Chloroacetic anhydride
Also known as: 2-chloroacetic anhydride, chloroacetic acid anhydride, chloroacetyl anhydride, monochloroacetic anhydride, chloroethanoic anhydride, acetic acid, chloro-, anhydride, acetic acid, 2-chloro-, 1,1'-anhydride
Chloroacetic anhydride (CAS 541-88-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H4Cl2O3 and a molecular weight of 170.97900 g/mol. Key properties include a melting point of 51 °C, a boiling point of 159.0±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 63.0±10.9 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H314 — Causes severe skin burns and eye damage and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 541-88-8
- Jingsj CID
- J-44893-1
- Molecular Formula
- C4H4Cl2O3
- Molecular Weight
- 170.97900 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 51 °C |
|---|---|
| Boiling Point | 159.0±20.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 63.0±10.9 °C |
| Exact Mass | 154.019684 |
| PSA | 43.37000 |
| LogP | 0.91 |
| Vapor Pressure | 2.6±0.3 mmHg at 25°C |
| Refractive Index | 1.400 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H314 — Causes severe skin burns and eye damage
- H317 — May cause an allergic skin reaction
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Chloroacetic anhydride?
The CAS number of Chloroacetic anhydride is 541-88-8.
What are the molecular formula and molecular weight of Chloroacetic anhydride?
Chloroacetic anhydride has molecular formula C4H4Cl2O3 and molecular weight 170.97900 g/mol.
Is Chloroacetic anhydride hazardous?
Chloroacetic anhydride has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H314 — Causes severe skin burns and eye damage; H317 — May cause an allergic skin reaction.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Chloroacetic anhydride (CAS 541-88-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44893-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.