1-Dodecanethiol
Also known as: Dodecyl mercaptan, Lauryl mercaptan, n-Dodecyl mercaptan, n-Dodecanethiol, Mercaptan C12, Dodecane-1-thiol, 1-Dodecyl mercaptan, Dodecylthiol, NDM
1-Dodecanethiol (CAS 112-55-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C12H26S and a molecular weight of 202.400 g/mol. Key properties include a melting point of -7 °C, a boiling point of 266-283 ºC, a density of 0.845 and a flash point of 87 ºC. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 112-55-0
- Jingsj CID
- J-1083458-9
- Molecular Formula
- C12H26S
- Molecular Weight
- 202.400 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -7 °C |
|---|---|
| Boiling Point | 266-283 ºC |
| Density | 0.845 |
| Flash Point | 87 ºC |
| Exact Mass | 202.175522 |
| PSA | 38.80000 |
| LogP | 6.56 |
| Additional Property | 7 (vs air) |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.457 |
| Additional Property | IMMISCIBLE |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
- H410 — Very toxic to aquatic life with long lasting effects
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-Dodecanethiol?
The CAS number of 1-Dodecanethiol is 112-55-0.
What are the molecular formula and molecular weight of 1-Dodecanethiol?
1-Dodecanethiol has molecular formula C12H26S and molecular weight 202.400 g/mol.
Is 1-Dodecanethiol hazardous?
1-Dodecanethiol has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage; H410 — Very toxic to aquatic life with long lasting effects.
What are the upstream and downstream products of 1-Dodecanethiol?
For 1-Dodecanethiol, Upstream Products: Dodecyl thiocyanate, Benzyl bromide, 1-[2-Amino-1-(4-methoxyphenyl)ethyl]cyclohexanol; Downstream Products: Dodecane, 2',3',5'-Tri-O-acetylinosine, Dodecyl 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-Dodecanethiol (CAS 112-55-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1083458-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.