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Alkali Metal Compounds (Li, Na, K, Rb, Cs)

Potassium sulphate, 99%

Extra PureAvailable on request

Buy Potassium sulphate, 99% (CAS 7778-80-5) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Exported from India with full paperwork.

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Potassium sulphate, 99% chemical structure
CAS number7778-80-5
FormulaK2O4S
Molar mass174.26 g/mol
Physical formPowder
HS code28332990
Purity99%
InChIKeyOTYBMLCTZGSZBG-UHFFFAOYSA-L
IUPAC namedipotassium;sulfate

About Potassium sulphate, 99%

Potassium sulphate, 99% sits in our alkali Metal Compounds (Li, Na, K, Rb, Cs) section and ships worldwide from stock or short lead time. For your records (Extra Pure), the material is defined by CAS 7778-80-5, formula K2O4S and molar mass 174.26 g/mol. Expect white powder or crystalline powder.

Use cases we see most often

  • Protein & peptide research
  • Food & flavour applications

Handling and storage

It carries the GHS signal word Danger (H318), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 500 g, 5 kg and 4 x 25 kg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Protein & peptide research
  • Food & flavour applications

Applications

Grade guides

Specifications and identifiers

Specifications of Potassium sulphate, 99%
Product namePotassium sulphate, 99%
Catalogue numberZX-013126
CAS number7778-80-5
IUPAC namedipotassium;sulfate
Molecular formulaK2O4S
Molar mass174.26 g/mol
Exact mass173.8791
GradeExtra Pure
Purity / assay99%
Physical formPowder
AppearanceWhite powder or crystalline powder
H-bond donors / acceptors0 / 4
Topological polar surface area88.6 Ų
HS code28332990
InChIKeyOTYBMLCTZGSZBG-UHFFFAOYSA-L
SMILES[O-]S(=O)(=O)[O-].[K+].[K+]
PubChem CID24507
SynonymsPotassium 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)

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive

Signal word Danger

  • H318Causes serious eye damage

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

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Potassium sulphate, 99%
500 gQuoted on request
5 kgQuoted on request
4 x 25 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Potassium sulphate, 99%

Which CAS number identifies Potassium sulphate, 99%?
Potassium sulphate, 99% is registered under CAS 7778-80-5. You may also see it listed as Potassium sulfate, Dipotassium sulfate, Sulfuric acid dipotassium salt. Our catalogue number for this item is ZX-013126.
What are the formula and molar mass of Potassium sulphate, 99%?
For Potassium sulphate, 99%, its formula is K2O4S and its molar mass is 174.26 g/mol. InChIKey OTYBMLCTZGSZBG-UHFFFAOYSA-L lets you match it in any structure database.
What grade and pack sizes are available for Potassium sulphate, 99%?
This listing is Extra Pure grade with 99% purity. Standard packs are 500 g, 5 kg, 4 x 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Potassium sulphate, 99%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Potassium sulphate, 99% to my country?
Yes. Because Potassium sulphate, 99% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 7778-80-5

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