04269
Fluka

Sodium phosphate monobasic dihydrate

SKU
04269
Meets analytical specification of BP, FCC, Ph. Eur., USP, E 339, 98-100.5% (calc. to the dried substance)
Synonym(s)
Sodium dihydrogen phosphate dihydrate
General Information:
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Brand
Fluka
CAS Numbers (All) EC Number Linear Formula
NaH2PO4 · 2H2O
MDL Number
Molar Mass
156.01 g/mol
Synonyms
Sodium dihydrogen phosphate dihydrate

Documents

Specifications

PropertyValue
Assay (calculated to the dried substance)98.0 - 100.5 %
Assay (calculated on the anhydrous basis)98.0 - 103.0 %
Loss on drying (130°C)21.5 - 24.0 %
Water (Karl Fischer)18.0 - 26.5 %
Water insoluble mattermax. 0.2 %
pH (5 %, 25 °C)4.2 - 4.5
pH (1 %,20°C)4.1 - 5.0
Arsenic (As)max. 1 ppm
Calcium (Ca)max. 0.002 %
Cadmium (Cd)max. 1 ppm
Copper (Cu)max. 0.001 %
Iron (Fe)max. 5 ppm
Mercury (Hg)max. 1 ppm
Magnesium (Mg)max. 0.002 %
Lead (Pb)max. 1 ppm
Zinc (Zn)max. 0.001 %
Heavy metals (as Pb)max. 10 ppm
Al, Ca and Related Substancescomplying
Chloride (Cl)max. 50 ppm
Fluoride (F)max. 10 ppm
Sulfate (SO4)max. 200 ppm
Reducing impuritiescomplying
Appearance of the solutioncomplying
Residual solventscomplying
Appearancecomplying

Properties

PropertyValue
Boiling Point/RangeDecomposes on heating
ColorColorless
Density2.04 g/cm3 (20 °C)
FlashpointNot applicable
FormSolid
GradeReagent Pharmacopeia Salts
Incompatible MaterialsNone known
Lower Explosion LimitNot applicable
Melting Point/Range60 °C
Partition CoefficientNo data available
Solubility in WaterSoluble
Storage TemperatureAmbient
Upper Explosion LimitNot applicable
Vapor PressureNo data available
ViscosityNot applicable
pH-Value4.2-4.5 (20 °C) (as aqueous solution)

Safety Information

PropertyValue
Hazard ClassN/A
Package GroupN/A
UN IDN/A
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