potassium sulfate used in high quality soluble fertilizer
Basic Info
Model No.: Food grade
Product Description
Potassium Sulfate
K2SO4
Formula Weight : 174.26
INS: 515
CAS: [7778-80-5]
DESCRIPTION
Potassium Sulfate occurs as colorless or white crystals or as a crystalline powder. One gram dissolves in about 8.5 mL of water. It is insoluble in alcohol. The pH of a 1:20 aqueous solution is about 5.5 to 8.5.
Function pH control.
REQUIREMENTS
Identification A 1:10 aqueous solution gives positive tests for Potassium, Appendix IIIA.
Assay Not less than 99.0% and not more than 100.5% of K2SO4.
Lead Not more than 2 mg/kg.
Selenium Not more than 5 mg/kg.
| CAS | 7778-80-5 |
| Molecular Formula | K2O4S |
| Molecular Weight (g/mol) | 174.253 |
| MDL Number | MFCD00011388 |
| InChI Key | OTYBMLCTZGSZBG-UHFFFAOYSA-L |
| Synonym | potassium sulfate,dipotassium sulfate,potassium Sulphate,sulfuric acid dipotassium salt,sal polychrestum,sulfuric acid, potassium salt,arcanum duplicatum,kalium sulphuricum, caswell no. 702, sulfuric acid, dipotassium salt |
| PubChem CID | |
| ChEBI | |
| IUPAC Name | dipotassium;sulfate |
| SMILES | [O-]S(=O)(=O)[O-].[K+].[K+] |
| Assay Percent Range | ≥99 % |
| Formula Weight | 174.26 |
| Physical Form | Solid |
| Percent Purity | ≥99% |
| Grade | Certified ACS |
| Calcium (Ca) | 0.01% max. |
| 0.001% max. | |
| Heavy Metals (as Pb) | 5ppm max. |
| Identification | Pass Test |
| Insoluble Matter | 0.01% max. |
| Iron (Fe) | 5ppm max. |
| Magnesium (Mg) | 0.005% max. |
| Nitrogen Compounds | 5ppm max. |
| Packaging | Poly Bottle |
| Sodium (Na) | 0.02% max. |
| Boiling Point | 1689°C |
| Color | White |
| Melting Point | 1,067°C |
| pH | 6 to 8 |
| Quantity | 500g |
Contact us if you need more details on High Quality Potassium Sulfate fertilizer. We are ready to answer your questions on packaging, logistics, certification or any other aspects about High Quality Soluble Fertilizer Potassium Sulfate、Best Quality Potassium Sulfate Fertilizer. If these products fail to match your need, please contact us and we would like to provide relevant information.
Product Categories : Sulfate > Potassium Sulfate