Tetrasodium diphosphate decahydrate 99.0-103.0%, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytical reagent
Supplier: VWR Chemicals
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Warning
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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 |
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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