Ammonium sulphate

(NH4)2SO4

M = 132,14 g/mol

EC No. 231-984-1

CAS No. 7783-20-2



Chemical Grade Definitions:



Pure p.a - High purity analytical reagents. Suitable for laboratory and general use.



Pharm/Food - Acceptable for food, drug or medicinal use. May be used for most laboratory purposes.



Pure - Good quality chemicals. May be used for most laboratory purposes, educational, domestic, craft applications. Not pure enough to be offered for food.



Technical - Good quality for educational, domestic, handicraft, agricultural applications. Not pure enough to be offered for food.