Naphthalene diisocyanate

Agent Name
Naphthalene diisocyanate
Alternative Name
NDI
CAS Number
3173-72-6
Formula
C12-H6-N2-O2
Major Category
Plastics & Rubber
Synonyms
1,5-Diisocyanatonaphthalene; 1,5-Naphthalene diisocyanate;1,5-Naphthalene ester of isocyanic acid; NDI; [NIOSH]
Category
Diisocyanates
Description
White to light-yellow, crystalline flakes; [NIOSH]
Sources/Uses
Occupational asthma reported in rubber manufacturing; [Malo]
Comments
May cause skin sensitization; [ICSC] "Biological monitoring of exposure to 1,5-naphthalene diisocyanate and 4,4'-methylenediphenyl diisocyanate." [PMID 16506043] See "DIISOCYANATES."
Reference Link #1
Isocyanate asthma: respiratory symptoms due to 1,5-naphthylene di-isocyanate
Biomedical References
Search PubMed

Exposure Assessment

Vapor Pressure
0.003 mm Hg
Explanatory Notes
Vapor Pressure: 0.003 mm Hg at 75 ° F (NIOSH, 2016); [CAMEO]
Reference Link #2
ICSC: Naphthalene 1,5-diisocyanate

Adverse Effects

Skin Sensitizer
Yes
Asthma
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: