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:
Assay:
98%
vapor density
2.97 (vs air)
Quality Level
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
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
General description
Crotonic acid undergoes esterification with butan-2-ol by following second order reaction kinetics.
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.
Preparation Note
Crotonic acid dissolves in water at a concentartion of 100 mg/ml to yield a clear, colorless solution.
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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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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
Rita Mozes-Koch et al.
Journal of biological engineering, 11, 44-44 (2017-12-05)
Previously we demonstrated that an entire bacterial operon (the PRN operon) is expressible in plants when driven by the Tomato -yellow-leaf-curl-virus (TYLCV) -derived universal vector IL-60.Petroleum-derived plastics are not degradable, and are therefore harmful to the environment. Fermentation of bacteria
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