Fluka

Sodium phosphate dibasic dihydrate

SKU

04272

Meets analytical specification of BP, Ph. Eur., 98.5-101% (calc. to the dried substance)

Synonym(s)

sec-Sodium phosphate; Disodium hydrogen phosphate dihydrate; Disodium phosphate; di-Sodium hydrogen phosphate dihydrate

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General Information:

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Brand Fluka	CAS Numbers (All) 10028-24-7	EC Number 231-448-7	Linear Formula Na₂HPO₄ · 2H₂O	MDL Number MFCD00149182
Molar Mass 177.99 g/mol	Synonyms sec-Sodium phosphate; Disodium hydrogen phosphate dihydrate; Disodium phosphate; di-Sodium hydrogen phosphate dihydrate

Property	Value
Assay (calculated to the dried substance)	98.5 - 101.0 %
Assay of NaH₂PO₄ (calculated to dried substances)	Max. 1.0 %
Loss on drying (130°C)	19.5 - 21.0 %
pH (1 %,20°C)	9.0 - 9.4
Arsenic (As)	Max. 2 ppm
Iron (Fe)	Max. 10 ppm
Heavy metals (as Pb)	Max. 10 ppm
Chloride (Cl)	Max. 50 ppm
Sulfate (SO₄)	Max. 0.01 %
Appearance of the solution	complying
Reducing impurities	complying
Residual solvents	complying

Property	Value
Boiling Point/Range	No data available
Certification	Ph. Eur., BP
Color	Colorless
Density	2.07 g/cm3 (16 °C)
Flashpoint	Not applicable
Form	Solid
Grade	Reagent Pharmacopeia Salts
Incompatible Materials	Strong oxidizing agents, Strong acids and strong bases
Lower Explosion Limit	Not applicable
Melting Point/Range	450 °C
Purity Percentage	98.50
Purity Details	98.50-101.00%
Solubility in Water	Soluble
Upper Explosion Limit	Not applicable
Vapor Pressure	No data available
Viscosity	No data available
pH-Value	9.0-9.2 (20 °C)
Storage Temperature	Ambient

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