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Merck

113018

Crotonic acid

98%

Synonym(s):

trans-2-Butenoic acid

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About This Item

Linear Formula:
CH3CH=CHCOOH
CAS Number:
Molecular Weight:
86.09
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
203-533-9
Beilstein/REAXYS Number:
1719943
MDL number:
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Product Name

Crotonic acid, 98%

InChI key

LDHQCZJRKDOVOX-NSCUHMNNSA-N

InChI

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

SMILES string

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

vapor density

2.97 (vs air)

vapor pressure

0.19 mmHg ( 20 °C)

assay

98%

autoignition temp.

744 °F

expl. lim.

15.1 %, 171 °F
2.2 %, 135 °F

bp

180-181 °C (lit.)

mp

70-72 °C (lit.)

solubility

H2O: soluble

density

1.027 g/mL at 25 °C (lit.)

functional group

carboxylic acid

Quality Level

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Application

Crotonic acid is used in the copolymerization of crotonic acid hydrogel systems by using gamma-rays. The crosslinked copolymeric crotonic acid hydrogels release fertilizers and drugs that help to prevent environmental pollution.

General description

Crotonic acid undergoes esterification with butan-2-ol by following second order reaction kinetics.

Preparation Note

Crotonic acid dissolves in water at a concentartion of 100 mg/ml to yield a clear, colorless solution.

pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 2

flash_point_f

190.4 °F - closed cup

flash_point_c

88 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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Donya Kamravamanesh et al.
AMB Express, 7(1), 143-143 (2017-07-09)
Poly-β-hydroxybutyrate (PHB) production from CO
R F Bing et al.
Hypertension (Dallas, Tex. : 1979), 5(6), 951-957 (1983-11-01)
We have studied the possible vasodepressor role of the renal medulla by chemical medullectomy. Bromoethylamine hydrobromide (200 mg/kg) was injected to induce selective renal medullary necrosis in rats. The acute effects on sodium balance and long-term effects on blood pressure
Andres García et al.
Microbial cell factories, 17(1), 10-10 (2018-01-24)
Azotobacter vinelandii is a bacterium that produces alginate and polyhydroxybutyrate (P3HB); however, the role of NAD(P)H/NAD(P) The results reveal that changes in the oxygen availability have an important effect on the metabolic fluxes and intracellular NADPH/NADP We have demonstrated that
Tahina Onina Ranaivoarisoa et al.
Journal of industrial microbiology & biotechnology, 46(9-10), 1401-1417 (2019-03-31)
Bacterial synthesis of polyhydroxybutyrates (PHBs) is a potential approach for producing biodegradable plastics. This study assessed the ability of Rhodopseudomonas palustris TIE-1 to produce PHBs under various conditions. We focused on photoautotrophy using a poised electrode (photoelectroautotrophy) or ferrous iron
Y S Liang et al.
Journal of animal science, 95(4), 1727-1738 (2017-05-04)
The objective of this study was to evaluate the effect of residual feed intake (RFI) on rumen function in finishing lambs. A total of 60 male Hu lambs (average initial BW = 25.2 ± 2.5kg) were used and were offered

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