Identification | More | [Name]
2-Methyl-2-pentenoic acid | [CAS]
3142-72-1 | [Synonyms]
2-METHYL-2-PENTENOIC ACID FEMA 3195 FEMA NUMBER 3195 RARECHEM AL BE 0127 STRAWBERRIFF TRANS-2-METHYL-2-PENTENOIC ACID 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-Pentenoic acid, 2-methyl- trans-2-Methyl-2-pentenoic acid 2-Methyl-2-pentenoic acid/Strawberriff acid | [EINECS(EC#)]
241-026-4 | [Molecular Formula]
C6H10O2 | [MDL Number]
MFCD00002655 | [Molecular Weight]
114.14 | [MOL File]
3142-72-1.mol |
Safety Data | Back Directory | [Hazard Codes ]
C | [Risk Statements ]
R34:Causes burns. R22:Harmful if swallowed. | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S36/37/39:Wear suitable protective clothing, gloves and eye/face protection . S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) . | [RIDADR ]
UN 3261 8/PG 3
| [WGK Germany ]
2
| [TSCA ]
Yes | [HazardClass ]
8 | [PackingGroup ]
III | [HS Code ]
29161900 |
Hazard Information | Back Directory | [Description]
May be prepared by distillation of 2-hydroxy-2-methylvaleric acid
(m-form). | [Chemical Properties]
2-Methyl-2-pentenoic acid has a fruity odor. | [Chemical Properties]
white semi-transparent crystalline | [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. | [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. |
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