2-Methyl-4-pentenoic acid
Also known as: 2-Methylpent-4-enoic acid, 2-Methyl-4-pentenoic Acid, 2-methylpent-4-en-1-oic acid, 4-Pentenoic acid, 2-methyl-, FEMA 3511, UNII:29HK385L3G
2-Methyl-4-pentenoic acid (CAS 1575-74-2) 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 boiling point of 190.6±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 88.1±13.9 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and 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.
- 1575-74-2
- Jingsj CID
- J-16139-7
- 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
| Boiling Point | 190.6±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 88.1±13.9 °C |
| Exact Mass | 114.068077 |
| PSA | 37.30000 |
| LogP | 1.34 |
| Vapor Pressure | 0.2±0.8 mmHg at 25°C |
| Refractive Index | 1.441 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- 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-4-pentenoic acid?
The CAS number of 2-Methyl-4-pentenoic acid is 1575-74-2.
What are the molecular formula and molecular weight of 2-Methyl-4-pentenoic acid?
2-Methyl-4-pentenoic acid has molecular formula C6H10O2 and molecular weight 114.142 g/mol.
Is 2-Methyl-4-pentenoic acid hazardous?
2-Methyl-4-pentenoic acid has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 2-Methyl-4-pentenoic acid?
For 2-Methyl-4-pentenoic acid, Upstream Products: Allyl bromide, Triethyl orthopropionate, Ethyl 2-methyl-4-pentenoate; Downstream Products: Ethyl 2-methyl-4-pentenoate, Methyl 2-methylvalerate, 2-Methyl-4-pentenal.
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-4-pentenoic acid (CAS 1575-74-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16139-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.