Burdick & Jackson

di-Sodium hydrogen phosphate dodecahydrate

SKU

66150

Extra pure, meets analytical specifications of Reagent European Pharmacopoeia, BP, E 339

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Brand

Burdick & Jackson

CAS Numbers (All)

10039-32-4

EC Number

231-448-7

Linear Formula

Na₂HPO₄ · 12 H₂O

Molar Mass

358.14 g/mol

Property	Value
Assay	98.5-102.5%
Assay(calculatedtothedriedsubstance)	98.5-101%
AssayofNaH₂PO₄(calculatedtodriedsubstances)	Max.1.0%
Water(KarlFischer)	57.0-61.0%
Lossondrying(130°C)	Max.61%
Waterinsolublematter	Max.0.2%
pH(1%,20°C)	8.4-9.6
Arsenic(As)	Max.1ppm
Cadmium(Cd)	Max.1ppm
Copper(Cu)	Max.0.002%
Iron(Fe)	Max.10ppm
Mercury(Hg)	Max.1ppm
Potassium(K)	Max.0.005%
Lead(Pb)	Max.1ppm
Zinc(Zn)	Max.0.001%
Heavymetals(asPb)	Max.10ppm
Chloride(Cl)	Max.10ppm
Fluoride(F)	Max.10ppm
Sulfate(SO₄)	Max.100ppm
Appearanceofthesolution	complying
Reducingimpurities	complying
Residualsolvents	complying

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