Product Name:
Potassium Sulfate
🔬 Scientific Name:
Potassium Sulfate
🏷️ Trade Names:
Potash sulfate, K₂SO₄, Sulfate of Potash (SOP), potassium fertilizer
⚛️ Chemical Formula:
K₂SO₄
🧾 CAS Number:
7778-80-5
📦 HS Code:
3104.30
📘 Description:
Potassium sulfate is a white crystalline salt widely used as a potassium source in agriculture, especially for chloride-sensitive crops. It is water-soluble and non-toxic, providing both potassium and sulfur nutrients.
⚗️ Physical & Chemical Properties:
| Property | Value |
| Appearance | White crystals |
| Density | 2.66 g/cm³ |
| Melting Point | 1069°C |
| Solubility in Water | 111 g/L (20°C) |
| pH (5% solution) | 7–9 |
| Toxicity | Non-toxic |
🧪 Production Process:
Produced from reacting potassium chloride with sulfuric acid or through extraction from natural salt deposits.
🧯 Safety & Handling:
- Hazards: Generally safe and non-hazardous
- Storage: Store in dry and cool place
- Packaging: 25–50 kg bags, jumbo bags
- Transport: Non-dangerous goods
📊 Grades & Applications:
| Grade Type | Purity | Applications |
| Agricultural | ≥ 98% | Fertilizer for chloride-sensitive crops |
| Industrial | ≥ 99% | Glass, ceramics, chemical production |
| Food Grade | Food safe | Food additive (E515) – limited use |
🌍 Exporting Countries:
Germany, China, Jordan, Chile
🌎 Importing Countries:
Iran, India, Turkey, Bangladesh, Egypt
🔎 SEO Keywords:
potassium sulfate fertilizer, buy K₂SO₄, SOP price, chloride-free potash, food grade potassium sulfate