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Potassium carbonate CAS#584-08-7

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  • Potassium carbonate CAS#584-08-7
  • Potassium carbonate CAS#584-08-7
  • Potassium carbonate CAS#584-08-7
  • Potassium carbonate CAS#584-08-7
  • Potassium carbonate CAS#584-08-7

›

Potassium carbonate CAS#584-08-7

High Solubility：in Water – Potassium carbonate dissolves readily in water, forming a strongly alkaline solution suitable for various chemical applications.


Strong Alkalinity：Its aqueous solutions have strong alkaline properties, making it useful in pH regulation, buffering, and industrial processes.


Versatile Physical Forms：Available as a white powder or colorless crystalline solid, allowing flexibility in handling, storage, and formulation.


Chemical Stability in Organic Solvents：Insoluble in organic solvents such as ethanol, which can be advantageous in processes requiring selective solubility.



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Product Description

Product Description of Potassium carbonate CAS#584-08-7

Potassium carbonate (K₂CO₃), also known as potash or pearl ash, is a deliquescent white powder or colorless crystal with a salty taste. It is soluble in water to form a strongly alkaline solution, but insoluble in ethanol and other organic solvents.


Product Application of Potassium carbonate CAS#584-08-7

Potassium carbonate is applied in optical glass manufacturing to improve its transparency, mechanical strength and refractive index. It can be used as a welding rod coating to avoid welding arc interruption. It is also used in vat dyes, as a de-whitening agent in ice dyeing, and as an absorbent for carbon dioxide and hydrogen sulfide. Blended with soda ash, it can be made into dry powder fire extinguishing agents.

Product Information

Parameters


Boiling point108-109°C
density1.22 g/mL at 20 °C (lit.) 1.31 g/mL at 25 °C
vapor pressure23hPa at 19.85℃
refractive index1.35
Fp108-109°C
storage temp.−20°C
solubilityH2O: 1 mg/mL, clear, colorless
formLiquid
pka1.83[at 20 ℃]
colorClear colorless
Specific Gravity1.38 (40%)
Water SolubilityMiscible with water.
Hydrolytic Sensitivity0: forms stable aqueous solutions
Merck144,182
Exposure limitsACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3
Stability:Stable in aqueous solution.
InChI1S/F4Si.2FH/c1-5(2,3)4;;/h;2*1H
InChIKeyAUJBMDCSBIPDEH-UHFFFAOYSA-N
SMILESF.F.F[Si](F)(F)F
CAS DataBase Reference16961-83-4(CAS DataBase Reference)
EPA Substance Registry SystemFluosilicic acid (16961-83-4)


Safety Information


Hazard CodesXn
Risk Statements22-36/37/38-20/21/22
Safety Statements26-36-37/39
RIDADR3262
WGK Germany1
RTECSTS7750000
F3
TSCAYes
PackingGroupIII
HS Code28364000
Hazardous Substances Data584-08-7(Hazardous Substances Data)
ToxicityLD50 orally in rats: 1.87 g/kg, H. F. Smyth et al., Am. Ind. Hyg. Assoc. J. 30, 470 (1969)


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