Boron carbide
Agent Name
Boron carbide
CAS Number
12069-32-8
Formula
C-B4
Major Category
Metals
Synonyms
Norbide; [Merck Index]
Category
Metalloid Compounds (Boron)
Description
Black shiny solid; [Merck Index] Black odorless powder; Insoluble in water; [Alfa Aesar MSDS]
Sources/Uses
Used as an abrasive and to make chemical-resistant ceramics and wear-resistant tools; [Merck Index] Also used in nuclear control rods and aircraft composites; [Hawley]
Comments
Causes emphysema and pulmonary fibrosis in 1-year intermittent inhalation study of rats; [RTECS] A skin and strong eye irritant; Harmful by inhalation; [Alfa Aesar MSDS] See "CARBIDES."
Biomedical References
Exposure Assessment
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: