Methyl butyrate
Also known as: Methyl n-butyrate, Butanoic acid, methyl ester, Methyl n-butanoate, Butyric acid methyl ester, Methyl butanoate, n-Butyric Acid Methyl Ester
Methyl butyrate (CAS 623-42-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H10O2 and a molecular weight of 102.132 g/mol. Key properties include a melting point of -85--84°C, a boiling point of 104.2±3.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 11.7±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 623-42-7
- Jingsj CID
- J-12393-3
- Molecular Formula
- C5H10O2
- Molecular Weight
- 102.132 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -85--84°C |
|---|---|
| Boiling Point | 104.2±3.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 11.7±0.0 °C |
| Exact Mass | 102.068077 |
| PSA | 26.30000 |
| LogP | 1.24 |
| Additional Property | 3.5 (vs air) |
| Vapor Pressure | 31.1±0.2 mmHg at 25°C |
| Refractive Index | 1.387 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
Customs & Trade Information
| HS Code | 2915600000 |
|---|---|
| Summary | 2915600000 butanoic acids and pentanoic acids and their salts and esters VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Methyl butyrate?
The CAS number of Methyl butyrate is 623-42-7.
What are the molecular formula and molecular weight of Methyl butyrate?
Methyl butyrate has molecular formula C5H10O2 and molecular weight 102.132 g/mol.
Is Methyl butyrate hazardous?
Methyl butyrate has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour.
What are the upstream and downstream products of Methyl butyrate?
For Methyl butyrate, Downstream Products: Methyl 2-chlorobutanoate, Chloromethyl butyrate, Methyl 4-chlorobutyrate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl butyrate (CAS 623-42-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12393-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.