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113018 Aldrich

Crotonic acid

98%

Synonym: trans-2-Butenoic acid

  • CAS Number 107-93-7

  • Linear Formula CH3CH=CHCOOH

  • Molecular Weight 86.09

  •  Beilstein Registry Number 1719943

  •  EC Number 203-533-9

  •  MDL number MFCD00002701

  •  PubChem Substance ID 24847127

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Properties

Related Categories Building Blocks, C1 to C5, Carbonyl Compounds, Carboxylic Acids, Cell Biology,
vapor density   2.97 (vs air)
vapor pressure   0.19 mmHg ( 20 °C)
InChI Key   LDHQCZJRKDOVOX-NSCUHMNNSA-N
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.)

Description

Packaging

3 kg in poly drum

500 g in poly bottle

Preparation Note

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

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.

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 2823 8 / PGIII
WGK Germany 
3
RTECS 
GQ2900000
Flash Point(F) 
190.4 °F
Flash Point(C) 
88 °C

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