Potassium bisulfate
硫酸氢钾
Also known as: Potassium hydrogen sulfate, Potassium bisulphate, Potassium hydrogen sulphate, Monopotassium sulfate
- CAS No.
- 7646-93-7
- Jingsj CID
- J-32880-1
- Molecular Formula
- HKO4S
- Chinese Name
- 硫酸氢钾
- Molecular Weight
- 136.16900 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 214 °C(lit.) |
|---|---|
| Boiling Point | 330ºC at 760 mmHg |
| Density | 2.512 g/mL at 25 °C(lit.) |
GHS Safety & Compliance
Corrosion / IrritantSignal word: Danger
Frequently Asked Questions
What is the CAS number of Potassium bisulfate?
7646-93-7
What are the molecular formula and molecular weight of Potassium bisulfate?
HKO4S, molecular weight 136.16900 g/mol
Is Potassium bisulfate hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026