S-Methyl thioacetate
Also known as: Methyl thioacetate, Ethanethioic acid, S-methyl ester, S-Methyl ethanethioate, Thioacetic acid S-methyl ester, Methanethiol acetate
S-Methyl thioacetate (CAS 1534-08-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H6OS and a molecular weight of 90.144 g/mol. Key properties include a boiling point of 89.7±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 6.4±12.3 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H311 — Toxic in contact with skin and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1534-08-3
- Jingsj CID
- J-49288-6
- Molecular Formula
- C3H6OS
- Molecular Weight
- 90.144 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 89.7±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 6.4±12.3 °C |
| Exact Mass | 90.013931 |
| PSA | 42.37000 |
| LogP | 0.73 |
| Vapor Pressure | 57.9±0.2 mmHg at 25°C |
| Refractive Index | 1.450 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H311 — Toxic in contact with skin
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of S-Methyl thioacetate?
The CAS number of S-Methyl thioacetate is 1534-08-3.
What are the molecular formula and molecular weight of S-Methyl thioacetate?
S-Methyl thioacetate has molecular formula C3H6OS and molecular weight 90.144 g/mol.
Is S-Methyl thioacetate hazardous?
S-Methyl thioacetate has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H311 — Toxic in contact with skin; H319 — Causes serious eye irritation.
What are the upstream and downstream products of S-Methyl thioacetate?
For S-Methyl thioacetate, Upstream Products: ketene, Methanethiol, iodomethane; Downstream Products: ketene, Methanethiol, Acetyl chloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "S-Methyl thioacetate (CAS 1534-08-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49288-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.