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2-Methyl-4-pentenoic acid

2-Methyl-4-pentenoic acid Structure
2-Methyl-4-pentenoic acid structure
CAS No.
1575-74-2
Chemical Name:
2-Methyl-4-pentenoic acid
Synonyms
FEMA 3511;2-METHYLPENT-4-ENOIC ACID;UNII:29HK385L3G;FEMA NUMBER 3511;Methyl-4-pentenoic;2-Methyl-4-pentenoic;2-methyl-4-pentenoicaci;2-Methyl-4-pentenoic acid;4-Pentenoic acid, 2-methyl-;2-Methyl-4-pentenoicAcid>
CBNumber:
CB2186731
Molecular Formula:
C6H10O2
Molecular Weight:
114.14
MDL Number:
MFCD00015570
MOL File:
1575-74-2.mol
MSDS File:
SDS
Last updated:2026-09-12 18:50:25
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2-Methyl-4-pentenoic acid Properties

Melting point 17.3°C (estimate)
Boiling point 195 °C(lit.)
Density 0.949 g/mL at 25 °C(lit.)
refractive index n20/D 1.43(lit.)
FEMA 3511 | 2-METHYL-4-PENTENOIC ACID
FLAVIS Number 08.059 | 2-Methylpent-4-enoic acid
Flash point 210 °F
storage temp. Inert atmosphere,Room Temperature
solubility Chloroform (Slightly), Methanol (Slightly)
form clear liquid
pka 4.67±0.10(Predicted)
color Colorless to Red to Green
Odor at 10.00 % in propylene glycol. fruity cheese
Odor Type cheesy
Water Solubility Slightly soluble in water
JECFA Number 355
BRN 1720987
InChIKey HVRZYSHVZOELOH-UHFFFAOYSA-N
LogP 1.34
CAS DataBase Reference 1575-74-2(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS) 2-METHYL-4-PENTENOIC ACID
FDA UNII 29HK385L3G
EPA Substance Registry System 4-Pentenoic acid, 2-methyl- (1575-74-2)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)Corrosion (GHS05)
GHS07,GHS05
Signal word  Danger
Hazard statements  H290-H302-H314-H318
Precautionary statements  P234-P260-P264-P301+P330+P331+P310-P303+P361+P353+P310+P363-P304+P340+P310-P305+P351+P338+P310-P390-P405-P406-P501-P280-P305+P351+P338-P310-P260h-P301+P330+P331-P303+P361+P353-P501a
Hazard Codes  C
Risk Statements  22-34
Safety Statements  26-36/37/39-45
RIDADR  UN 3265 8/PG 2
WGK Germany  3
TSCA  TSCA listed
HazardClass  8
PackingGroup  III
HS Code  29161995
Limited Quantities 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
0
3 0

2-Methyl-4-pentenoic acid price More Price(26)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich W351105 2-Methyl-4-pentenoic Acid ≥98%, FG 1575-74-2 sample-k $53.8 2022-05-15 Buy
TCI Chemical M1143 2-Methyl-4-pentenoic Acid >98.0%(GC)(T) 1575-74-2 10mL $32 2026-04-30 Buy
TRC TRC-M220778-50MG 2-Methyl-4-pentenoic Acid 1575-74-2 50mg $74 2026-06-03 Buy
TRC TRC-M220778-500MG 2-Methyl-4-pentenoic Acid 1575-74-2 500mg $122 2026-06-03 Buy
TRC TRC-M220778-100MG 2-Methyl-4-pentenoic Acid 1575-74-2 100mg $97 2026-06-03 Buy
Product number Packaging Price Buy
W351105 sample-k $53.8 Buy
M1143 10mL $32 Buy
TRC-M220778-50MG 50mg $74 Buy
TRC-M220778-500MG 500mg $122 Buy
TRC-M220778-100MG 100mg $97 Buy

2-Methyl-4-pentenoic acid Chemical Properties, Uses, Production

Chemical Properties

clear colorless to light yellow liquid

Chemical Properties

2-Methyl-4-pentenoic acid has a cheese-like odor.

Uses

2-Methyl-4-pentenoic acid is used as raw material for fruit flavor or it is an enhancer of fruity fragrances.

Definition

ChEBI: 2-Methyl-4-pentenoic acid is a branched-chain fatty acid.

