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ChemicalBook >> CAS DataBase List >>2-Methyl-2-pentenoic acid

2-Methyl-2-pentenoic acid

CAS No.
3142-72-1
Chemical Name:
2-Methyl-2-pentenoic acid
Synonyms
trans-2-Methyl-2-pentenoic acid;2-Pentenoic acid, 2-methyl-;STRAWBERRIFF;FEMA 3195;2-hexenoate;Strawberriff Acid;FEMA NUMBER 3195;RARECHEM AL BE 0127;2-methyl-2-pentenoicaci;Methylpentenoicacidpract
CBNumber:
CB3403220
Molecular Formula:
C6H10O2
Molecular Weight:
114.14
MDL Number:
MFCD08277250
MOL File:
3142-72-1.mol
Last updated:2024-06-29 17:13:30

2-Methyl-2-pentenoic acid Properties

Melting point 26-28 °C(lit.)
Boiling point 123-125 °C30 mm Hg(lit.)
Density 0.979 g/mL at 25 °C
vapor density >1 (vs air)
FEMA
refractive index n20/D 1.46(lit.)
Flash point 226 °F
storage temp. Sealed in dry,Room Temperature
pka 5.00±0.19(Predicted)
form powder to lump
color White to Almost white
Odor at 10.00 % in dipropylene glycol. dry acid sweaty strawberry woody fruity jam
Odor Type acidic
FreezingPoint 20.0 to 25.0 ℃
JECFA Number 1210
InChIKey JJYWRQLLQAKNAD-SNAWJCMRSA-N
LogP 1.89
CAS DataBase Reference 3142-72-1(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS)
FDA UNII
NIST Chemistry Reference
EPA Substance Registry System

SAFETY

Risk and Safety Statements

Symbol(GHS)  sòng bạc tiền thậtLiên kết đăng nhập
GHS05
Signal word  Danger
Hazard statements  H314
Precautionary statements  P260-P280-P301+P330+P331-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  C
Risk Statements  34-22-41
Safety Statements  26-36/37/39-45
RIDADR  UN 3261 8/PG 3
WGK Germany  2
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29161900
NFPA 704
0
3 0

2-Methyl-2-pentenoic acid price More Price(18)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich W319519 2-Methyl-2-pentenoic acid natural (US), 97.0%, FG 3142-72-1 sample-k $59.6 2024-01-07 Buy
TCI Chemical M0784 2-Methyl-2-pentenoic Acid >98.0%(GC)(T) 3142-72-1 5g $17 2025-03-01 Buy
TCI Chemical M0784 2-Methyl-2-pentenoic Acid >98.0%(GC)(T) 3142-72-1 25g $48 2025-03-01 Buy
Alfa Aesar A16587 2-Methyl-2-pentenoic acid, 99% 3142-72-1 10g $29.65 2025-03-01 Buy
Alfa Aesar A16587 2-Methyl-2-pentenoic acid, 99% 3142-72-1 50g $127 2025-03-01 Buy
Product number Packaging Price Buy
W319519 sample-k $59.6 Buy
M0784 5g $17 Buy
M0784 25g $48 Buy
A16587 10g $29.65 Buy
A16587 50g $127 Buy

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

Description

May be prepared by distillation of 2-hydroxy-2-methylvaleric acid (m-form).

Chemical Properties

With a dry acid note, 2-Methyl-2-pentenoic Acid is found in the odor of strawberries.The acid can be prepared from the corresponding saturated one by α-bromination followed by dehydrobromination.
It is used in fragrances to enhance fruity notes and in strawberry flavors.

Chemical Properties

white semi-transparent crystalline

Chemical Properties

2-Methyl-2-pentenoic acid has a fruity odor.

Occurrence

Reported found in strawberry

Uses

2-Methyl-2-pentenoic Acid (CAS# 3142-72-1) can be used for cleansing and refreshing hair and scalp. It can also be used to store and cure food products, and for providing a long-lasting strawberry odor.

