1,1-Dichloroethane
Also known as: Ethylidene dichloride, Ethylidene chloride, 1,1-DCE, CH3CHCl2, Freon 150a, HCC-150a, HCFC-150A, R-150a, 1,1-Ethylidene dichloride, Dichloroethane, 1,1-, alpha,alpha-Dichloroethane
1,1-Dichloroethane (CAS 75-34-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C2H4Cl2 and a molecular weight of 98.959 g/mol. Key properties include a melting point of -96.7ºC, a boiling point of 57.3±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of -12.5±14.6 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H301 — Toxic if swallowed and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 75-34-3
- Jingsj CID
- J-17255-0
- Molecular Formula
- C2H4Cl2
- Molecular Weight
- 98.959 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -96.7ºC |
|---|---|
| Boiling Point | 57.3±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | -12.5±14.6 °C |
| Exact Mass | 97.969009 |
| LogP | 1.53 |
| Vapor Pressure | 232.1±0.1 mmHg at 25°C |
| Refractive Index | 1.410 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H301 — Toxic if swallowed
- H311 — Toxic in contact with skin
- H331 — Toxic if inhaled
- H370 — Causes damage to organs
Frequently Asked Questions
What is the CAS number of 1,1-Dichloroethane?
The CAS number of 1,1-Dichloroethane is 75-34-3.
What are the molecular formula and molecular weight of 1,1-Dichloroethane?
1,1-Dichloroethane has molecular formula C2H4Cl2 and molecular weight 98.959 g/mol.
Is 1,1-Dichloroethane hazardous?
1,1-Dichloroethane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H301 — Toxic if swallowed; H311 — Toxic in contact with skin.
What are the upstream and downstream products of 1,1-Dichloroethane?
For 1,1-Dichloroethane, Upstream Products: Vinyl chloride, Chloroethane, ch3cho; Downstream Products: 2,2'-Dinaphthylamine, 7-Fluoro-1H-indole, 2,2-Dichlorobutane.
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-Dichloroethane (CAS 75-34-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17255-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.