Isopentyl isobutyrate
异丁酸异戊酯
Also known as: 3-Methylbutyl 2-methylpropanoate, 3-Methylbutyl isobutyrate, Isoamyl isobutyrate, Isopentyl-2-methyl propanoate, 2-methylpropanoic acid 3-methylbutyl ester, Isobutyric acid isoamyl ester
Isopentyl isobutyrate (CAS 2050-01-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H18O2 and a molecular weight of 158.23800 g/mol. It is also known as 3-Methylbutyl 2-methylpropanoate, 3-Methylbutyl isobutyrate and Isoamyl isobutyrate. Key properties include a melting point of -70ºC, a boiling point of 169-171 °C(lit.), a density of 0.856 g/mL at 25 °C(lit.) and a flash point of 129 °F. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2050-01-3
- Jingsj CID
- J-20306-1
- Molecular Formula
- C9H18O2
- Chinese Name
- 异丁酸异戊酯
- Molecular Weight
- 158.23800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -70ºC |
|---|---|
| Boiling Point | 169-171 °C(lit.) |
| Density | 0.856 g/mL at 25 °C(lit.) |
| Flash Point | 129 °F |
| Exact Mass | 158.13100 |
| PSA | 26.30000 |
| LogP | 2.23170 |
| Vapor Pressure | 1.89mmHg at 25°C |
| Refractive Index | n20/D 1.406(lit.) |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents, strong reducing agents. |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Isopentyl isobutyrate?
The CAS number of Isopentyl isobutyrate is 2050-01-3.
What are the molecular formula and molecular weight of Isopentyl isobutyrate?
Isopentyl isobutyrate has molecular formula C9H18O2 and molecular weight 158.23800 g/mol.
Is Isopentyl isobutyrate hazardous?
Isopentyl isobutyrate has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour.
What are the upstream and downstream products of Isopentyl isobutyrate?
For Isopentyl isobutyrate, Upstream Products: 3-Methyl-1-butanol, 2-Methyl-1-propanol, Isoamyl formate.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isopentyl isobutyrate (CAS 2050-01-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20306-1 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.