Isobutyl propionate
Also known as: 2-Methylpropyl propanoate, 2-Methylpropyl propionate, Isobutyl propanoate, Propanoic acid, 2-methylpropyl ester, Propionic acid isobutyl ester, iso-Butyl n-propionate, i-Butylpropionat, FEMA 2212, 2-Methyl-1-propyl propanoate, Propionic acid (2-methylpropyl) ester
Isobutyl propionate (CAS 540-42-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H14O2 and a molecular weight of 130.185 g/mol. Key properties include a melting point of −71 °C(lit.), a boiling point of 135.1±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 26.1±0.0 °C. 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.
- 540-42-1
- Jingsj CID
- J-20312-3
- Molecular Formula
- C7H14O2
- Molecular Weight
- 130.185 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −71 °C(lit.) |
|---|---|
| Boiling Point | 135.1±8.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 26.1±0.0 °C |
| Exact Mass | 130.099380 |
| PSA | 26.30000 |
| LogP | 2.12 |
| Vapor Pressure | 7.9±0.2 mmHg at 25°C |
| Refractive Index | 1.404 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
Customs & Trade Information
| HS Code | 2915509000 |
|---|---|
| Summary | 2915509000 propionic acid, its salts and esters。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:5.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Isobutyl propionate?
The CAS number of Isobutyl propionate is 540-42-1.
What are the molecular formula and molecular weight of Isobutyl propionate?
Isobutyl propionate has molecular formula C7H14O2 and molecular weight 130.185 g/mol.
Is Isobutyl propionate hazardous?
Isobutyl propionate has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour.
What are the upstream and downstream products of Isobutyl propionate?
For Isobutyl propionate, Upstream Products: 2-Methyl-1-propanol, Isobutyl acrylate, Propionic anhydride; Downstream Products: 1-Propanol, 2-Methyl-3-pentanone, 2-Methyl-1-propanol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isobutyl propionate (CAS 540-42-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20312-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.