Potassium hydrogen sulphate, GR 99%+

Name: Potassium hydrogen sulphate, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-014031

About Potassium hydrogen sulphate, GR 99%+

Potassium hydrogen sulphate (CAS 7646-93-7) is an alkali metal compound offered by Vaqora Chemicals in AR grade, specified at ≥99% purity. With the molecular formula HKO4S, it has a molar mass of 136.17 g/mol. Its systematic (IUPAC) name is potassium hydrogen sulfate. Common synonyms include Potassium bisulphate and Potassium bisulfate.

The product is provided as a powder. Reported physical data include a melting point of 214 °C and a boiling point of 300 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span analytical determinations and oxidation reactions. Our customers for this product work in academic and industrial research.

Available in 500 g, 5 kg and 4 x 25 kg packs, Potassium hydrogen sulphate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical determinations
Oxidation reactions

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Potassium hydrogen sulphate, GR 99%+
Catalogue No.	VQ-014031
CAS Number	7646-93-7
IUPAC name	potassium hydrogen sulfate
Molecular formula	HKO₄S
Molecular weight	136.17 g/mol
Exact mass	135.9233
Grade	AR
Purity / assay	≥99%
HSN code	28332990
InChIKey	CHKVPAROMQMJNQ-UHFFFAOYSA-M
SMILES	OS(=O)(=O)[O-].[K+]
PubChem CID	516920

Physical properties
Physical form	Powder
Appearance	Powder
Melting point	214 °C
Boiling point	300 °C
H-bond donors / acceptors	1 / 4
TPSA	85.8 Å²
UN number	UN 2509
Synonyms	Potassium bisulphate, Potassium bisulfate, Sal enixum, Sulfuric acid, monopotassium salt, Monopotassium hydrogen sulfate, Potassium hydrosulfate (KHSO4), Potassium hydrogen sulfate, solid, INS-515(II), E-515(II), Sulfuric acid monopotassium salt, Potassium acid sulfate, Monopotassium sulfate

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage
H335May cause respiratory irritation

Precautionary statements: P260, P261, P264, P271, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P319, P321, P363, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 7646-93-7

Extra Pure

Potassium hydrogen sulphate, 99%

CAS: 7646-93-7
Formula: HKO₄S
MW: 136.17 g/mol

VQ-014030

Frequently asked questions

What is the CAS number of Potassium hydrogen sulphate, GR 99%+?

The CAS Registry Number of Potassium hydrogen sulphate, GR 99%+ is 7646-93-7. It is also known as Potassium bisulphate, Potassium bisulfate, Sal enixum.

What is the molecular formula and molecular weight of Potassium hydrogen sulphate, GR 99%+?

Potassium hydrogen sulphate, GR 99%+ has the molecular formula HKO4S and a molecular weight of 136.17 g/mol. Its IUPAC name is potassium hydrogen sulfate.

Which grade and pack sizes of Potassium hydrogen sulphate, GR 99%+ can I order?

We supply Potassium hydrogen sulphate, GR 99%+ in AR (≥99%) grade, in 500 g, 5 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Potassium hydrogen sulphate, GR 99%+?

Yes. Every lot of Potassium hydrogen sulphate, GR 99%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Potassium hydrogen sulphate, GR 99%+ be shipped internationally?

Yes. Potassium hydrogen sulphate, GR 99%+ is classified as hazardous (UN 2509), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.