Sodium dihydrogen phosphate dihydrate 98-100.5% (dried basis), meets analytical specification of BP, Ph. Eur., USP, FCC, E339, Fluka™

Supplier: Honeywell Chemicals
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Total Ratings: 0
Avg. Ratings: 0.0 out of 5

Synonyms: Sodium phosphate monobasic dihydrateSodium dihydrogen orthophosphate dihydratePhosphoric acid (sodium hydrate)

04269-5KGEA 227 GBP
04269-5KG 04269-1KG HONE04269.9025 04269-6X1KG 04269-25KG
Sodium dihydrogen phosphate dihydrate 98-100.5% (dried basis), meets analytical specification of BP, Ph. Eur., USP, FCC, E339, Fluka™
Sodium dihydrogen phosphate dihydrate
Formula: NaH₂PO₄·2H₂O
MW: 156.01 g/mol
Boiling Pt: Decomposes on heating
Melting Pt: 60 °C
Density: 2.04 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00149209
CAS Number: 13472-35-0
EINECS: 231-449-2
REACH: 01-2119489796-13
Merck Index: 12,08806

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Specification Test Results

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 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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