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."

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Processes

Industrial Processes with risk of exposure: