Trichloroacetic acid
Also known as: TCA, Acetic acid, trichloro-, Trichloroethanoic acid, 1,1,1-Trichloroacetic acid
Trichloroacetic acid (CAS 76-03-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2HCl3O2 and a molecular weight of 163.39 g/mol. Key properties include a melting point of 54-58 °C(lit.), a boiling point of 196 °C(lit.), a density of 1.62 g/mL at 25 °C(lit.) and a flash point of 196°C. 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.
- 76-03-9
- Jingsj CID
- J-32697-6
- Molecular Formula
- C2HCl3O2
- Molecular Weight
- 163.39 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 54-58 °C(lit.) |
|---|---|
| Boiling Point | 196 °C(lit.) |
| Density | 1.62 g/mL at 25 °C(lit.) |
| Flash Point | 196°C |
| Exact Mass | 161.90400 |
| PSA | 37.30000 |
| LogP | 1.44120 |
| Additional Property | <1 (vs air) |
| Vapor Pressure | 1 mm Hg ( 51 °C) |
| Refractive Index | n20/D 1.62(lit.) |
| Additional Property | 120 g/100 mL (20 ºC) |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
- H410 — Very toxic to aquatic life with long lasting effects
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Herbig K, et al. Combination Jessner's solution and trichloroacetic acid chemical peel: technique and outcomes. Plast Reconstr Surg. 2009;124(3):955-964. [2]. Stenner RD, et al. Enterohepatic recirculation of trichloroethanol glucuronide as a significant source of trichloroacetic acid. Metabolites of trichloroethylene. Drug Metab Dispos. 1997;25(5):529-535. [3]. Chiu WA. Trichloroacetic acid: updated estimates of its bioavailability and its contribution to trichloroethylene-induced mouse hepatomegaly. Toxicology. 2011;285(3):114-125. |
Customs & Trade Information
| HS Code | 29154000 |
|---|
Frequently Asked Questions
What is the CAS number of Trichloroacetic acid?
The CAS number of Trichloroacetic acid is 76-03-9.
What are the molecular formula and molecular weight of Trichloroacetic acid?
Trichloroacetic acid has molecular formula C2HCl3O2 and molecular weight 163.39 g/mol.
Is Trichloroacetic acid hazardous?
Trichloroacetic acid 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 Trichloroacetic acid?
For Trichloroacetic acid, Upstream Products: Trichloroacetyl chloride, Diisoamylamine, Methyl trichloroacetate; Downstream Products: 2,2-dichloro-1-(2,3-dihydro-1H-indol-1-yl)ethanone, 2-Oxazolidinone, Trimethylsilyl trichloroacetate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trichloroacetic acid (CAS 76-03-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32697-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.