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Inorganic Salts

Sodium Iodide Extra Pure

RA002395 CAS 7681-82-5 Extra Pure

Identity

Product code
RA002395
CAS number
7681-82-5
Grade
Extra Pure
Purity
99%
Molecular formula
NaI
Molecular weight
149.89

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour White crystalline —
Odour Odorless —
pH value 8 - 9.5 —
Melting point/ Freezing point [°C] 651 °C °C
Boiling point [°C] 1300 °C °C
Vapour pressure mm/Hg 1 mmHg mmHg
Density [g/cm3] 3.67 g/cm3 g/cm3

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

Specifications

ParameterSpecificationUnit
Appearance A white crystalline powder —
Total nitrogen (N) Max 0.001 % %
Heavy metal Max 0.001 % %
Iron (Fe) Max 0.0005 % %
Potassium (K) Max 0.05 % %
Loss on drying (105 °C) Max 3 % %
Water Max 2 % %
Bromide & chloride (Cl) Max 0.03 % %
Assay 99 - 100.5 % %
Identity Passes test —
Appearance of solution Passes test —
Impurities with alkaline reaction Passes test —
Sulphate (SO4) Max 0.01 % %
Iodate (as per BP, USP) Passes test —
Thiosulphate (S2O3) Passes test —
Thiosulphate and barium Passes test —

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
100 g RA002395-PK-100G
250 g RA002395-PK-250G