Testing Information

Testing Status of Agents at NTP

Asbestos, amosite + Dimethyl hydrazine

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http://ntp.niehs.nih.gov/go/TS-C60253D

CASRN: 12172-73-5

Related: ASBESTOS, AMOSITE

Known Uses:

ASBESTOS, AMOSITE: ASBESTOS-CEMENT BUILDING PRODUCTS. FIRE-RESISTANT INSULATION PRODUCTS. (TDB)

Short-Term Toxicity

  • 13-Week (Dosed-Feed)  (C60253D) Completed 
    • NTIS No. PB91-172312  (Peer Review 09/22/1982)
      Citation: Toxicology and Carcinogenesis Studies of Amosite Asbestos (CAS No. 12172-73-5) in F344/N Rats (Feed Studies)
    • Rats: F344/N

Long-Term Carcinogenicity

  • 2-Year (Dosed-Feed)  (C60253D) Report Complete 
    • TR-279 (NTIS No. PB91-172312)  (Peer Review 09/22/1982)
      Toxicology and Carcinogenesis Studies of Amosite Asbestos (CAS No. 12172-73-5) in F344/N Rats (Feed Studies)
    • Rats: F344/N
    • Carcinogenesis Results
      • Male Rats Inadequate Study 
      • Female Rats Inadequate Study 
    • Dose: 0,1% /250 PER GROUP

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Web page last updated on November 24, 2008