71647
Sodium phosphate dibasic heptahydrate
puriss. p.a., ACS reagent, ≥99.0% (NT)
Synonym(s):
Disodium hydrogen phosphate heptahydrate, Disodium phosphate
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About This Item
grade
ACS reagent
puriss. p.a.
vapor density
4.9 (vs air)
Assay
≥99.0% (NT)
impurities
≤0.001% total nitrogen (N)
pH
8.7-9.3 (25 °C, 50 mg/mL in H2O)
density
1.68 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤50 mg/kg
cation traces
As: ≤1 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤100 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
SMILES string
O.O.O.O.O.O.O.[Na+].[Na+].OP([O-])([O-])=O
InChI
1S/2Na.H3O4P.7H2O/c;;1-5(2,3)4;;;;;;;/h;;(H3,1,2,3,4);7*1H2/q2*+1;;;;;;;;/p-2
InChI key
PYLIXCKOHOHGKQ-UHFFFAOYSA-L
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