1,5-Pentanedithiol
Also known as: 1,5-Dimercaptopentane, Pentane-1,5-dithiol, Pentamethylenedithiol, 1,5-Pentanedithiol
1,5-Pentanedithiol (CAS 928-98-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H12S2 and a molecular weight of 136.279 g/mol. Key properties include a melting point of −72 °C(lit.), a boiling point of 229.1±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 95.0±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 928-98-3
- Jingsj CID
- J-1361731-7
- Molecular Formula
- C5H12S2
- Molecular Weight
- 136.279 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −72 °C(lit.) |
|---|---|
| Boiling Point | 229.1±0.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 95.0±0.0 °C |
| Exact Mass | 136.038040 |
| PSA | 77.60000 |
| LogP | 2.27 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.501 |
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 1,5-Pentanedithiol?
The CAS number of 1,5-Pentanedithiol is 928-98-3.
What are the molecular formula and molecular weight of 1,5-Pentanedithiol?
1,5-Pentanedithiol has molecular formula C5H12S2 and molecular weight 136.279 g/mol.
What are the upstream and downstream products of 1,5-Pentanedithiol?
For 1,5-Pentanedithiol, Upstream Products: 1,5-Dibromopentane, 1,5-Dichloropentane, 1,5-Diiodopentane; Downstream Products: Thiane, 1,5-Bis(methylthio)pentane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,5-Pentanedithiol (CAS 928-98-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1361731-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.