Plot No. C40, Road No. 21Y, MIDC, Wagle Industrial Estate, Thane(W)-400604, MH, India
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Zinc sulfate heptahydrate
SKU:
TC131M
CAS Number :
7446-20-0
Molecular Formula :
ZnSO₄.7H₂O
Availability: In stock
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Product Description
| Molecular weight | 287.56 |
|---|---|
| Molecular formula | ZnSO4.7H2O |
| CAS No. | 7446-20-0 |
Quality Control
| Appearance (EP, BP) | White or almost white crystalline powder or colourless, transparent crystals, efflorescent |
|---|---|
| Appearance (JP) | Colourless crystals or a white crystalline powder |
| Appearance (IP) | Colourless, transparent crystals or a white crystalline powder |
| Solubility (EP, BP) | Very soluble in water, practically insoluble in ethanol (96%) |
| Solubility (JP) | It is very soluble in water and very slightly soluble in ethanol (95.5%) |
| pH (5% in water at 25°C) (JP) | 4.40 - 6.00 |
| pH (5% in water at 25°C) (EP, BP, IP) | 4.40 - 5.60 |
| Identification (IP) | Reactions for zinc salts and sulphates |
| Identification 1 (JP) | Reactions for zinc |
| Identification 2 (JP) | Reactions for sulphate |
| Identification A (USP) | Reactions for zinc |
| Identification A (EP, BP) | Reactions for sulphate |
| Identification B (USP) | Reactions for sulphate |
| Identification B (EP, BP) | Reactions for zinc |
| Identification C (EP, BP) | It complies with the limits of the assay |
| Appearance of solution (EP, BP, JP, IP) | 5% w/v solution is clear and colourless. |
| Arsenic (USP) | <= 0.0014% |
| Arsenic (JP) | <= 0.0002% |
| Arsenic (IP) | <= 0.001% |
| Iron (EP, BP) | <= 0.01% |
| Chloride (EP, BP) | <= 0.03% |
| Chloride (IP) | <= 0.025% |
| Heavy metals (JP) | <= 0.001% |
| Lead (USP) | <= 0.002% |
| Acidity (USP) | The sample solution is not coloured pink by methyl orange TS |
| Alkali earth metals & alkali metals (USP, JP) | <= 5.0 mg |
| Loss on drying (JP) | 35.5 - 38.50% (at 105°C, 3hr) |
| Assay (EDTA Titration) (JP) | 99.00 - 102.00% |
| Assay (EDTA Titration) (EP, BP, IP) | 99.00 - 104.00% |
| Assay (EDTA Titration) (USP) | 99.00 - 108.70% |
Storage and Shelf Life
| Storage | Store below 30°C away from bright light. |
|---|---|
| Shelf life | 48 months. |
| Usage | Use before expiry date given on the product label. |
CAS Number :
7446-20-0
Molecular Formula :
ZnSO₄.7H₂O
| Product Name | Zinc sulfate heptahydrate |
|---|---|
| SKU | TC131M |
| CAS No | 7446-20-0 |
| EC No. | 231-793-3 |
| EC Index No. | 030-006-00-9 |
| Molecular formula | ZnSO₄.7H₂O |
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