Potassium hydrogen sulfate, 97%

Description

CAS: 7646-93-7 | HKO4S | 136.16 g/mol

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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
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.

Solubility
Soluble in water, acetone and ethanol.

Notes
Hygroscopic. Incompatible with strong bases, strong oxidizing agents and alcohols.

Specifications

Chemical Identifiers

• CAS: 7646-93-7
• Molecular Formula: HKO4S
• Molecular Weight (g/mol): 136.16
• MDL Number: MFCD00011404
• InChI Key: CHKVPAROMQMJNQ-UHFFFAOYSA-M
• Synonym: potassium bisulfate, potassium hydrogen sulfate, potassium bisulphate, sulfuric acid, monopotassium salt, potassium acid sulfate, sal enixum, potassium hydrogensulphate, monopotassium sulfate, acid potassium sulfate, caswell no. 682c
• PubChem CID: 516920
• IUPAC Name: potassium;hydrogen sulfate
• SMILES: [K+].OS([O-])(=O)=O

• Melting Point: 195°C to 197°C (decomposition)
• Quantity: 500 g
• Linear Formula: KHSO₄
• UN Number: UN2509
• Merck Index: 14,7613
• Solubility Information: Soluble in water,acetone and ethanol.
• Formula Weight: 136.17
• Percent Purity: 97%
• Odor: Odorless
• Sensitivity: Hygroscopic
• Density: 2.24
• Chemical Name or Material: Potassium hydrogen sulfate

Safety and Handling

Hazard Category	H314-H335
Hazard Statement	GHS H Statement H314-H335 Causes severe skin burns and eye damage. May cause respiratory irritation.
Precautionary Statement	P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P501c
DOTInformation	Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: POTASSIUM HYDROGEN SULFATE
EINECSNumber	231-594-1
RTECSNumber	TS7200000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only