Tetrasodium diphosphate decahydrate 99.0-103.0%, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytical reagent

Supplier: VWR Chemicals
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Synonyms: Sodium pyrophosphate decahydrate, tetra-Sodium pyrophosphate decahydrate, Sodium pyrophosphate tetrabasic decahydrate, TSPP

VWRC28055.292EA 101 SGD
VWRC28055.292 VWRC28055.460
Tetrasodium diphosphate decahydrate 99.0-103.0%, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytical reagent
tetra-Sodium diphosphate decahydrate
Formula: Na₄P₂O₇·10H₂O
MW: 446,06 g/mol
Melting Pt: 990 °C
Density: 1,82 g/cm³ (25 °C)
Storage Temperature: Ambient
MDL Number: MFCD00149200
CAS Number: 13472-36-1
EINECS: 231-767-1

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Specification Test Results

Assay 99.0 - 103.0 %
pH (25°C; 5 %) 9.5 - 10.5
Heavy metals (as Pb) Max. 5 ppm
Insolubility in water Max. 50 ppm
Nitrogen compounds (as N) Max. 10 ppm
Orthophosphates (as PO4) Max. 0.5 %
Cl (Chloride) Max. 20 ppm
NH4 (Ammonium) Max. 10 ppm
NO3 (Nitrate) Max. 20 ppm
SO4 (Sulphate) Max. 50 ppm
As (Arsenic) Max. 1 ppm
Fe (Iron) Max. 5 ppm
K (Potassium) Max. 100 ppm
Conforms to ACS Passes test
Conforms to Reag. Ph.Eur. Passes test

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