1-Octanethiol
Also known as: 1-Mercaptooctane, n-Octanethiol, n-Octyl mercaptan, Octyl mercaptan, Mercaptan C8, octane-1-thiol, octanethiol, octylthiol, n-Octylthiol, Octanethiol-(1)
1-Octanethiol (CAS 111-88-6) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C8H18S and a molecular weight of 146.294 g/mol. Key properties include a melting point of -49 °C, a boiling point of 199.0±3.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 68.9±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 111-88-6
- Jingsj CID
- J-25478-6
- Molecular Formula
- C8H18S
- Molecular Weight
- 146.294 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -49 °C |
|---|---|
| Boiling Point | 199.0±3.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 68.9±0.0 °C |
| Exact Mass | 146.112915 |
| PSA | 38.80000 |
| LogP | 4.44 |
| Vapor Pressure | 0.5±0.4 mmHg at 25°C |
| Refractive Index | 1.451 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 1-Octanethiol?
The CAS number of 1-Octanethiol is 111-88-6.
What are the molecular formula and molecular weight of 1-Octanethiol?
1-Octanethiol has molecular formula C8H18S and molecular weight 146.294 g/mol.
Is 1-Octanethiol hazardous?
1-Octanethiol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 1-Octanethiol?
For 1-Octanethiol, Upstream Products: 1-Bromooctane, Dioctyl disulfide, bis(tri-n-butyltin) sulfide; Downstream Products: (S)-2-ethoxy-3-(4-hydroxyphenyl)propanoic acid, Methyl n-octyl sulfide, 2-CHLOROETHYL OCTYL SULFIDE.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Octanethiol (CAS 111-88-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25478-6 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.