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Merck
CN

239569

Crotonic acid

≥99%

Synonym(s):

trans-2-Butenoic acid

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About This Item

Linear Formula:
CH3CH=CHCOOH
CAS Number:
Molecular Weight:
86.09
EC Number:
203-533-9
UNSPSC Code:
12352100
MDL number:
Beilstein/REAXYS Number:
1719943
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vapor density

2.97 (vs air)

vapor pressure

0.19 mmHg ( 20 °C)

assay

≥99%

autoignition temp.

744 °F

expl. lim.

15.1 %, 171 °F, 2.2 %, 135 °F

bp

180-181 °C (lit.)

mp

70-72 °C (lit.)

density

1.027 g/mL at 25 °C (lit.)

SMILES string

[H]\C(C)=C(\[H])C(O)=O

InChI

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

InChI key

LDHQCZJRKDOVOX-NSCUHMNNSA-N



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