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Potassium hydrogencarbonate

  • Name Potassium hydrogencarbonate
  • EINECS206-059-0
  • CAS No. 298-14-6
  • Density2,17 g/cm3
  • PSA60.36000
  • LogP-1.11230
  • Solubility1 M at 20 °C in water
  • Melting Point292 °C
  • FormulaKHCO3
  • Boiling Point333.6 °C at 760 mmHg
  • Molecular Weight100.115
  • Flash Point169.8 °C
  • Transport InformationN/A
  • Appearancewhite powder or crystals
  • Safety24/25-45-36/37/39-26
  • Risk Codes22-35
  • Molecular Structure
    Molecular Structure of 298-14-6 (Potassium bicarbonate)
  • Hazard SymbolsFlammableF, ToxicT, CorrosiveC, IrritantXi
  • SynonymsFlammableF, ToxicT, CorrosiveC, IrritantXi
  • Article Data83

Potassium hydrogencarbonate Synthetic route

124-38-9

carbon dioxide

201230-82-2

carbon monoxide

584-08-7

potassium carbonate

A

590-29-4

potassium formate

B

583-52-8

potassium oxalate

C

298-14-6

potassium hydrogencarbonate

Conditions
ConditionsYield
In neat (no solvent) High Pressure; 2 h at 380°C; cooling, dissolution in water, addn. of HClO4; HPLC;A 0%
B 1%
C 0.8%
124-38-9

carbon dioxide

584-08-7

potassium carbonate

298-14-6

potassium hydrogencarbonate

Conditions
ConditionsYield
In ethylene glycol; diethylene glycol at 22℃; for 1h;
at 71 - 130℃;
at 71 - 130℃;

uranyl(VI) nitrate

584-08-7

potassium carbonate

A

uranyl hydroxide

B

298-14-6

potassium hydrogencarbonate

Conditions
ConditionsYield
In not given orange red ppte.;;
In not given orange red ppte.;;
7783-06-4

hydrogen sulfide

584-08-7

potassium carbonate

A

potassium hydrosulfide

B

298-14-6

potassium hydrogencarbonate

Conditions
ConditionsYield
In not given
In not given desulfuration of gases under pressure;

potassium hydrosulfide

124-38-9

carbon dioxide

A

7783-06-4

hydrogen sulfide

B

298-14-6

potassium hydrogencarbonate

Conditions
ConditionsYield
In not given

potassium chromate

A

potassium dichromate

B

298-14-6

potassium hydrogencarbonate

Conditions
ConditionsYield
With carbon dioxide; water In water under CO2 pressure;
7758-09-0

potassium nitrite

7748-25-6

potassium chloroacetate

A

75-52-5

nitromethane

B

298-14-6

potassium hydrogencarbonate

Conditions
ConditionsYield
With water In water byproducts: KCl;
With H2O In water byproducts: KCl;

potassium sulfate

calcium carbonate

syngenite

B

298-14-6

potassium hydrogencarbonate

Conditions
ConditionsYield
With carbon dioxide; water In water reactn. of K2SO4 with CaCO3 in presence of H2O and CO2 under pressure at normal or lowered temp.; obtaining KHCO3 in soln. and K2Ca(SO4)2*H2O as bottom compound;;
With carbon dioxide; water In water reactn. of K2SO4 with CaCO3 in presence of H2O and CO2 under pressure at normal or lowered temp.; obtaining KHCO3 in soln. and K2Ca(SO4)2*H2O as bottom compound;;

ammonium carbonate

584-08-7

potassium carbonate

298-14-6

potassium hydrogencarbonate

Conditions
ConditionsYield
In not given 75°C,from concd. K2CO3 soln.,then cooling;
In not given 75°C,from concd. K2CO3 soln.,then cooling;

Potassium hydrogencarbonate Chemical Properties

Molecular Structure:

Molecular Formula: CHKO3
Molecular Weight: 100.1151
IUPAC Name: Potassium hydrogen carbonate
Synonyms of Potassium Bicarbonate (CAS NO.298-14-6): CCRIS 3510 ; Carbonic acid, monopotassium salt ; EINECS 206-059-0 ; EPA Pesticide Chemical Code 073508 ; Monopotassium carbonate ; Potassium acid carbonate ; Potassium hydrogen carbonate ; UNII-HM5Z15LEBN ; Carbonic acid, potassium salt (1:1) ; Potassium hydrogencarbonate
CAS NO: 298-14-6
Classification Code: Pharmaceutic necessity
Product Categories: Iridoids
Melting point: 292 °C 
Flash Point: 169.8 °C
Enthalpy of Vaporization: 63.37 kJ/mol
Boiling Point: 333.6 °C at 760 mmHg
Vapour Pressure: 2.58E-05 mmHg at 25°C 
 Potassium Bicarbonate (CAS NO.298-14-6) bicarbonate is a colorless, odorless, slightly basic, salty substance.

Potassium hydrogencarbonate Uses

 Potassium Bicarbonate (CAS NO.298-14-6) is used as a production of potassium carbonate, potassium acetate, potassium arsenite etc, also used in medicine, food, fire extinguishing agents, etc.

Potassium hydrogencarbonate Production

 Potassium bicarbonateis (CAS NO.298-14-6) manufactured by reacting potassium carbonate with carbon dioxide and water : 
K2CO3 + CO2 + H2O → 2 KHCO3
It occurs as a crystal or a soft white granular powder.

Potassium hydrogencarbonate Safety Profile

Hazard Codes: FlammableF,ToxicT,CorrosiveC,IrritantXi
Risk Statements: 22-35 
R22: Harmful if swallowed. 
R35: Causes severe burns.
Safety Statements: 24/25-45-36/37/39-26 
S24/25: Avoid contact with skin and eyes. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany  1
F: 3
 

 

Potassium hydrogencarbonate Specification

 Potassium Bicarbonate (CAS NO.298-14-6) bicarbonate is very rarely found in its natural form, the mineral called kalicinite.

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