Products Description of Polyisobutylene CAS#9003-27-4
Potassium sulfate (K₂SO₄) is a highly practical chemical product that takes a leading position in global agricultural application scenarios. As a premium chloride-free potassium fertilizer, it supplies crops with two vital nutrients, potassium and sulfur, working wonders to upgrade crop quality and maximize yields, particularly in soils where these key nutrients are severely lacking.
Apart from its widespread agricultural adoption, crude potassium sulfate is a reliable raw material for glass production. It also unlocks unique industrial application value: it serves as a high-performance flash suppressant in artillery propellant compositions, and works as a cost-effective alternative blasting medium that matches the performance of traditional soda in soda blasting processes.
Potassium sulfate Chemical Properties
| Melting point | 1067°C |
| Boiling point | 1689°C |
| density | 2.66 |
| Fp | 1689°C |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | H2O: 0.5 M at 20 °C, clear, colorless |
| form | Very Fine Crystals or Powder |
| color | White |
| Specific Gravity | 2.662 |
| Odor | Odorless |
| PH Range | ~7 |
| PH | 5.5-7.5 (25℃, 0.5M in H2O) |
| Water Solubility | 110 g/L (20 ºC) |
| λmax | λ: 260 nm Amax: 0.01 |
| λ: 280 nm Amax: 0.01 | |
| Merck | 147674 |
| crystal system | Nogata |
| Space group | Pnma |
| Lattice constant | a/nmb/nmc/nmα/oβ/oγ/oV/nm30.74560.57761.008909090 |
| Dielectric constant | 5.9（0.0℃） |
| Stability: | Stable. |
| InChIKey | OTYBMLCTZGSZBG-UHFFFAOYSA-L |
| CAS DataBase Reference | 7778-80-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Potassium sulfate(7778-80-5) |
| EPA Substance Registry System | Potassium sulfate (7778-80-5) |
| Safety Statements | 22-24/25 |
| WGK Germany | 1 |
| RTECS | TT5900000 |
| TSCA | Yes |
| HS Code | 31043000 |
| Hazardous Substances Data | 7778-80-5(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 6600 mg/kg |
Product Usage
Potassium sulfate (K₂SO₄, CAS 7778-80-5) is a widely applied inorganic compound, with its core usages covering four main sectors:
Agriculture: It serves as a premium low-chloride potassium fertilizer, providing both potassium and sulfur nutrients. It is specially suitable for chlorine-sensitive cash crops such as tobacco, grape, sugarcane and potato, to boost crop yield and improve product quality.
Industrial Manufacturing: It acts as the fundamental raw material for producing various potassium salts like potassium carbonate. It also functions as a clarifying agent in the glass industry, an intermediate in dye production, and an auxiliary agent in the fragrance industry.
Food & Cosmetics: It is used as a flavoring agent, acidity regulator and viscosity control agent, which is approved as a safe food additive (E515(i)) and cosmetic ingredient.
Pharmacy & Laboratory: It is applied as a mild laxative in the pharmaceutical field, and also used for serum protein biochemical tests, Kjeldahl nitrogen determination experiments and other analytical scenarios.
