4,4'-Diisocyanatodiphenyl ether

Chemical Name4,4'-Diisocyanatodiphenyl ether
Synonym(s)1,1'-Oxybis(4-isocyanatobenzene) | Benzene, 1,1'-oxybis(4-isocyanato)-
Category MemberN120: Diisocyantes
De minimis Limit %1
M,P/OU Threshould (lb)25,000/10,000
Listing TypeChemical category member
Effective Date01-JAN-95
Chemical QualifierNo
Chemical of Special ConcernNo
Per- or Polyfluoroalkyl SubstanceNo

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)
Structural image
Structural representation of 4,4'-Diisocyanatodiphenyl ether