1-Heptanethiol
Also known as: Heptanethiol, n-Heptanethiol, 1-Heptyl mercaptan, Heptyl mercaptan, Mercaptan C7, n-Heptyl mercaptan, n-Heptylthiol, Heptane-1-thiol, Normal-heptyl mercaptan
1-Heptanethiol (CAS 1639-09-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C7H16S and a molecular weight of 132.267 g/mol. Key properties include a melting point of -43°C, a boiling point of 176.5±3.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 46.1±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.
- 1639-09-4
- Jingsj CID
- J-9181-9
- Molecular Formula
- C7H16S
- Molecular Weight
- 132.267 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -43°C |
|---|---|
| Boiling Point | 176.5±3.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 46.1±0.0 °C |
| Exact Mass | 132.097275 |
| PSA | 38.80000 |
| LogP | 3.90 |
| Vapor Pressure | 1.5±0.3 mmHg at 25°C |
| Refractive Index | 1.449 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
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-Heptanethiol?
The CAS number of 1-Heptanethiol is 1639-09-4.
What are the molecular formula and molecular weight of 1-Heptanethiol?
1-Heptanethiol has molecular formula C7H16S and molecular weight 132.267 g/mol.
Is 1-Heptanethiol hazardous?
1-Heptanethiol has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour.
What are the upstream and downstream products of 1-Heptanethiol?
For 1-Heptanethiol, Upstream Products: 1-Bromoheptane, n-Butyllithium, Heptanal; Downstream Products: 1-Iodoheptane, Dimethyl sulfide, Heptyl methyl 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-Heptanethiol (CAS 1639-09-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9181-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.