Potassium sulphate, 99%

Name: Potassium sulphate, 99%
Brand: Vaqora Chemicals
SKU: VQ-014068

About Potassium sulphate, 99%

Listed under CAS 7778-80-5, Potassium sulphate is an alkali metal compound available from Vaqora Chemicals in Extra Pure grade at a purity of 99%. With the molecular formula K2O4S, it has a molar mass of 174.26 g/mol. Systematically, it is named dipotassium. Sulfate. Common synonyms include Potassium sulfate and Dipotassium sulfate.

In its supplied form it is a white powder or crystalline powder. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

It is commonly used for protein and peptide research and food and flavour applications. Buyers come mainly from academic and industrial research.

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

Typical applications

Protein & peptide research
Food & flavour applications

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Potassium sulphate, 99%
Catalogue No.	VQ-014068
CAS Number	7778-80-5
IUPAC name	dipotassium;sulfate
Molecular formula	K₂O₄S
Molecular weight	174.26 g/mol
Exact mass	173.8791
Grade	Extra Pure
Purity / assay	99%
HSN code	28332990
InChIKey	OTYBMLCTZGSZBG-UHFFFAOYSA-L
SMILES	[O-]S(=O)(=O)[O-].[K+].[K+]
PubChem CID	24507

Physical properties
Physical form	Powder
Appearance	White powder or crystalline powder
H-bond donors / acceptors	0 / 4
TPSA	88.6 Å²
Synonyms	Potassium sulfate, Dipotassium sulfate, Sulfuric acid dipotassium salt, Arcanum duplicatum, Sulfuric acid, dipotassium salt, Kalium sulphuricum, Tartarus vitriolatus, Kali sulphuricum, Potassium sulfate (K2(SO4)), K2SO4, Sulfuric acid potassium salt (1:2), Potassium (as sulfate)

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H318Causes serious eye damage

Precautionary statements: P264 + P265, P280, P305 + P354 + P338, P317

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 7778-80-5

BP/EP

Potassium sulphate, BP/EP 98.50–101.00%

CAS: 7778-80-5
Formula: K₂O₄S
MW: 174.26 g/mol

VQ-046776

BP/EP/Ph. Eur. / ACS …

Potassium sulphate, BP/EP/Ph. Eur., ACS, AR

CAS: 7778-80-5
Formula: K₂O₄S
MW: 174.26 g/mol

VQ-047241

AR

Potassium sulphate, GR 99%+

CAS: 7778-80-5
Formula: K₂O₄S
MW: 174.26 g/mol

VQ-014069

Frequently asked questions

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

The CAS Registry Number of Potassium sulphate, 99% is 7778-80-5. It is also known as Potassium sulfate, Dipotassium sulfate, Sulfuric acid dipotassium salt.

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

Potassium sulphate, 99% has the molecular formula K2O4S and a molecular weight of 174.26 g/mol.

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

We supply Potassium 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 sulphate, 99%?

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

Yes. Potassium sulphate, 99% is classified as hazardous, 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.