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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] See "DIISOCYANATES."
Reference Link
Isocyanate asthma: respiratory symptoms due to 1,5-naphthylene di-isocyanate
Exposure Assessment
Skin Designation (ACGIH)
Not evaluated
Vapor Pressure
0.003 mm Hg
Reference Link
International Chemical Safety Cards (WHO/IPCS/ILO)
Adverse Effects
Asthma
Yes
Skin Sensitizer
Yes
IARC Carcinogen
Not Classifiable
Links to Other NLM Databases
Toxicity Information
Search TOXNET
Chemical Information
Search ChemIDplus
Biomedical References
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Related Information in Haz-Map
Diseases
Occupational diseases associated with exposure to this agent:
Asthma, occupational
Contact dermatitis, allergic
Processes
Industrial Processes with risk of exposure:
Painting (Pigments, Binders, and Biocides)
Plastic Composites Manufacturing
Specialized Information Services
U.S. National Library of Medicine
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8600 Rockville Pike, Bethesda, MD 20894
National Institutes of Health
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Last updated: January, 2009