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CAS No 1306-06-5 , pentacalcium Search by region : Korea

  • Name: pentacalcium
  • Synonyms: HYDROXYAPATITE; Hydroxylapatite;triphosphate;pentacalcium;Alveograf; Periograf;hydroxide; Radiesse; Ossopan; Monite; Calcium hydroxyapatite;
  • CAS Registry Number:
  • Flash Point: °C
  • Boiling Point: 158ºC at 760 mmHg
  • Density: g/cm3
  • Water Solubility: H2O: 0.3 mg/mL, clear, colorless
  • Safety Statements: Low toxicity by ingestion and subcutaneous routes. Mutation data reported. When heated to decomposition it emits toxic vapors of POx
  • Hazard Symbols: Xi: Irritant;
  • Flash Point: °C
  • EINECS: 215-145-7
  • Molecular Weight: 502.311426
  • InchiKey: XYJRXVWERLGGKC-UHFFFAOYSA-D
  • InChI: InChI=1S/5Ca.3H3O4P.H2O/c;;;;;3*1-5(2,3)4;/h;;;;;3*(H3,1,2,3,
    4);1H2/q5*+2;;;;/p-10
  • Risk Statements: S24/25:Avoidcontactwithskinandeyes.;
  • Molecular Formula: Ca5HO13P3
  • Molecular Structure:CAS No:1306-06-5 pentacalcium

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References of pentacalcium
Title: Durapatite
CAS Registry Number: 1306-06-5
CAS Name: Hydroxylapatite
Synonyms: calcium phosphate hydroxide; calcium orthophosphate basic; hydroxyapatite
Trademarks: Alveograf; Ossopan; Periograf
Literature References: 3Ca3(PO4)2.Ca(OH)2 or Ca10(PO4)6(OH)2. Also considered as pentacalcium monohydroxyorthophosphate Ca5(OH)(PO4)3. Calcd as Ca10H2O26P6; Ca 39.89%, H 0.20%, O 41.41%, P 18.50%. Occurs as a mineral in phosphate rock. Constitutes the mineral portion of bone. Prepn from Ca(NO3)2 and KH2PO4: Warington, J. Chem. Soc. 26, 983 (1873); Rathje, Ber. 74, 342 (1941); Hayek in Handbook of Preparative Inorganic Chemistry, G. Brauer, Ed. (Academic Press, 2nd ed., 1963) p 545; from calcium phosphate, dibasic: Perloff, Posner, Inorg. Synth. 6, 16 (1960); from Ca(NO3)2.4H2O and (NH4)3PO4 plus NH4OH: Hayek, Newesely, ibid. 7, 63 (1963). Formation and structure of synthetic bone hydroxyapatites: A. S. Posner et al., Prog. Cryst. Growth Charact. 3, 3 (1980).
Properties: Hexagonal needles arranged in rosettes. Dec above 1100°. Practically insol in water, even when freshly prepd. Crystallographic data: a0 9.425; C0 6.935; C0/a0 0.736.
Use: Prosthetic aid (artificial bone and teeth).
Therap-Cat: Calcium supplement; phosphorus supplement.
Keywords: Replenishers/Supplements; Phosphorus.