A6618912
Potassium bisulfate , AR,99% , 7646-93-7
Synonym(s):
Potassium bisulfate;Potassium hydrogen sulfate
CAS NO.：7646-93-7
Empirical Formula: HKO4S
Molecular Weight: 136.169
MDL number: MFCD00011404
EINECS: 231-594-1
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 214 °C(lit.) |
| Boiling point: | decomposes [STR93] |
| Density | 2.32 g/mL at 25 °C(lit.) |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| form | Solid |
| color | White |
| Specific Gravity | 2.322 |
| PH | 1 (50g/l, H2O, 20℃) |
| Water Solubility | soluble |
| Sensitive | Hygroscopic |
| Merck | 14,7613 |
| Stability: | Stable. Moisture sensitive. |
Description and Uses
Potassium hydrogen sulfate is used in the conversion of tartrates to bitartrates in wine. It serves as a disintegrating agent in analytical chemistry and as an intermediate in the preparation of potassium persulfate by electrolysis. It is also employed in the manufacturing of fertilizers.
Safety
| Symbol(GHS) |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H314-H335 |
| Precautionary statements | P260-P271-P280-P301+P330+P331-P303+P361+P353-P305+P351+P338 |
| Hazard Codes | C |
| Risk Statements | 34-37 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 2509 8/PG 2 |
| WGK Germany | 1 |
| RTECS | TS7200000 |
| F | 3 |
| TSCA | Yes |
| HS Code | 2833 29 80 |
| HazardClass | 8 |
| PackingGroup | II |
| Toxicity | LD50 orally in Rabbit: 2340 mg/kg |
