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tetra-Sodium Pyrophosphate Anhydrous 97.5% Extra Pure

Packings
05977
Article No. 05977
Purity 97.5%
Molecular Formula Na4P2O7
H.S. Code 2835.3900
Grade Extra Pure
CAS No. 7722-88-5
Molecular Weight 265.90
Shelf Life 60 Months

Physical Properties

Specifications

Safety Information and Hazard Symbols

Symbol:


Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 10.3
Melting point/ Freezing point [°C] 94°C Density [g/cm3] 1.82
Solubility in water [% weight] Soluble in water

Specifications

Appearance A white crystalline powder Assay Min 97.5%
Loss on ignition (at 600°C) Max 1.0% Sulphate (SO4) Max 0.02%
Iron (Fe) Max 0.001% Lead (Pb) Max 0.002%

Safety Information and Hazard Symbols

Exclamation Mark              

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P280-P302+P352-P305+P351+P338