1,8-Octanedithiol
1,8-辛二硫醇
Also known as: 1,8-Dimercaptooctane, Octane-1,8-dithiol, Octamethylene dimercaptan, 1,8-Octamethylenedithiol, FEMA 3514, NANOTHINKS THIO8
1,8-Octanedithiol (CAS 1191-62-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C8H18S2 and a molecular weight of 178.359 g/mol. It is also known as 1,8-Dimercaptooctane, Octane-1,8-dithiol and Octamethylene dimercaptan. Key properties include a melting point of 0.9ºC, a boiling point of 269.5±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 101.1±17.4 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1191-62-4
- Jingsj CID
- J-20132-8
- Molecular Formula
- C8H18S2
- Chinese Name
- 1,8-辛二硫醇
- Molecular Weight
- 178.359 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 0.9ºC |
|---|---|
| Boiling Point | 269.5±0.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 101.1±17.4 °C |
| Exact Mass | 178.084991 |
| PSA | 77.60000 |
| LogP | 3.87 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.494 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
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 1,8-Octanedithiol?
The CAS number of 1,8-Octanedithiol is 1191-62-4.
What are the molecular formula and molecular weight of 1,8-Octanedithiol?
1,8-Octanedithiol has molecular formula C8H18S2 and molecular weight 178.359 g/mol.
Is 1,8-Octanedithiol hazardous?
1,8-Octanedithiol has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 1,8-Octanedithiol?
For 1,8-Octanedithiol, Upstream Products: 1,8-Octanediol, 1,6-Dibromohexane, 1,8-Dibromooctane; Downstream Products: 1,8-Octanedithiol diacetate.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,8-Octanedithiol (CAS 1191-62-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20132-8 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.