1,1,1-Trichloroethane
Also known as: Methyl chloroform, Methyltrichloromethane, Chlorothene, R-140a, 1,1,1-TCE, Trichloromethylmethane, alpha-Trichloroethane, Methylchloroform, f140a
1,1,1-Trichloroethane (CAS 71-55-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C2H3Cl3 and a molecular weight of 133.404 g/mol. Key properties include a melting point of −35 °C(lit.), a boiling point of 74.1±0.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of -3.7±14.0 °C. It is classified under GHS with signal word Warning and hazard statements H420. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 71-55-6
- Jingsj CID
- J-11362-3
- Molecular Formula
- C2H3Cl3
- Molecular Weight
- 133.404 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −35 °C(lit.) |
|---|---|
| Boiling Point | 74.1±0.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | -3.7±14.0 °C |
| Exact Mass | 131.930038 |
| LogP | 2.11 |
| Additional Property | 4.6 (vs air) |
| Vapor Pressure | 121.6±0.1 mmHg at 25°C |
| Refractive Index | 1.452 |
| Additional Property | 1.4 g/L (20 ºc) |
GHS Safety & Compliance
- H420
Customs & Trade Information
| HS Code | 2903191010 |
|---|---|
| Summary | 2903191010 1,1,1-trichloroethane。supervision conditions:14abxy。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:8.0%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,1,1-Trichloroethane?
The CAS number of 1,1,1-Trichloroethane is 71-55-6.
What are the molecular formula and molecular weight of 1,1,1-Trichloroethane?
1,1,1-Trichloroethane has molecular formula C2H3Cl3 and molecular weight 133.404 g/mol.
Is 1,1,1-Trichloroethane hazardous?
1,1,1-Trichloroethane has GHS signal word Warning and hazard statements H420.
What are the upstream and downstream products of 1,1,1-Trichloroethane?
For 1,1,1-Trichloroethane, Upstream Products: 1,1-Dichloroethane, Vinylidene chloride, Carbon tetrachloride; Downstream Products: 1,1,1-Trichloro-2,2,2-trifluoroethane, 1,1,1-Trifluoroethane, 1-Chloro-1,1-difluoroethane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,1,1-Trichloroethane (CAS 71-55-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11362-3 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.