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

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General Information:

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Brand Fluka	CAS Numbers (All) 13472-35-0	EC Number 231-449-2	Linear Formula NaH₂PO₄ · 2H₂O	MDL Number MFCD00149209
Molar Mass 156.01 g/mol	Synonyms Sodium dihydrogen phosphate dihydrate

Property	Value
assay (calc. to the dried substance)	98.0 - 100.5 %
assay (calc.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 matter	Max. 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 substances	complying
chloride (Cl)	Max. 50 ppm
fluoride (F)	Max. 10 ppm
sulfate (SO4)	Max. 200 ppm
reducing impurities	complying
appearance of the solution	complying
residual solvents	complying
appearance	complying

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