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8.02650

Sigma-Aldrich

Crotonic acid

for synthesis

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Synonym(s):
Crotonic acid, ß-Methylacrylic acid, 2-Butenoic acid
Linear Formula:
CH3CH=CHCOOH
CAS Number:
Molecular Weight:
86.09
MDL number:
UNSPSC Code:
12352106
EC Index Number:
203-533-9
NACRES:
NA.22

vapor pressure

0.25 hPa ( 20 °C)

Quality Level

Assay

≥99.0% (GC)

form

crystals

autoignition temp.

500 °C

potency

1000 mg/kg LD50, oral (Rat)
600 mg/kg LD50, skin (Rabbit)

pH

3 (20 °C, 10 g/L in H2O)

bp

185.0-199.5 °C/1013 hPa

mp

70-73 °C

transition temp

flash point 90 °C

density

1.02 g/cm3 at 20 °C

bulk density

543 kg/m3

storage temp.

2-30°C

InChI

1S/C4H6O2/c1-2-3-4(5)6/h2-3H,1H3,(H,5,6)/b3-2+

InChI key

LDHQCZJRKDOVOX-NSCUHMNNSA-N

Related Categories

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 70 °C
Melting range (upper value): ≤ 73 °C
Identity (IR): passes test

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Dam. 1

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

190.4 °F - closed cup

Flash Point(C)

88 °C - closed cup


Certificates of Analysis (COA)

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