-oxo-, methyl ester:; methyl 3-oxobutanoate; maa

cas no. ： 105-45-3

einecs no. ： 203-299-8

molecular formula ： c₅ h₈ o₃

m olecular   weight ： 116.1152

molecular structure ：

 

2. physical and chemical properties

character: colorless transparent liquid with aromatic fragrance.

density ： 1.039g/cm³

melting point ： -80 ℃

boiling point ： 169.4°c at 760 mmhg

flash point ： 61.6°c

w ater solubility ： 460 g/l (20 ℃ )

vapour pressure ： 1.54mmhg at 25°c

solubility(ies) : miscible with ethanol and ether, slightly soluble in water.  

3. hazards identification

hazard pictogram(s):

xi :irritant;

hazard statement ： r36

precautionary statement ： s26

4.specification:

item	standard
appearance	transparent liquid
content	≥99%
acidity (as ch3cooh)	≤0.20%
moisture	≤0.10%

application ：

( 1 ). raw material for pharmaceutical intermediates of vitamin a, b, e and carotene.

( 2) . agricultural intermediates of herbicide, pesticide, bactericide and rodenticide.

( 3 ). composition for cellulose ether and cellulose resin mixed solvent.