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Inorganic Salts

Ammonium Sulphate Extra Pure

RA000605 CAS 7783-20-2 Extra Pure

Identity

Product code
RA000605
CAS number
7783-20-2
Grade
Extra Pure
Purity
98.5%
Molecular formula
(NH4)2SO4
Molecular weight
132.14

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour Colorless crystals —
Odour Slight odor of ammonia —
pH value 5 - 6 —
Melting point/ Freezing point [°C] Min 280 °C °C
Density [g/cm3] 1.77 g/cm3 g/cm3
Partition coefficient Log Pow octanol / water at 20°C -5.1 —

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

Specifications

ParameterSpecificationUnit Method
Appearance Colorless crystals/ White crystalline powder — —
Assay Min 98.5 % % titration
pH (5% solution; 25°C) 4.5 - 6.0 — —
Heavy metal Max 0.002 % % —
Chloride (Cl) Max 0.003 % % —
Iron (Fe) Max 0.002 % % —
Sulphated ash Max 0.05 % % —

5 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 RA000605-PK-25KG
500 g RA000605-PK-500G
50 kg RA000605-PK-50KG
5 kg RA000605-PK-5KG