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:2024-04-29 14:28:21

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 3195 | 2-METHYL-2-PENTENOIC ACID
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) 2-METHYL-2-PENTENOIC ACID
FDA UNII 44I99E898B
NIST Chemistry Reference 2-Pentenoic acid, 2-methyl-(3142-72-1)
EPA Substance Registry System 2-Pentenoic acid, 2-methyl- (3142-72-1)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
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 2023-01-07 Buy
TCI Chemical M0784 2-Methyl-2-pentenoic Acid >98.0%(GC)(T) 3142-72-1 5g $17 2024-03-01 Buy
TCI Chemical M0784 2-Methyl-2-pentenoic Acid >98.0%(GC)(T) 3142-72-1 25g $48 2024-03-01 Buy
Alfa Aesar A16587 2-Methyl-2-pentenoic acid, 99% 3142-72-1 10g $29.65 2024-03-01 Buy
Alfa Aesar A16587 2-Methyl-2-pentenoic acid, 99% 3142-72-1 50g $127 2024-03-01 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( 320)Suppliers
Supplier Tel Email Country ProdList Advantage
Hebei Mojin Biotechnology Co., Ltd
+8613288715578 sales@hbmojin.com China 12459 58
Henan Fengda Chemical Co., Ltd
+86-371-86557731 +86-13613820652 info@fdachem.com China 16801 58
Ouhuang Engineering Materials (Hubei) Co., Ltd
+8617702722807 admin@hbouhuang.com China 2999 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 8822 58
Shanghai Longyu Biotechnology Co., Ltd.
+8615821988213 info@longyupharma.com China 2531 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 3116 58

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

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2-Methyl-2-pentenoic acid pictures 2024-04-29 2-Methyl-2-pentenoic acid
3142-72-1
US $20.00 / kg 1kg 99.9% 200000kg Ouhuang Engineering Materials (Hubei) Co., Ltd
2-Methyl-2-pentenoic acid pictures 2024-04-22 2-Methyl-2-pentenoic acid
3142-72-1
US $32.00-1.10 / kg 1kg 99% g-kg-tons, free sample is available Henan Fengda Chemical Co., Ltd
2-Methyl-2-pentenoic acid pictures 2023-09-06 2-Methyl-2-pentenoic acid
3142-72-1
US $0.00-0.00 / KG 1KG 99% 500000kg Hebei Guanlang Biotechnology 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