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ChemicalBook >> CAS DataBase List >> Potassium carbonate

Potassium carbonate

Potassium carbonate price.
  • $5 - $8000
  • Product name: Potassium carbonate
  • CAS: 584-08-7
  • MF: K2CO3
  • MW: 138.21
  • EINECS:209-529-3
  • MDL Number:MFCD00011382
  • Synonyms:POTASSIUMCARBONATE,ANHYDROUS,GRANULAR,FCC;POTASSIUMCARBONATE,ANHYDROUS,GRANULAR,PURIFIED;POTASSIUMCARBONATE,ANHYDROUS,GRANULAR,REAGENT,ACS;POTASSIUMCARBONATE,ANHYDROUS,GRANULAR,REAGENT,ACS(BULK;POTASSIUMCARBONATE,ANHYDROUS,GRANULAR,USP;POTASSIUM CARBONATE: 99.998% PURATREM;Potassium carbonate,99+%,for analysis,anhydrous;Potassium Carbonate, Puratronic (Metals Basis)
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  • Manufactureraablocks
  • Product numberAA0035FI
  • Product descriptionPotassium Carbonate 99%
  • Packaging250g
  • Price$10
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0035FI
  • Product descriptionPotassium Carbonate 99%
  • Packaging500g
  • Price$13
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0035FI
  • Product descriptionPotassium Carbonate 99%
  • Packaging25kg
  • Price$381
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0035FI
  • Product descriptionPotassium Carbonate ≥99%(Assaybytitration)
  • Packaging10kg
  • Price$164
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0035FI
  • Product descriptionPotassium Carbonate ≥99%(Assaybytitration)
  • Packaging5kg
  • Price$105
  • Updated2026-05-28
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  • ManufacturerAK Scientific
  • Product number1420AP
  • Product descriptionPotassium carbonate 10% w/v solution in water (+/-0.3%)
  • Packaging4L
  • Price$190
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product number1420AP
  • Product descriptionPotassium carbonate 10% w/v solution in water (+/-0.3%)
  • Packaging1L
  • Price$110
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product number1421AP
  • Product descriptionPotassium carbonate 5% w/v solution in water (+/-0.3%)
  • Packaging4L
  • Price$170
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberS259
  • Product descriptionPotassium carbonate, granular 99%
  • Packaging25g
  • Price$16
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product number9950AL
  • Product descriptionPotassium carbonate, anhydrous powder ~325 mesh 99%
  • Packaging25g
  • Price$18
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberS259
  • Product descriptionPotassiumcarbonate,anhydrous,granular
  • Packaging25g
  • Price$11
  • Updated2021-12-16
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  • ManufacturerAK Scientific
  • Product number1419AP
  • Product descriptionPotassium carbonate, granular, ACS reagent 99.0%min.
  • Packaging100g
  • Price$27
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product number1419AP
  • Product descriptionPotassium carbonate, granular, ACS reagent 99.0%min.
  • Packaging25g
  • Price$18
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product number1420AP
  • Product descriptionPotassium carbonate 10% w/v solution in water (+/-0.3%)
  • Packaging100mL
  • Price$30
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product number1421AP
  • Product descriptionPotassium carbonate 5% w/v solution in water (+/-0.3%)
  • Packaging100mL
  • Price$28
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product number1422AP
  • Product descriptionPotassium carbonate solution, 47% in water
  • Packaging100g
  • Price$28
  • Updated2026-06-04
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Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0035FI Potassium Carbonate 99% 250g $10 2026-05-28 Buy
aablocks AA0035FI Potassium Carbonate 99% 500g $13 2026-05-28 Buy
aablocks AA0035FI Potassium Carbonate 99% 25kg $381 2026-05-28 Buy
aablocks AA0035FI Potassium Carbonate ≥99%(Assaybytitration) 10kg $164 2026-05-28 Buy
aablocks AA0035FI Potassium Carbonate ≥99%(Assaybytitration) 5kg $105 2026-05-28 Buy
AK Scientific 1420AP Potassium carbonate 10% w/v solution in water (+/-0.3%) 4L $190 2026-06-04 Buy
AK Scientific 1420AP Potassium carbonate 10% w/v solution in water (+/-0.3%) 1L $110 2026-06-04 Buy
AK Scientific 1421AP Potassium carbonate 5% w/v solution in water (+/-0.3%) 4L $170 2026-06-04 Buy
AK Scientific S259 Potassium carbonate, granular 99% 25g $16 2026-06-04 Buy
AK Scientific 9950AL Potassium carbonate, anhydrous powder ~325 mesh 99% 25g $18 2026-06-04 Buy
AK Scientific S259 Potassiumcarbonate,anhydrous,granular 25g $11 2021-12-16 Buy
AK Scientific 1419AP Potassium carbonate, granular, ACS reagent 99.0%min. 100g $27 2026-06-04 Buy
AK Scientific 1419AP Potassium carbonate, granular, ACS reagent 99.0%min. 25g $18 2026-06-04 Buy
AK Scientific 1420AP Potassium carbonate 10% w/v solution in water (+/-0.3%) 100mL $30 2026-06-04 Buy
AK Scientific 1421AP Potassium carbonate 5% w/v solution in water (+/-0.3%) 100mL $28 2026-06-04 Buy
AK Scientific 1422AP Potassium carbonate solution, 47% in water 100g $28 2026-06-04 Buy

