2-Methyl-2-pentenoic acid
Also known as: (E)-2-methylpent-2-enoic acid, 2-Pentenoic acid, 2-methyl-, STRAWBERRIFF, Strawberriff Acid, FEMA 3195, trans-2-Methyl-2-pentenoic acid, 2-Methyl-2-pentenoic acid, 99%, 2-Pentene-2-carboxylic acid, 2-methylpent-2-enoic acid, RARECHEM AL BE 0127, Natural 2-methyl-2-pentenoic acid
2-Methyl-2-pentenoic acid (CAS 3142-72-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H10O2 and a molecular weight of 114.142 g/mol. Key properties include a melting point of 26-28 °C(lit.), a boiling point of 215.9±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 107.8±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3142-72-1
- Jingsj CID
- J-30809-8
- Molecular Formula
- C6H10O2
- Molecular Weight
- 114.142 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 26-28 °C(lit.) |
|---|---|
| Boiling Point | 215.9±0.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 107.8±0.0 °C |
| Exact Mass | 114.068077 |
| PSA | 37.30000 |
| LogP | 1.89 |
| Additional Property | >1 (vs air) |
| Vapor Pressure | 0.1±0.8 mmHg at 25°C |
| Refractive Index | 1.454 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| 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% |
Frequently Asked Questions
What is the CAS number of 2-Methyl-2-pentenoic acid?
The CAS number of 2-Methyl-2-pentenoic acid is 3142-72-1.
What are the molecular formula and molecular weight of 2-Methyl-2-pentenoic acid?
2-Methyl-2-pentenoic acid has molecular formula C6H10O2 and molecular weight 114.142 g/mol.
Is 2-Methyl-2-pentenoic acid hazardous?
2-Methyl-2-pentenoic acid has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 2-Methyl-2-pentenoic acid?
For 2-Methyl-2-pentenoic acid, Upstream Products: Ethyl 2-methyl-2-pentenoate, trans-2-Methyl-2-pentenal, 2-Methyl-2-pentenal; Downstream Products: 2-Methylpentanoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Methyl-2-pentenoic acid (CAS 3142-72-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30809-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.