Title: Tantalum Pentoxide
CAS Registry Number: 1314-61-0
CAS Name: Tantalum oxide (Ta2O5)
Additional Names: tantalic acid anhydride
Molecular Formula: O5Ta2
Molecular Weight: 441.89
Percent Composition: O 18.10%, Ta 81.90%
Line Formula: Ta2O5
Literature References: Acute toxicity: K. W. Cochran et al., Arch. Ind. Hyg. Occup. Med. 1, 637 (1950).
Properties: White, microcrystalline, infusible powder. Insol in water, alcohol, mineral acids. Sol in HF. Dec by fusing with KHSO4 or KOH, forming potassium tantalate with the latter. LD50 orally in rats: 8000 mg/kg (Cochran).
Toxicity data: LD50 orally in rats: 8000 mg/kg (Cochran) |