Methyl acetate
Also known as: Acetic acid methyl ester, Methyl ethanoate, Devoton, Tereton, Metile, Methylacetat, Methylethanoate, Acetate de methyle, Methylacetic ester
Methyl acetate (CAS 79-20-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H6O2 and a molecular weight of 74.078 g/mol. Key properties include a melting point of -98 °C, a boiling point of 44.0±3.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of -9.4±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H319 — Causes serious eye irritation and H336 — May cause drowsiness or dizziness. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 79-20-9
- Jingsj CID
- J-1325575-9
- Molecular Formula
- C3H6O2
- Molecular Weight
- 74.078 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -98 °C |
|---|---|
| Boiling Point | 44.0±3.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | -9.4±0.0 °C |
| Exact Mass | 74.036781 |
| PSA | 26.30000 |
| LogP | 0.18 |
| Additional Property | 2.55 (vs air) |
| Vapor Pressure | 368.4±0.1 mmHg at 25°C |
| Refractive Index | 1.354 |
| Additional Property | 250 g/L (20 ºC) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H319 — Causes serious eye irritation
- H336 — May cause drowsiness or dizziness
Frequently Asked Questions
What is the CAS number of Methyl acetate?
The CAS number of Methyl acetate is 79-20-9.
What are the molecular formula and molecular weight of Methyl acetate?
Methyl acetate has molecular formula C3H6O2 and molecular weight 74.078 g/mol.
Is Methyl acetate hazardous?
Methyl acetate has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H319 — Causes serious eye irritation; H336 — May cause drowsiness or dizziness.
What are the upstream and downstream products of Methyl acetate?
For Methyl acetate, Upstream Products: Methanol, iodomethane, 4-Nitrophenyl acetate; Downstream Products: 2-Methyl-2-imidazoline, 1-Ethyl-2-methyl-1H-imidazole, 1,2-Dimethylimidazole.
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 acetate (CAS 79-20-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1325575-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.