3-CHLOROPHTHALIC ANHYDRIDE
- CAS NO.：117-21-5
- Empirical Formula: C8H3ClO3
- Molecular Weight: 182.56
- MDL number: MFCD00023107
- EINECS: 204-179-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 22:50:48
What is 3-CHLOROPHTHALIC ANHYDRIDE?
Chemical properties
White or pale yellow crystalline powder and chunks
The Uses of 3-CHLOROPHTHALIC ANHYDRIDE
3-chlorophthalic anhydride is mainly used for the synthesis of polyimide engineering plastic properties. Also be used as drug or pesticide intermediates.
Properties of 3-CHLOROPHTHALIC ANHYDRIDE
| Melting point: | 123-126 °C |
| Boiling point: | 170°C(lit.) |
| Density | 1.594±0.06 g/cm3(Predicted) |
| vapor pressure | 0.02-0.08Pa at 25℃ |
| storage temp. | Inert atmosphere,Room Temperature |
| form | Crystalline Powder and Chunks |
| color | White or pale yellow |
| CAS DataBase Reference | 117-21-5(CAS DataBase Reference) |
Safety information for 3-CHLOROPHTHALIC ANHYDRIDE
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H318:Serious eye damage/eye irritation |
Computed Descriptors for 3-CHLOROPHTHALIC ANHYDRIDE
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