4-Chloroformylphthalic anhydride
Synonym(s):Benzene-1,2,4-tricarboxylic 1,2-anhydride 4-chloride
- CAS NO.：1204-28-0
- Empirical Formula: C9H3ClO4
- Molecular Weight: 210.57
- MDL number: MFCD00005924
- EINECS: 214-874-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:22:50
What is 4-Chloroformylphthalic anhydride?
Chemical properties
white crystalline solid
The Uses of 4-Chloroformylphthalic anhydride
Trimellitic Anhydride Chloride can be used as a reagent to synthesize optical polyamideimides.
Synthesis Reference(s)
The Journal of Organic Chemistry, 38, p. 2557, 1973 DOI: 10.1021/jo00954a034
Flammability and Explosibility
Not classified
Properties of 4-Chloroformylphthalic anhydride
| Melting point: | 66-68 °C(lit.) |
| Boiling point: | 302.37°C (rough estimate) |
| Density | 1.5015 (rough estimate) |
| vapor pressure | 0.017Pa at 20℃ |
| refractive index | 1.4571 (estimate) |
| storage temp. | 2-8°C |
| solubility | soluble in Chloroform |
| form | powder to lump |
| color | White to Almost white |
| Water Solubility | decomposes |
| Sensitive | Moisture Sensitive |
| BRN | 610823 |
| CAS DataBase Reference | 1204-28-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Phthalic , 4-(chloroformyl)-,anhydride(1204-28-0) |
| EPA Substance Registry System | 5-Isobenzofurancarbonyl chloride, 1,3-dihydro-1,3-dioxo- (1204-28-0) |
Safety information for 4-Chloroformylphthalic anhydride
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
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. P363:Wash contaminated clothing before reuse. 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 4-Chloroformylphthalic anhydride
| InChIKey | NJMOHBDCGXJLNJ-UHFFFAOYSA-N |
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