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8.00107

Sigma-Aldrich

Methyl acetoacetate

for synthesis

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Synonym(s):
Methyl acetoacetate, Methyl 3-oxobutanoate, Methyl 3-oxobutyrate, Acetoacetic acid methyl ester
Empirical Formula (Hill Notation):
C5H8O3
CAS Number:
Molecular Weight:
116.12
MDL number:
EC Index Number:
203-299-8

vapor pressure

1 hPa ( 20 °C)

Quality Level

form

liquid

autoignition temp.

260 °C

potency

3228 mg/kg LD50, oral (Rat)
>5000 mg/kg LD50, skin (Rabbit)

expl. lim.

1.3-14.2 % (v/v)

pH

3.8 (20 °C, 863 g/L in H2O)

bp

170 °C/1013 hPa

mp

-39 °C

transition temp

flash point 67 °C

solubility

863 g/L

density

1.08 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C5H8O3/c1-4(6)3-5(7)8-2/h3H2,1-2H3

InChI key

WRQNANDWMGAFTP-UHFFFAOYSA-N

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bp

170 °C/1013 hPa

bp

169-170 °C/70 mmHg (lit.)

bp

169-170 °C/70 mmHg (lit.)

bp

-

mp

-39 °C

mp

−80 °C (lit.)

mp

−80 °C (lit.)

mp

-53.3 °C

solubility

863 g/L

solubility

-

solubility

-

solubility

130.3 g/L

density

1.08 g/cm3 at 20 °C

density

1.076 g/mL at 25 °C (lit.)

density

1.076 g/mL at 25 °C (lit.)

density

1.03 g/cm3 at 20 °C

storage temp.

2-30°C

storage temp.

-

storage temp.

-

storage temp.

2-30°C

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

158.0 °F - closed cup

Flash Point(C)

70 °C - closed cup


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