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Copper(II) sulphate
Meets USP-NF, EP and BP testing specifications CuSO₄
Product Name | Copper (II) sulphate anhydrous, Meets USP-NF, EP and BP testing specifications |
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SKU | TC609M |
CAS No | 7758-98-7 |
Molecular formula | CuSO₄ |
Molecular Weight | 159.61 |
Synonym | Cupric sulphate anhydrous |
Storage | Below 30°C |
Shelf Life | 4 Years |
Customized Product Available | No |
Appearance (EP, BP) | Greenish-grey powder, very hygroscopic |
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Appearance (USP) | A white or grayish-white powder. |
Solubility (EP, BP) | Freely soluble in water, slightly soluble in methanol, practically insoluble in ethanol (96% ) |
Solubility (USP) | Soluble in water; Insoluble in alcohol |
Identification A : Sulfate (USP) | Meets the requirements |
Identification A (EP, BP) | Complies |
Identification B : Copper (USP) | Meets the requirements |
Identification B : Loss on drying (EP, BP) | <= 1.00% (at 240 - 260°C, till constant weight |
Identification C : Sulfates (EP, BP) | 0.64% solution gives reaction (a) of sulfates |
Limit of sodium : (USP) | <= 0.02% |
Appearance of solution (EP, BP) | 3.20% solution in water is clear |
Chloride (EP, BP) | <= 0.015% |
Iron : (EP, BP) | <= 0.015% |
Lead : (EP, BP) | <= 0.0080% |
Limit of potassium : (USP) | <= 0.010% |
Limit of Calcium : (USP) | <= 0.0050% |
Limit of Iron : (USP) | <= 0.003% |
Limit of Nickel : (USP) | <= 0.005% |
Loss on drying : (USP) | <= 1.00% (at 250°C to constant weight) |
Loss on drying (EP, BP) | <= 1.00% (at 240 - 260°C, to constant weight) |
Assay | (Iodometry, on dried basis) - 98.50 - 100.50% |
Assay | (Iodometry, dried substance) - 99.00 - 101.00% |