Dichloroacetic acid
Also known as: DCA, Dichloroethanoic acid, Bichloroacetic acid, Dichloracetic acid, 2,2-Dichloroacetic acid, Urner's liquid, DKhUK
Dichloroacetic acid (CAS 79-43-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H2Cl2O2 and a molecular weight of 128.94200 g/mol. Key properties include a melting point of 9-11 °C(lit.), a boiling point of 194 °C(lit.), a density of 1.563 g/mL at 25 °C(lit.) and a flash point of >110.0 °C. It is classified under GHS with signal word Danger and hazard statements H311 — Toxic in contact with skin, H314 — Causes severe skin burns and eye damage and H351 — Suspected of causing cancer. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 79-43-6
- Jingsj CID
- J-32890-5
- Molecular Formula
- C2H2Cl2O2
- Molecular Weight
- 128.94200 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 9-11 °C(lit.) |
|---|---|
| Boiling Point | 194 °C(lit.) |
| Density | 1.563 g/mL at 25 °C(lit.) |
| Flash Point | >110.0 °C |
| Exact Mass | 127.94300 |
| PSA | 37.30000 |
| LogP | 0.87470 |
| Additional Property | 4.5 (vs air) |
| Vapor Pressure | 0.19 mm Hg ( 20 °C) |
| Refractive Index | n20/D 1.466(lit.) |
| Additional Property | soluble |
GHS Safety & Compliance
- H311 — Toxic in contact with skin
- H314 — Causes severe skin burns and eye damage
- H351 — Suspected of causing cancer
- H400 — Very toxic to aquatic life
Customs & Trade Information
| HS Code | 2915400090 |
|---|---|
| Summary | 2915400090 mono-, di- or trichloroacetic acids, their salts and esters |
Frequently Asked Questions
What is the CAS number of Dichloroacetic acid?
The CAS number of Dichloroacetic acid is 79-43-6.
What are the molecular formula and molecular weight of Dichloroacetic acid?
Dichloroacetic acid has molecular formula C2H2Cl2O2 and molecular weight 128.94200 g/mol.
Is Dichloroacetic acid hazardous?
Dichloroacetic acid has GHS signal word Danger and hazard statements H311 — Toxic in contact with skin; H314 — Causes severe skin burns and eye damage; H351 — Suspected of causing cancer.
What are the upstream and downstream products of Dichloroacetic acid?
For Dichloroacetic acid, Upstream Products: acetic acid, Ethyl dichloroacetate, Dichloroacetyl chloride; Downstream Products: 1,1-Dichloro-2,2,2-trifluoroethane, 2-Oxazolidinone, Difluoroacetic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dichloroacetic acid (CAS 79-43-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32890-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.