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

Potassium sulphate, GR 99%+

ARAvailable on request

Potassium sulphate, GR 99%+ (CAS 7778-80-5) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 500 g.

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

About Potassium sulphate, GR 99%+

Zemixal supplies Potassium sulphate, GR 99%+ within its inorganic Chemicals, Metals & Advanced Materials portfolio. Identity at a glance (AR): CAS 7778-80-5, formula K2O4S and molar mass 174.26 g/mol. Typical appearance is white crystalline powder.

Where it is used

  • Analytical determinations
  • Molecular biology workflows
  • Protein & peptide research
  • Food & flavour applications

Storage and safety notes

Physical constants on file: melting point 1069 °C and density 2.66 g/cm3 at 20 °C. Classified under GHS with signal word Danger and hazard statements H318. Read the SDS before first use.

Order it in 500 g, 5 kg, 25 kg and 4 x 25 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Analytical determinations
  • Molecular biology workflows
  • Protein & peptide research
  • Food & flavour applications

Applications

Grade guides

Specifications and identifiers

Specifications of Potassium sulphate, GR 99%+
Product namePotassium sulphate, GR 99%+
Catalogue numberZX-013127
CAS number7778-80-5
IUPAC namedipotassium;sulfate
Molecular formulaK2O4S
Molar mass174.26 g/mol
Exact mass173.8791
GradeAR
Purity / assay≥99%
Physical formPowder
AppearanceWhite crystalline powder
Melting point1069 °C
Density2.66 g/cm3 at 20 °C
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
SynonymsDipotassium 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), INS-515(I)

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, GR 99%+
500 gQuoted on request
5 kgQuoted on request
25 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, GR 99%+

Which CAS number identifies Potassium sulphate, GR 99%+?
Potassium sulphate, GR 99%+ is registered under CAS 7778-80-5. You may also see it listed as Dipotassium sulfate, Sulfuric acid dipotassium salt, Arcanum duplicatum. Our catalogue number for this item is ZX-013127.
What are the formula and molar mass of Potassium sulphate, GR 99%+?
For Potassium sulphate, GR 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, GR 99%+?
This listing is AR grade with ≥99% purity. Standard packs are 500 g, 5 kg, 25 kg, 4 x 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Potassium sulphate, GR 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, GR 99%+ to my country?
Yes. Because Potassium sulphate, GR 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.

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