Potassium sulfate
Chemical Name: Potassium sulfate
CAS No.: 7778-80-5
Appearance: White Very Fine Crystals or Powder
Molecular Formula: K2O4S
Molecular weight: 174.2592
Sample: Available
Products Description of Potassium sulfateCAS#7778-80-5
Industrial-grade potassium sulfate has purity of no less than 99%, appearing as colorless or white crystals, granules or powder with no odor. It has a melting point of 1067°C and boiling point of 1689°C. Vapor pressure is negligible at 25°C, and relative density is 2.66 at 20°C. It dissolves in water but not in ethanol, acetone or carbon disulfide. The product is stable and incompatible with barium salts and other heavy metal salts.
Parameters
| Item | Value |
| Melting point | 1067°C |
| Boiling point | 1689°C |
| bulk density | 800kg/m3 |
| 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 | 5.5-7.5 (25℃, 0.5M in H2O) |
| PH Range | ~7 |
| biological source | synthetic |
| Water Solubility | 110 g/L (20 ºC) |
| λmax | λ: 260 nm Amax: 0.01 λ: 280 nm Amax: 0.01 |
| crystal system | Nogata |
| Merck | 14,7674 |
| 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 Information
| Item | Value |
| 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 Application of Potassium sulfateCAS#7778-80-5
Potassium sulfate is a naturally occurring flavor agent. It appears as colorless or white crystals or crystalline powder with a bitter and salty taste. It is usually produced by neutralizing sulfuric acid with potassium hydroxide or potassium carbonate.
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