Skip to content
Metals & Elements

Sodium Metal AR

RA003366 CAS 7440-23-5 AR

Identity

Product code
RA003366
CAS number
7440-23-5
Grade
AR
Purity
99%
Molecular formula
Na
Molecular weight
22.99

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Solubility in water [% weight] Decomposes violently in water —
Colour Silvery white —
Odour Odorless —
Melting point/ Freezing point [°C] 97.8 °C °C
Auto-ignition temperature [°C] Min 115 °C °C
Flash point [°C] 82 °C °C
Boiling point [°C] 883 °C °C
Vapour density 0.003 —
Density [g/cm3] 0.968 g/cm3 g/cm3

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

Specifications

ParameterSpecificationUnit
Appearance Silvery white soft, waxy surface —
Potassium (K) Max 0.01 % %
Assay Min 99 % %
Chloride (Cl) Max 0.002 % %
Sulphate (SO4) Max 0.002 % %
Phosphate (PO4) Max 0.0005 % %
Total nitrogen (N) Max 0.0005 % %
Heavy metal Max 0.0005 % %
Iron (Fe) Max 0.001 % %
Calcium (Ca) Max 0.05 % %

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
250 g RA003366-PK-250G
500 g RA003366-PK-500G