Cupric Sulfate USP
Cupric sulfate, also known as copper sulphate, are the inorganic compounds. The pentahydrate (CuSO4·5H2O), the most commonly encountered salt, is bright blue. It exothermically dissolves in water to give the aquo complex It occurs as deep blue, triclinic crystals or blue, crystalline granules or powder.
Copper sulfate is used as a fungicide it is also used as a mordant in vegetable dyeing. It often highlights the green tints of the specific dyes.
Chemical Name: Cupric Sulfate
Mol. Formula: CuSO4.5H2O
Mol. Weight: 249.69 g/mol
CAS No.: 7758-99-8
|Characters||It occurs as deep blue, triclinic crystals or blue, crystalline granules or powder.|
Test for Sulfates
Test for Copper
|Solubility||Freely soluble in water and in glycerin, very soluble in boiling water; slightly soluble in alcohol.|
|Limit of Sodium||Not more than 0.02%|
|Limit of Potassium||Not more than 0.01%|
|Limit of Calcium||Not more than 0.005%|
|Limit of Iron||Not more than 0.003%|
|Limit of Nickel||Not more than 0.005%|
|Loss on drying||Between 33.0% and 36.5%|
|Residual solvents||Meets the requirements|
|Assay||Not less than 98.5% not than 100.5%, on dried basis|
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
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