2-Methyl-2-pentenoic acid

Modify Date: 2025-09-02 20:33:29

2-Methyl-2-pentenoic acid Structure
2-Methyl-2-pentenoic acid structure
Common Name 2-Methyl-2-pentenoic acid
CAS Number 3142-72-1 Molecular Weight 114.142
Density 1.0±0.1 g/cm3 Boiling Point 215.9±0.0 °C at 760 mmHg
Molecular Formula C6H10O2 Melting Point 26-28 °C(lit.)
MSDS Chinese USA Flash Point 107.8±0.0 °C
Symbol GHS05
GHS05
Signal Word Danger

 Names

Name 2-Methyl-2-pentenoic acid
Synonym More Synonyms

 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

 Safety Information

Symbol GHS05
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

~89%

2-Methyl-2-pentenoic acid Structure

2-Methyl-2-pent...

CAS#:3142-72-1

Literature: Synthesis, , # 3 art. no. F19009SS, p. 477 - 485

~74%

2-Methyl-2-pentenoic acid Structure

2-Methyl-2-pent...

CAS#:3142-72-1

Literature: Journal of Organic Chemistry, , vol. 50, # 21 p. 4068 - 4071

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2-Methyl-2-pentenoic acid Structure

2-Methyl-2-pent...

CAS#:3142-72-1

Literature: Monatshefte fuer Chemie, , vol. 4, p. 52

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2-Methyl-2-pentenoic acid Structure

2-Methyl-2-pent...

CAS#:3142-72-1

Literature: Sov. Prog. Chem. (Engl. Transl.), , vol. 33, # 4 p. 384 - 387,35 - 37

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2-Methyl-2-pentenoic acid Structure

2-Methyl-2-pent...

CAS#:3142-72-1

Literature: Chemische Berichte, , vol. 37, p. 1617

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2-Methyl-2-pentenoic acid Structure

2-Methyl-2-pent...

CAS#:3142-72-1

Detail
Literature: Helvetica Chimica Acta, , vol. 47, p. 725 - 740 Helvetica Chimica Acta, , vol. 34, p. 1482,1486, 1891

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2-Methyl-2-pentenoic acid Structure

2-Methyl-2-pent...

CAS#:3142-72-1

Literature: Journal fuer Praktische Chemie (Leipzig), , vol. <2>51, p. 534

 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%

 Synonyms

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
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