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Inorganic Salts

tetra-SODIUM PYROPHOSPHATE DECAHYDRATE AR/ACS

RA002434 CAS 13472-36-1 AR/ACS

Identity

Product code
RA002434
CAS number
13472-36-1
Grade
AR/ACS
Purity
99%
Molecular formula
Na4P2O7.10H2O
Molecular weight
446.06

Classification

Technical Data

Properties

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

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit Method
Appearance Colorless crystals — —
Assay (acidimetric; as Na4P2O7.10H2O) 99 - 103 % % acidimetric
pH (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 Max 0.001 % % —
Iron (Fe) Max 0.001 % % —

2 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.

Packaging

Pack size SKU
25 kg RA002434-PK-25KG
500 g RA002434-PK-500G
50 kg RA002434-PK-50KG