Testing Information

Testing Status of Agents at NTP

Asbestos, crocidolite

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http://ntp.niehs.nih.gov/go/TS-10757-N

CASRN: 12001-28-4

Formula: O-Na2Fe2-O33Fe-O8Si-O2H2-O

Synonyms/Common Names:

  • CROCIDOLITE ASBESTOS

Known Uses:

CEMENT PIPE

Nomination Background

Long-Term Carcinogenicity

  • 2-Year (Dosed-Feed)  (C09007) Report Complete 
    • TR-280 (NTIS No. PB89-178529)  (Peer Review 02/28/1983)
      Toxicology and Carcinogenesis Studies of Crocidolite Asbestos (CAS No. 12001-28-4) In F344/N Rats (Feed Studies)
    • Rats: F344/N
    • Carcinogenesis Results
      • Male Rats Negative 
      • Female Rats Negative 
    • Dose: 0,1 %/250 PER GROUP

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Web page last updated on January 22, 2009