Synthesis Reference(s)

Chemistry Letters, 9, p. 571, 1980
Tetrahedron Letters, 21, p. 2181, 1980 DOI: 10.1016/S0040-4039(00)78992-1

2-Methyl-4-pentenoic acid Preparation Products And Raw materials

Raw materials

Dimethyl sulfate Allyl chloride Diethyl malonate

Preparation Products

2-Methyl-pent-4-enal Ethyl 2-methyl-4-pentenoate

2-Methyl-4-pentenoic acid Suppliers

Global Suppliers ( 200)
Supplier Tel Email Country ProdList Advantage
Hefei Xiang'an Biotechnology Co., Ltd 13818478267 452998455@qq.com China 37 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 45000 61
Adamas Reagent, Ltd. 4006009262 13023226327 hmj@titansci.com China 14098 59
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Sichuan Kulinan Technology Co., Ltd 400-1166-196 18981987031 cdhxsj@163.com China 11674 57
Sinopharm Chemical Reagent Co,Ltd. 86-21-63210123 sj_scrc@sinopharm.com China 9791 79
Supplier Advantage
Hefei Xiang'an Biotechnology Co., Ltd 58
J & K SCIENTIFIC LTD. 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 62
Alfa Aesar 84
TCI (Shanghai) Development Co., Ltd. 81
Energy Chemical 61
Adamas Reagent, Ltd. 59
Shanghai Hanhong Scientific Co.,Ltd. 64
Sichuan Kulinan Technology Co., Ltd 57
Sinopharm Chemical Reagent Co,Ltd. 79

View Latest Price from 2-Methyl-4-pentenoic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2-METHYL-4-PENTENOIC ACID pictures 2026-09-02 2-METHYL-4-PENTENOIC ACID
1575-74-2
 $1.20-36.00 1kg 99% Henan Fengda Chemical Co., Ltd
2-Methyl-4-pentenoic Acid pictures 2026-08-16 2-Methyl-4-pentenoic Acid
1575-74-2
 $29.00 98.00% 10g TargetMol Chemicals Inc.
2-METHYL-4-PENTENOIC ACID pictures 2026-06-30 2-METHYL-4-PENTENOIC ACID
1575-74-2
 1kg 99% 10000KGS Shaanxi Dideu New Materials Co. Ltd

2-Methyl-4-pentenoic acid Spectrum

2-METHYL-4-PENTENOIC ACID(1575-74-2)MS2-METHYL-4-PENTENOIC ACID(1575-74-2)1HNMR2-METHYL-4-PENTENOIC ACID(1575-74-2)13CNMR2-METHYL-4-PENTENOIC ACID(1575-74-2)IR1

1575-74-2 (2-Methyl-4-pentenoic acid) Related Search:

ethyl 3-(2,2-dichlorovinyl)-2,2-dimethyl-1-cyclopropanecarboxylate Dimethyl allylmalonate METHYL TRANS-PENTENOIC ACID Ethyl chrysanthemumate Ethyl 2-methyl-4-pentenoate
cis-1,2,3,6-Tetrahydrophthalic anhydride 2,2-Dimethyl-4-pentenoic acid DIALLYL GLUTARATE Ursolic acid Diethyl allylmalonate
NONENYLSUCCINIC ANHYDRIDE Tetrahydromethyl-1,3-isobenzofurandione 5-Norbornene-2,3-dicarboxylic acid 2-Methyl-2-pentenoic acid Naphthenic acid
2-Dodecen-1-ylsuccinic anhydride Diethyl diallylmalonate Allylmalonic acid

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FEMA NUMBER 3511 2-methyl-4-pentenoicaci 2-methylpent-4-en-1-oic acid 2-METHYL-4-PENTENOIC ACID 98+% 4-Pentenoic acid, 2-methyl- 2-Methyl-4-pentenoic 2-Methyl-4-pentenoic acid, 98% 5GR 2-Methylpent-4-enoic acid 98% Methyl-4-pentenoic 2-Methyl-4-pentenoicAcid> UNII:29HK385L3G 2-Methyl-4-pentenoic Acid, 10 mM in DMSO 2-METHYLPENT-4-ENOIC ACID FEMA 3511 2-Methyl-4-pentenoic acid 1575-74-2 H2CCHCH2CHCH3CO2H Alphabetical Listings Flavors and Fragrances M-N Pharmaceutical Raw Materials