National Toxicology Program

National Toxicology Program
http://ntp.niehs.nih.gov/go/ts-10027-d

Testing Status of Wollastonite calcium silicates - 10027-D

 

CASRN: 13983-17-0

Formula: Ca.H2-O3-Si

Synonyms/Common Names

  • Wollastonite (9CI)

Known Uses

Component of ceramic mixes, glazes, and enamels. Pigment and extender for paints. Filler. Flocculant in wastewater treatment. Dental restorative.

Chemical Properties

Toxicity Effects (HSDB)

Long-Term Carcinogenicity

  • 2 years (Inhalation)  (C55470B)  Completed 
    •   (Peer Review Approval NA) Citation: McConnell EE, Hall L, Adkins B Jr., Studies on the Chronic Toxicity (Inhalation) of Wollastonite in Fischer 344 Rats. Inhalation Toxicology 3:323-337 (1991).
    • Rats: F344/N
    • Dose: 0,10 MG/M3.

Genetic Toxicology

  • Salmonella  (223222)  Completed 
    • Citation: Zeiger E, Anderson B, Haworth S, Lawlor T, Mortelmans K, Speck W. Salmonella mutagenicity tests: III. Results from the testing of 255 chemicals. Environ Mutagen. 1987;9 Suppl 9:1-109.
    •  Negative 
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