1-Pentanethiol
Also known as: Amyl Mercaptan, Pentyl Mercaptan, n-Amyl mercaptan, 1-Mercaptopentane, Pentane-1-thiol, N-AMYL MERCAPTAN, N-PENTYL MERCAPTAN, Amyl thioalcohol, MFCD00004907
1-Pentanethiol (CAS 110-66-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H12S and a molecular weight of 104.214 g/mol. Key properties include a melting point of -76°C, a boiling point of 126.3±3.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 18.3±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 110-66-7
- Jingsj CID
- J-8989-4
- Molecular Formula
- C5H12S
- Molecular Weight
- 104.214 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -76°C |
|---|---|
| Boiling Point | 126.3±3.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 18.3±0.0 °C |
| Exact Mass | 104.065971 |
| PSA | 38.80000 |
| LogP | 2.84 |
| Vapor Pressure | 14.2±0.2 mmHg at 25°C |
| Refractive Index | 1.442 |
| Additional Property | practically insoluble |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- 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 1-Pentanethiol?
The CAS number of 1-Pentanethiol is 110-66-7.
What are the molecular formula and molecular weight of 1-Pentanethiol?
1-Pentanethiol has molecular formula C5H12S and molecular weight 104.214 g/mol.
Is 1-Pentanethiol hazardous?
1-Pentanethiol has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H332 — Harmful if inhaled.
What are the upstream and downstream products of 1-Pentanethiol?
For 1-Pentanethiol, Upstream Products: 1-Chloropentane, Pent-1-ene, 1-Bromopentane; Downstream Products: Ethanol, 2-(pentylthio)-, Diphenyl sulfide, 1-Benzothiophene.
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-Pentanethiol (CAS 110-66-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8989-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.