Dicyclohexylmethane 4,4'-diisocyanate

Agent Name
Dicyclohexylmethane 4,4'-diisocyanate
CAS Number
5124-30-1
Formula
C15-H22-N2-O2
Major Category
Plastics & Rubber
Dicyclohexylmethane 4,4'-diisocyanate formula graphical representation
Synonyms
4,4'-Diisocyanatodicyclohexylmethane; Bis(4-isocyanatocyclohexyl)methane; CP 99173; Hydrogenated MDI; Hylene W; Isocyanic acid, methylenedi-4,1-cyclohexylene ester; Methylene bis-(4-cyclohexylisocyanate); Nacconate H 12; [ChemIDplus]
Category
Diisocyanates
Description
Clear, colorless to light-yellow liquid; [NIOSH]
Sources/Uses
"Methylene bis(4-cyclohexylisocyanate) is used primarily to produce urethane products that will not yellow on exposure to light." [ACGIH]
Comments
See "ISOCYANATES."
Reference Link #1
Allergic contact dermatitis to DMDI in an office application.
Biomedical References
Search PubMed

Exposure Assessment

Skin Designation (ACGIH)
Insufficient data
TLV (ACGIH)
0.005 ppm
Vapor Pressure
2.33E-05 mm Hg
Lethal Concentration
LCLo (rat) = 20 ppm/5h
Explanatory Notes
VP from HSDB;

Adverse Effects

Skin Sensitizer
Yes
Asthma
Yes

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: