1-Undecanethiol
1-十一硫醇
Also known as: undecane-1-thiol, Undecyl mercaptan, N-UNDECYL MERCAPTAN, 1-Mercaptoundecane, UNDECANETHIOL, 1-UDT
1-Undecanethiol (CAS 5332-52-5) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C11H24S and a molecular weight of 188.37300 g/mol. It is also known as undecane-1-thiol, Undecyl mercaptan and N-UNDECYL MERCAPTAN. Key properties include a melting point of -3ºC, a boiling point of 103-104 °C3 mm Hg(lit.), a density of 0.841 g/mL at 25 °C(lit.) and a flash point of 220 °F. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5332-52-5
- Jingsj CID
- J-9172-9
- Molecular Formula
- C11H24S
- Chinese Name
- 1-十一硫醇
- Molecular Weight
- 188.37300 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -3ºC |
|---|---|
| Boiling Point | 103-104 °C3 mm Hg(lit.) |
| Density | 0.841 g/mL at 25 °C(lit.) |
| Flash Point | 220 °F |
| Exact Mass | 188.16000 |
| PSA | 38.80000 |
| LogP | 4.44700 |
| Refractive Index | n20/D 1.459(lit.) |
GHS Safety & Compliance
- H315 — Causes skin irritation
- 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-Undecanethiol?
The CAS number of 1-Undecanethiol is 5332-52-5.
What are the molecular formula and molecular weight of 1-Undecanethiol?
1-Undecanethiol has molecular formula C11H24S and molecular weight 188.37300 g/mol.
Is 1-Undecanethiol hazardous?
1-Undecanethiol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Undecanethiol (CAS 5332-52-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9172-9 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.