Definition

ChEBI: 2-Methyl-2-pentenoic acid is a methyl-branched fatty acid. It is a conjugate acid of a 2-methyl-(2E)-pentenoate(1-).

Preparation

By distillation of 2-hydroxy-2-methylvaleric acid (cis-form).

Taste threshold values

Taste characteristics at 50 ppm: sour, acidic, sweaty, berry and fruit-like.
58625-96-0
3142-72-1
Synthesis of 2-Methyl-2-pentenoic acid from METHYL 2-PENTENOATE

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

Raw materials

Preparation Products

Global( 313)Suppliers
Supplier Tel Email Country ProdList Advantage
Hebei Mojin Biotechnology Co., Ltd 		+8613288715578 sales@hbmojin.com China 12455 58
career henan chemical co 		+86-0371-86658258 sales@coreychem.com China 29914 58
Nanjing Dolon Biotechnology Co.,Ltd. 		18905173768 sales@dolonchem.com CHINA 2972 58
Hubei Jusheng Technology Co.,Ltd. 		18871490254 linda@hubeijusheng.com CHINA 28180 58
Hebei Guanlang Biotechnology Co., Ltd. 		+86-19930503282 alice@crovellbio.com China 8823 58
Shanghai Longyu Biotechnology Co., Ltd. 		+8615821988213 info@longyupharma.com China 2530 58
Chongqing Chemdad Co., Ltd 		+86-023-61398051 +8613650506873 sales@chemdad.com China 39916 58
Shaanxi Dideu Medichem Co. Ltd 		18192627656 1012@dideu.com China 3911 58
Neostar United (Changzhou) Industrial Co., Ltd. 		+86-519-519-85557386 marketing1@neostarunited.com China 8349 58
Zhengzhou Alfa Chemical Co.,Ltd 		+8618530059196 sale04@alfachem.cn China 12306 58

View Lastest Price from 2-Methyl-2-pentenoic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
sòng bạc tiền thậtLiên kết đăng nhập 2024-09-06 2-Methyl-2-pentenoic acid
3142-72-1
 US $0.00-0.00 / KG 1KG 99% 500000kg Hebei Guanlang Biotechnology Co., Ltd.
sòng bạc tiền thậtLiên kết đăng nhập 2024-06-30 2-Methyl-2-pentenoic acid
3142-72-1
 US $0.00 / KG 1KG 99% 50000KG/month Hebei Mojin Biotechnology Co., Ltd
sòng bạc tiền thậtLiên kết đăng nhập 2024-06-27 2-Methyl-2-pentenoic acid
3142-72-1
 US $0.00-0.00 / kg 1kg 99% 500000kg Hebei Yibangte Import and Export Co. , Ltd.
FEMA NUMBER 3195 2-Methyl-2-pentenoic acid,99% 2-METHYL-2-PENTENOIC ACID RARECHEM AL BE 0127 2-methyl-2-pentenoicaci 2-methyl-pent-2-enoicacid 2-Pentene-2-carboxylicacid 3-Ethyl-2-methylacrylicacid Methylpentenoicacidpract 2-methylpent-2-en-1-oic acid 2-Methyl-2-pentenoic acid, pract., 85% 2-Methyl-2-pentenoic acid/Strawberriff acid Natural 2-methyl-2-pentenoic acid 2-Methyl-2-pentenoicAcid> 2-Methyl-2-pentenoic acid USP/EP/BP 2-Methyl-2-pentenoic acid(Kosher) Methyl 2-methyl-2-pentenoic acid 2-Methyl 2E-Pentenoic Acid FEMA 3195 Strawberriff Acid STRAWBERRIFF 2-Pentenoic acid, 2-methyl- trans-2-Methyl-2-pentenoic acid 2-hexenoate 3142-72-1 Organic Building Blocks Building Blocks C6 Carbonyl Compounds Carboxylic Acids Acids and Esters
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