TETRA-SODIUM PYROPHOSPHATE LR (ANHYDROUS)

TETRA-SODIUM PYROPHOSPHATE LR (ANHYDROUS)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
S0197505000 LR 97.5% 7722-88-5 Na4P2O7 265.90 2835.3900
 60 Months

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

Chloride (Cl):

 Max 0.01%

Sulphate (SO4):

 Max 0.02%

Lead (Pb):

 Max 0.002%

Iron (Fe):

 Max 0.001%

Assay:

 Min 97.5%

Loss on ignition (at 600°C):

 Max 1.0%

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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