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Inorganic Salts

Sodium Dithionite Extra Pure

RA002371 CAS 7775-14-6 Extra Pure

Identity

Product code
RA002371
CAS number
7775-14-6
Grade
Extra Pure
Purity
85%
Molecular formula
Na2S2O4
Molecular weight
174.11

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour White crystalline —
Odour Distinct sulfur dioxide odor —
pH value 7 - 9 —
Melting point/ Freezing point [°C] 300 °C °C
Vapour density 3.6 —
Density [g/cm3] 2.19 g/cm3 g/cm3
Solubility in water [% weight] Soluble in water —
Partition coefficient Log Pow octanol / water at 20°C -4.7 —

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

Specifications

ParameterSpecificationUnit
Appearance White crystalline powder —
Iron (Fe) Max 0.002 % %

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 RA002371-PK-25KG
500 g RA002371-PK-500G
50 kg RA002371-PK-50KG