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Product Identifier
Product Description
| Molecular weight |
174.26 |
| Molecular formula |
K2SO4 |
| CAS No. |
7778-80-5 |
Technical Specification
| Appearance (EP, BP) |
White or almost white, crystalline powder or colourless crystals |
| Solubility (EP, BP) |
Soluble in water, practically insoluble in anhydrous ethanol |
| Identification A, sulfates (EP, ВР) |
It gives reactions for sulfates |
| Identification B, potassium (EP, BP) |
It gives reactions for potassium |
| Appearance of solution (EP, ВР) |
10% solution in water is clear and colourless |
| Acidity or alkalinity (EP, BP) |
<= 0.5 mL of 0.01M HCl or 0.01M NaOH is required to change the colour of the indicator |
| Chloride (EP, ВР) |
<= 0.0040% |
| Iron (EP, BP) |
<= 0.0010% |
| Calcium (EP, ВР) |
<= 0.02% |
| Magnesium (EP, BP) |
<= 0.0020% |
| Sodium (EP, BP) |
<= 0.10% |
| Loss on drying (EP, BP) |
<= 1.00% (at 130°C, 4hr) |
| Assay (Cation exchange Titration, dried substance) (EP, BP) |
98.50 - 101.00% |
Storage Information
| Store below |
30°C away from bright light. |
| Shelf life |
48 months. |
| Use before |
expiry date given on the product label. |
CAS Number :
7778-80-5
Molecular Formula :
K₂SO₄
More Information
| Product Name |
Potassium sulfate |
| SKU |
TC765M |
| CAS No |
7778-80-5 |
| EC No. |
231-915-5 |
| Molecular formula |
K₂SO₄ |