Tetrasodium diphosphate decahydrate ≥99.0% (by acidimetry) for analysis

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Synonyms: Sodium pyrophosphate decahydrateTSPPtetra-Sodium pyrophosphate decahydrateSodium pyrophosphate tetrabasic decahydrate

APPC121710.1211EA 132 GBP
APPC121710.1211
Tetrasodium diphosphate decahydrate ≥99.0% (by acidimetry) for analysis
tetra-Sodium diphosphate decahydrate
Formula: Na₄P₂O₇·10H₂O
MW: 446.06 g/mol
Melting Pt: 79 °C
Density: 1.82
Storage Temperature: Ambient
MDL Number: MFCD00149200
CAS Number: 13472-36-1
EINECS: 231-767-1

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Specification Test Results

Minimum Assay (Acidimetry) 99.0%
pH of 5% Solution 9.5 - 10.7
Insoluble Matter in H₂O ≤0.01%
Chloride (Cl) ≤0.005%
Sulphate (SO₄) ≤0.005%
Carbonate Passes Test
Nitrate (NO₃) ≤0.003%
As ≤0.0003%
Ca ≤001%
Cu ≤0.0005%
Fe ≤0.0005%
Mg ≤0.01%
Ni ≤0.0005%
Pb ≤0.0005%

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