Potassium hydrogen sulfate, 97%

Product Code. 11434020

Brand: Thermo Scientific Alfa Aesar A12428.22

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: 100 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

Product Identifier

• Potassium hydrogen sulfate

Signal Word

• Danger

Hazard Category

• Serious eye damage/eye irritation Category 1
• Skin corrosion/irritation Category 1 B
• Specific target organ toxicity Category 3

Hazard Statement

• H314-Causes severe skin burns and eye damage.
• H318-Causes serious eye damage.
• H335-May cause respiratory irritation.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
• P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
• P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P310-Immediately call a POISON CENTER/doctor/.

Supplemental information

• MIXTURE LIST-Contains : Potassium hydrogen sulfate

SDS

RUO – Research Use Only