Agent Name

Isophthaloyl dichloride

Alternative Name

1,3-Benzenedicarbonyl chloride

CAS Number

99-63-8

Formula

C8-H4-Cl2-O2

Major Category

Toxic Gases & Vapors

Synonyms

1,3-Benzenedicarbonyl chloride; 1,3-Benzenedicarbonyl dichloride; 1,3-Benzenedicarboxylic acid, dichloride; Dichlorid kyseliny isoftalove [Czech]; Isophthalic acid chloride; Isophthalic acid dichloride; Isophthalic chloride; Isophthaloyl dichloride; Isophthalyl chloride; Isophthalyl dichloride; Isothaloyl chloride; m-Benzenedicarbonyl chloride; m-Phthalic dichloride; m-Phthaloyl chloride; m-Phthalyl dichloride; meta-Phthalyl dichloride; [ChemIDplus] UN3096

Category

Other Toxic Gases & Vapors

Description

Solid; [Hawley] White crystalline solid; [MSDSonline]

Sources/Uses

Used in dyes, synthetic fibers, resins, films, and glass coatings; [HSDB]

Comments

Reacts with water; [Hawley] A skin and eye irritant; [HSDB] Evolves HCl upon reaction with water; A moderate to severe skin irritant; [CHEMINFO] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause edema and chemical pneumonitis; [MSDSonline]

Exposure Assessment
Lethal Concentration

LC (rat) > 31,000 mg/m3/4h

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Corrosive solid, water-reactive, n.o.s."

Flammability (NFPA)

1: Must be preheated

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Processes

Industrial Processes with risk of exposure: