Dichloroacetic anhydride
- CAS NO.：4124-30-5
- Empirical Formula: C4H2Cl4O3
- Molecular Weight: 239.87
- MDL number: MFCD00000842
- EINECS: 223-924-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:50:04
What is Dichloroacetic anhydride?
Chemical properties
clear colorless liquid after melting
The Uses of Dichloroacetic anhydride
Dichloroacetic anhydride was employed as an acylating agent for acylation of 10-Deacetylbaccatin III using Pseudomonas cepacia. It was also used in the preparation of cellulose dichloroacetates.
General Description
Dichloroacetic anhydride is an acylating agent and was evaluated for inducing autoimmune responses.
Properties of Dichloroacetic anhydride
| Melting point: | ~30 °C |
| Boiling point: | 214-216 °C (lit.) |
| Density | 1.574 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | Store below +30°C. |
| solubility | Acetonitrile (Soluble), Chloroform (Soluble) |
| form | Liquid After Melting |
| color | Clear colorless |
| Sensitive | Moisture Sensitive |
| BRN | 512173 |
| Stability: | Moisture sensitive |
| CAS DataBase Reference | 4124-30-5 |
| EPA Substance Registry System | Acetic acid, dichloro-, anhydride (4124-30-5) |
Safety information for Dichloroacetic anhydride
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H311:Acute toxicity,dermal H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Dichloroacetic anhydride
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