Chemical Detail

Chemical NameDiisocyanates (includes 20 specific compounds)
Category IDN120
Category DescriptionThis category includes only those chemicals listed below.
CASRN Chemical Name
38661-72-2 1,3-Bis(methylisocyanate)cyclohexane
10347-54-3 1,4-Bis(methylisocyanate)cyclohexane (1,4-Bis(isocyanatomethyl)cyclohexane)
2556-36-7 1,4-Cyclohexane diisocyanate
134190-37-7 Diethyldiisocyanatobenzene
4128-73-8 4,4'-Diisocyanatodiphenyl ether
75790-87-3 2,4'-Diisocyanatodiphenyl sulfide
91-93-0 3,3'-Dimethoxybenzidine-4,4'-diisocyanate
91-97-4 3,3'-Dimethyl-4,4'-diphenylene diisocyanate
139-25-3 3,3'-Dimethyldiphenylmethane-4,4'-diisocyanate
822-06-0 Hexamethylene-1,6-diisocyanate
4098-71-9 Isophorone diisocyanate
75790-84-0 4-Methyldiphenylmethane-3,4-diisocyanate
5124-30-1 1,1-Methylenebis(4-isocyanatocyclohexane)
101-68-8 4,4'-Methylenedi(phenyl isocyanate)
3173-72-6 1,5-Naphthalene diisocyanate
123-61-5 1,3-Phenylene diisocyanate
104-49-4 1,4-Phenylene diisocyanate
9016-87-9 Polymeric diphenylmethane diisocyanate
16938-22-0 2,2,4-Trimethylhexamethylene diisocyanate
15646-96-5 2,4,4-Trimethylhexamethylene diisocyanate
De minimis Limit %1
M,P/OU Threshould (lb)25,000/10,000
Listing TypeChemical category
Effective Date1995-01-01
Chemical QualifierNo
MetalNo
Chemical of Special ConcernNo
Per- or Polyfluoroalkyl SubstanceNo

Rulemaking Changes Affecting This Chemical

StatusEffective Reporting YearFR Proposed RuleFR Final Rule
Added199559 FR 1788 (1/12/1994)59 FR 61432 (11/30/1994)