3,3'-Dichlorobenzidine dihydrochloride

Agent Name
3,3'-Dichlorobenzidine dihydrochloride
CAS Number
612-83-9
Formula
C12-H10-Cl2-N2.2Cl-H
Major Category
Nitrogen Compounds
3,3'-Dichlorobenzidine dihydrochloride formula graphical representation
Synonyms
(1,1'-Biphenyl)-4,4'-diamine, 3,3'-dichloro-, dihydrochloride; 3,3'-Dichlorobenzidine hydrochloride; Benzidine, 3,3'-dichloro-, dihydrochloride; [ChemIDplus] UN3077
Category
Benzidine and Derivatives
Description
White to light-gray solid; [HSDB] Light tan solid; [CAMEO]
Sources/Uses
Used to make azo dyes and pigments (Benzidine Yellow); Also used as a curing agent for isocyanate polymers and solid urethane plastics; [Merck Index]
Comments
A mutagen and tumorigen; [RTECS] Overexposure may cause skin sensitization, caustic burns, and hematuria; [Merck Index] Emergency treatment: Irritants; Severely irritating to eyes; [HSDB] May cause skin sensitization; [CAMEO] May cause skin sensitization; Severely restricted for industrial use in the EU; [eChemPortal: ESIS] May cause irritation; May cause skin sensitization; Targets the bladder and liver; [MSDSonline] See "3,3'-Dichlorobenzidine."
Biomedical References

Exposure Assessment

Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Environmentally hazardous substances, solid, n.o.s."

Adverse Effects

Skin Sensitizer
Yes
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
NTP Carcinogen
Anticipated human carcinogen

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: