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tetra-SODIUM PYROPHOSPHATE DECAHYDRATE AR/ACS

Tetrasodium diphosphate

Packings

500 g (00500)

25 Kg (0025K)

50 Kg (0050K)

1PW1200500 1PDL00040K 1PDLP0065K
Article No. 05980 Grade AR/ACS
Purity 99% CAS No. 13472-36-1
Molecular Formula Na4P2O7.10H2O Molecular Weight 446.06
H.S. Code 2835.3900 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Colorless
Odour Odorless pH value 10.3
Melting point/ Freezing point [°C] 79.5 Density [g/cm3] 1.82
Solubility in water [% weight] Soluble in water

Specifications

Appearance Colorless crystals Assay (acidimetric; as Na4P2O7.10H2O) 99 - 103%
pH (5% solution in water; 25°C) 9.5 - 10.5 Insoluble matter Max 0.01%
Chloride (Cl) Max 0.002% Sulphate (SO4) Max 0.005%
Niitrogen compounds (N) Max 0.001% Heavy metal (as Pb) Max 0.001%
Iron (Fe) Max 0.001%

Safety Information and Hazard Symbols

Exclamation Mark
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Revision Date: 06-Aug-2016

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