Properties

Melting point :891 °C (lit.)
Boiling point :decomposes [STR93]
Density :2.43 g/mL at 25 °C
bulk density :750kg/m3
storage temp. :Store at +5°C to +30°C.
solubility :H2O: 1 M at 20 °C, clear, colorless
pka :10.33[at 20 ℃]
form :powder
color :Yellow
Specific Gravity :2.29
PH :10.52(1 mM solution);11(10 mM solution);11.36(100 mM solution);
Odor :at 100.00%. odorless
Water Solubility :1120 g/L (20 ºC)
Sensitive :Hygroscopic
λmax :λ: 260 nm Amax: 0.03
λ: 280 nm Amax: 0.02 Merck :14,7619
BRN :4267587
Dielectric constant :5.6(16.0℃)
Stability :Stable. Incompatible with moisture, acids, magnesium bromine trifluoride and magnesium bromine trichloride.
Cosmetics Ingredients Functions :BUFFERING
InChI :1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
InChIKey :BWHMMNNQKKPAPP-UHFFFAOYSA-L
SMILES :[K+].[K+].[O-]C([O-])=O
CAS DataBase Reference :584-08-7(CAS DataBase Reference)
NIST Chemistry Reference :Dipotassium carbonate(584-08-7)
EPA Substance Registry System :Potassium carbonate (584-08-7)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Potassium carbonate (molecular formula: K2CO3), also known as potash or pearl ash, appears as a white powder or as colorless solid crystal with salty taste and deliquescence. It can be dissolved in water to form a strongly alkaline solution. However, it is insoluble in organic solvents such as ethanol. It has wide applications. For example, it can be used as a drying agent, buffering agent and a source of potassium in laboratory. It can also be used for the manufacturing of fire extinguishers, soap, glass, and soften water. In addition, it is also used during the production of cocoa powder to balance pH. Moreover, it can be supplied to effervescent tablets which can conveniently provide potassium when there are low levels of potassium in the blood for patients caused by various kinds of factors. In industry, potassium carbonate is manufactured though first performing electrolysis of potassium chloride to generate potassium hydroxide, followed by reaction with carbon dioxide to derive the product. It is toxic upon eye contact, inhalation and ingestion. For rats, it has an oral LD50 being 1870 mg/kg. It has chronic effects on humans, causing damage to the mucous membranes, skin, and eyes.

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