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

Potassium carbonate, GR 99.5%+

ARAvailable on request

Buy Potassium carbonate, GR 99.5%+ (CAS 584-08-7) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Purity ≥99.5%.

Pack sizes
Potassium carbonate, GR 99.5%+ chemical structure
CAS number584-08-7
FormulaCK2O3
Molar mass138.21 g/mol
Physical formCrystalline
HS code28364000
Purity≥99.5%
InChIKeyBWHMMNNQKKPAPP-UHFFFAOYSA-L
IUPAC namedipotassium;carbonate

About Potassium carbonate, GR 99.5%+

Zemixal supplies Potassium carbonate, GR 99.5%+ within its inorganic Chemicals, Metals & Advanced Materials portfolio. Key data (AR): CAS 584-08-7, formula CK2O3 and molar mass 138.21 g/mol. Expect white powder to crystals or crystalline powder.

Common uses in the lab and plant

  • Protein & peptide research
  • Materials research

Handling and storage

Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H335. Read the SDS before first use.

Available as 500 g, 5 kg and 4 x 25 kg. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Protein & peptide research
  • Materials research

Applications

Research Labs and Universities

Grade guides

AR Grade (Analytical Reagent)

Specifications and identifiers

Specifications of Potassium carbonate, GR 99.5%+
Product namePotassium carbonate, GR 99.5%+
Catalogue numberZX-013063
CAS number584-08-7
IUPAC namedipotassium;carbonate
Molecular formulaCK2O3
Molar mass138.21 g/mol
Exact mass137.9122
GradeAR
Purity / assay≥99.5%
Physical formCrystalline
AppearanceWhite powder to crystals or crystalline powder
H-bond donors / acceptors0 / 3
Topological polar surface area63.2 Ų
HS code28364000
InChIKeyBWHMMNNQKKPAPP-UHFFFAOYSA-L
SMILESC(=O)([O-])[O-].[K+].[K+]
PubChem CID11430
SynonymsCarbonate of potash, Dipotassium carbonate, Potassium carbonate, anhydrous, Carbonic acid, dipotassium salt, Pearl ash, Salt of tartar, Kalium carbonicum, K-Gran, Potassium carbonate (K2CO3), K2CO3, Potassium carbonate (2:1), Potassium carbonate (K2(CO3))

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

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 carbonate, GR 99.5%+
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 carbonate, GR 99.5%+

Which CAS number identifies Potassium carbonate, GR 99.5%+?
Potassium carbonate, GR 99.5%+ is registered under CAS 584-08-7. You may also see it listed as Carbonate of potash, Dipotassium carbonate, Potassium carbonate, anhydrous. Our catalogue number for this item is ZX-013063.
What are the formula and molar mass of Potassium carbonate, GR 99.5%+?
For Potassium carbonate, GR 99.5%+, its formula is CK2O3 and its molar mass is 138.21 g/mol. InChIKey BWHMMNNQKKPAPP-UHFFFAOYSA-L lets you match it in any structure database.
What grade and pack sizes are available for Potassium carbonate, GR 99.5%+?
This listing is AR grade with ≥99.5% 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 carbonate, GR 99.5%+?
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 carbonate, GR 99.5%+ to my country?
Yes. Because Potassium carbonate, GR 99.5%+ 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 584-08-7

All 6 grades

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