Chemical Detail

Chemical Name3,3'-Dimethoxybenzidine-4,4'-diisocyanate
Synonym(s)1,1'-Biphenyl, 4,4'-diisocyanato-3,3'-dimethoxy- | 3,3'-Dimethoxy-4,4'-biphenyl diisocyanate | 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 | AI3-52494 | DADI | Dianisidine diisocyanate | Ianisidine diisocyanate | Isocyanic acid 3,3'-dimethoxy-4,4'-biphenylene ester | Isocyanic acid, ester with O,O'-dimethoxybiphenyl | NCI-C02175
CASRN91-93-0
Category MemberN120: Diisocyantes
De minimis Limit %1
M,P/OU Threshould (lb)25,000/10,000
Listing TypeChemical category member
Effective Date1995-01-01
Chemical QualifierNo
MetalNo
Chemical of Special ConcernNo
Per- or Polyfluoroalkyl SubstanceNo
Structural image
Structural representation of 3,3'-Dimethoxybenzidine-4,4'-diisocyanate

Rulemaking Changes Affecting This Chemical

StatusEffective Reporting YearFR Proposed RuleFR Final Rule
Added to category199559 FR 1788 (1/12/1994)59 FR 61432 (11/30/1994)