National Toxicology Program

National Toxicology Program

Testing Status of Naturally occurring asbestos and related mineral fibers - M940105



Related: A. Amosite, A. Chrysotile, A. Crocidolite, Tremolite

Formula: N/A


  • 12172-73-5 - Asbestos, amosite
  • 12172-73-5 - Asbestos, amosite + Dimethyl hydrazine

Known Uses

Naturally occurring fibrous material used to fireproof fabrics; in brake linings; gaskets; roofing compositions; electrical & heat insulation; paint filler; chemical filters reinforcing agent in rubber & plastics; diaphragm cells. (chem dic. 9th ed)

Nomination Background

Planned Carcinogenicity/Toxicity

  • Selected (C98006)  
    NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.