Isophthaloyl chloride
ALDRICH/I19403 - ≥99%
Synonym: Isophthaloyl dichloride
CAS Number: 99-63-8
Empirical Formula (Hill Notation): C8H4Cl2O2
Molecular Weight: 203.02
EC Number: 202-774-7
MDL Number: MFCD00000678
Linear Formula: C6H4-1,3-(COCl)2
Product Type: Chemical
| assay | ≥99% |
| bp | 276 °C (lit.) |
| expl. lim. | 8.9 % |
| InChI | 1S/C8H4Cl2O2/c9-7(11)5-2- |
| InChI key | FDQSRULYDNDXQB-UHFFFAOYSA |
| mp | 43-44 °C (lit.) |
| Quality Level | 200 ![]() |
| SMILES string | ClC(=O)c1cccc(c1)C(Cl)=O |
| vapor pressure | 0.03 mmHg ( 25 °C) |
| Application: | Isopthaloyl chloride reacts with; • Polyethylene amine to produce PA-100 membrane • Epiamine, a polyether amine, to produce PA-300 membrane • 1,3-diamino-4-chloroben • Melamine forms polyamide aerogel • bis-amine, produces an isophthalamide catenan • Terephthaloyl chloride and bisphenol-type diazonaphthoquinone (DNQ) to polycondensate into a polyarylates containing DNQ structure |
| General description: | Isopthaloyl chloride acts as a crosslinking agent in various polymerization reactions. |
| Packaging: | 1, 5 kg in poly bottle |
| Packaging: | 100, 500 g in poly bottle |
| Symbol | ![]() GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H312 - H314 - H331 |
| Precautionary statements | P260 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P311 - P305 + P351 + P338 |
| Hazard Codes | T |
| Risk Statements | 21-23-35 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 2923 6.1(8) / PGI |
| WGK Germany | WGK 1 |
| Flash Point(F) | 356.0 °F - closed cup |
| Flash Point(C) | 180 °C - closed cup |
| Purity | ≥99% |
| bp | 276 °C (lit.) |
| mp | 43-44 °C (lit.) |
| UNSPSC | 12162002 |



