Potassium sulfate CAS#: 7778-80-5; ChemWhat Code: 18701
Names & Identifiers |
| Product Name | Potassium sulfate |
| Synonyms | Arcanum duplicatum;arcanumduplicatum;dipotassiumsulfate;Glazier’s salt;K2SO4;kaliumsulphuricum;Potassium sulfate, alpha;potassiumsulfate(2:1) |
| CAS Registry Number | 7778-80-5 |
| Molecular Formula | K2O4S |
| Molecular Weight | 174.26 |
| EINECS | 231-915-5 |
| Other Registry Numbers | ; |
| IUPA Names, InChI, InChI Key, Canonical SMILES, etc.: | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
![]() |
|
Chemical & Physical Properties |
| Melting point | 1067°C |
| Boiling Point | 1689°C |
| Density | 2.66 |
| Flash Point | 1689°C |
| Storage | Store at RT. |
| Solubulity | H2O: 0.5 M at 20 °C, clear, Colorless |
| form | Very Fine Crystals or Powder |
| Color | White |
| PH | 5.5-7.5 (25℃, 0.5M in H2O) |
| Water Solubility | 110 g/L (20 ºC) |
| Merck | 14,7674 |
| Stability: | Stable. |
| InChIKey | OTYBMLCTZGSZBG-UHFFFAOYSA-L |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
| NIST Chemistry Reference | Potassium sulfate(7778-80-5) |
| EPA Substance Registry System | Sulfuric acid dipotassium salt(7778-80-5) |
Safety & Hazards(Codes & Phrases) |
| S Phrase | 22-24/25 |
| WGK Germany | 1 |
| RTECS | TT5900000 |
| TSCA | Yes |
| HS Code | 31043000 |
| Hazardous Substances Data | 7778-80-5(Hazardous Substances Data) |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
Buy Reagent | |
| No reagent supplier? | Send quick inquiry to ChemWhat |
| Want to be listed here as a reagent supplier? (Paid service) | Click here to contact ChemWhat |
Approved Manufacturers | |
| Want to be listed as an approved manufacturer (Requires approvement)? | Please download and fill out this form and send back to approved-manufacturers@chemwhat.com |
Other Suppliers | |
| Watson International Limited | Visit Watson Official Website |
Contact Us for Other Help | |
| Contact us for other information or services | Click here to contact ChemWhat |


