2-Methyl-2-pentenoic acid

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Names

[ CAS No. ]:
3142-72-1

[ Name ]:
2-Methyl-2-pentenoic acid

[Synonym ]:
2-Pentenoic acid, 2-methyl-, (2E)-
EINECS 241-026-4
2-Pentene-2-carboxylicacid
(2E)-2-methylpent-2-enoic acid
(2E)-2-Methyl-2-pentenoic acid
FEMA 3195
STRAWBERRIFF
2-methylpent-2-enoic acid
RARECHEM AL BE 0127
2-Methyl-pent-2-ensaeure
2-methyl-2-pentenoicaci
3-Ethyl-2-methylacrylicacid
FEMA NUMBER 3195
MFCD00002655
Methylpentenoicacidpract

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
215.9±0.0 °C at 760 mmHg

[ Melting Point ]:
26-28 °C(lit.)

[ Molecular Formula ]:
C6H10O2

[ Molecular Weight ]:
114.142

[ Flash Point ]:
107.8±0.0 °C

[ Exact Mass ]:
114.068077

[ PSA ]:
37.30000

[ LogP ]:
1.89

[ Vapour density ]:
>1 (vs air)

[ Vapour Pressure ]:
0.1±0.8 mmHg at 25°C

[ Index of Refraction ]:
1.454

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS05

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H314

[ Precautionary Statements ]:
P280-P305 + P351 + P338-P310

[ Hazard Codes ]:
C:Corrosive;

[ Risk Phrases ]:
R22;R34

[ Safety Phrases ]:
S26-S36/37/39-S45

[ RIDADR ]:
UN 3261 8/PG 3

[ WGK Germany ]:
2

[ Packaging Group ]:
III

[ Hazard Class ]:
8

[ HS Code ]:
2916190090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Ethyl 2-methyl-2-pentenoate
  • trans-2-Methyl-2-pentenal
  • (1-Methoxy-propyl)-methyl-malonester
  • 2-methyl-3-pentenoic acid
  • 2-Methyl-2-pentenal
  • 2-Hexanone,3,3-dichloro-

DownStream

  • 2-Methylpentanoic acid
  • ethyl (E)-2-methyl-2-pentenoate

Customs

[ HS Code ]: 2916190090

[ Summary ]:
2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

Related Compounds

  • 2-Methyl-2-pentenoic acid
  • (E)-2-Methyl-2-pentenoic acid chloride
  • (2E,4R)-5-[1,1'-Biphenyl]-4-yl-4-[[(1,1-dimethylethoxy)carbonyl]amino]-2-methyl-2-pentenoic acid
  • 2-Methyl-2-propanyl (3R)-3-hydroxy-4-pentenoate
  • 2-Amino-4-methyl-2-pentenoic acid ethyl ester
  • 2-Methoxy-3-methyl-2-pentenoic acid methyl ester