Fluka

Sodium phosphate dibasic dodecahydrate

SKU

04273

Meets analytical specification of BP, European Pharmacopoeia, E339, 98.5-101% (calc. to the dried substance)

Synonym(s)

Na₂HPO₄ · 12H₂O

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General Information:

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Brand Fluka	CAS Numbers (All) 10039-32-4	EC Number 231-448-7	Linear Formula Na₂HPO₄ · 12H₂O	MDL Number MFCD00149181
Molar Mass 358.14 g/mol	RTECS Number 231-448-7	Synonyms Na₂HPO₄ · 12H₂O

Property	Value
assay	98.5 - 102.5 %
assay (calc. to the dried substance)	98.5 - 101 %
assay of NaH2PO4 (calc.to dried subst.)	Max. 1.0 %
water (Karl Fischer)	57.0 - 61.0 %
loss on drying (130°C)	Max. 61.0 %
water insoluble matter	Max. 0.2 %
pH (1 %,20°C)	8.4 - 9.6
arsenic (As)	Max. 1 ppm
cadmium (Cd)	Max. 1 ppm
copper (Cu)	Max. 0.002 %
iron (Fe)	Max. 10 ppm
mercury (Hg)	Max. 1 ppm
potassium (K)	Max. 0.005 %
lead (Pb)	Max. 1 ppm
zinc (Zn)	Max. 0.001 %
heavy metals (as Pb)	Max. 10 ppm
chloride (Cl)	Max. 10 ppm
fluoride (F)	Max. 10 ppm
sulfate (SO4)	Max. 100 ppm
appearance of the solution	complying
reducing impurities	complying
residual solvents	complying

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