3,3'-Dimethoxybenzidine-4,4'-diisocyanate

Agent Name
3,3'-Dimethoxybenzidine-4,4'-diisocyanate
CAS Number
91-93-0
Formula
C16-H12-N2-O4
Major Category
Plastics & Rubber
3,3'-Dimethoxybenzidine-4,4'-diisocyanate formula graphical representation
Synonyms
1,1'-Biphenyl, 4,4'-diisocyanato-3,3'-dimethoxy-; 3,3'-Dimethoxy-4,4'-biphenylene diisocyanate; 3,3'-Dimethoxy-4,4'-biphenylylene isocyanate; 3,3'-Dimethoxy-4,4'-biphenylylene isocyanic acid ester; 3,3'-Dimethoxy-4,4'-diphenylyl isocyanate; 4,4'-Diisocyanato-3,3'-dimethoxy-1,1'-biphenyl; DADI; Dianisidine diisocyanate; Dimethoxybenzidine-4,4'-diisocyanate; Isocyanic acid, 3,3'-dimethoxy-4,4'-biphenylene ester; Isocyanic acid, 3,3'-dimethoxy-4,4'-biphenylylene ester; Isocyanic acid, ester with O,O'-dimethoxybiphenyl; [ChemIDplus] UN2811
Category
Diisocyanates
Description
Gray to brown solid; [HSDB] May decompose upon exposure to light and air; [MSDSonline]
Sources/Uses
Used in polymers and adhesives; [HSDB]
Comments
A respiratory and mucous membrane irritant; Diisocyanates are known to cause occupational asthma; Some cause skin sensitization; [CHEMINFO] A severe irritant; A lachrymator and potential sensitizer; Inhalation my result in edema; [MSDSonline] See "DIISOCYANATES."
Biomedical References

Exposure Assessment

Explanatory Notes
Flash Point = 245 deg C; VP = 0.003 mm Hg at 149 deg C; [CHEMINFO] The Guide in the Emergency Response Guidebook is for "Toxic solid, organic, n.o.s."

Adverse Effects

Asthma
Yes
Lachrymator
Yes
IARC Carcinogen
Not classifiable

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: