Potassium hydrogen sulphate, 99%

Name: Potassium hydrogen sulphate, 99%
Brand: Vaqora Chemicals
SKU: VQ-014030

About Potassium hydrogen sulphate, 99%

Listed under CAS 7646-93-7, Potassium hydrogen sulphate is an alkali metal compound available from Vaqora Chemicals (Extra Pure grade) with a typical assay of 99%. The compound has the formula HKO4S, corresponding to a molecular weight of 136.17 g/mol. The IUPAC name is potassium hydrogen sulfate. Common synonyms include Potassium bisulfate and Potassium bisulphate.

It is supplied as a white crystalline powder. Reported physical data include a density of 2.24 g/cm3 (20 °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.

Typical applications include materials research and chemical synthesis. 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

Materials research
Chemical synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Potassium hydrogen sulphate, 99%
Catalogue No.	VQ-014030
CAS Number	7646-93-7
IUPAC name	potassium hydrogen sulfate
Molecular formula	HKO₄S
Molecular weight	136.17 g/mol
Exact mass	135.9233
Grade	Extra Pure
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	White crystalline powder
Density	2.24 g/cm3 (20 °C)
H-bond donors / acceptors	1 / 4
TPSA	85.8 Å²
UN number	UN 2509
Synonyms	Potassium bisulfate, Potassium bisulphate, 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

AR

Potassium hydrogen sulphate, GR 99%+

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

VQ-014031

Frequently asked questions

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

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

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

Potassium hydrogen sulphate, 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, 99% can I order?

We supply Potassium hydrogen sulphate, 99% in Extra Pure (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, 99%?

Yes. Every lot of Potassium hydrogen sulphate, 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, 99% be shipped internationally?

Yes. Potassium hydrogen sulphate, 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.