Hydroxyapatite

puriss., meets analytical specification of Ph. Eur., BP, FCC, E341, ?90% (calculated on glowed substance)

Synonym(s):Calcium phosphate hydroxide, Durapatite, Hydroxylapatite

Properties

grade

puriss.

Quality Level

200

assay

?90% (calculated on glowed substance)
35-40% Ca basis

form

powder

quality

meets analytical specification of Ph. Eur., BP, FCC, E341

impurities

residual solvents, complies
?0.001% heavy metals (as Pb)
?0.2% insoluble in HCl

loss

?8% loss on ignition, 800 ?C

anion traces

chloride (Cl^–): ?1500?mg/kg
fluoride (F^–): ?50?mg/kg
sulfate (SO₄^2-): ?5000?mg/kg

cation traces

As: ?2?mg/kg
Cd: ?1?mg/kg
Cu: ?20?mg/kg
Fe: ?400?mg/kg
Hg: ?1?mg/kg
Pb: ?2?mg/kg
Zn: ?20?mg/kg

SMILES string

[Ca++].[Ca++].[Ca++].[Ca++].O[Ca+].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O

InChI

1S/5Ca.3H3O4P.H2O/c;;;;;3*1-5(2,3)4;/h;;;;;3*(H3,1,2,3,4);1H2/q5*+2;;;;/p-10

InChI key

XYJRXVWERLGGKC-UHFFFAOYSA-D

Safety Information

Storage Class Code

13 – Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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