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2D Structure
Also known as: 584-08-7, Dipotassium carbonate, Potassium carbonate, anhydrous, Carbonic acid, dipotassium salt, Carbonate of potash, Pearl ash
Molecular Formula
CK2O3
Molecular Weight
138.205  g/mol
InChI Key
BWHMMNNQKKPAPP-UHFFFAOYSA-L
FDA UNII
BQN1B9B9HA

Potassium carbonate (K2CO3) is a white salt, soluble in water (insoluble in ethanol) which forms a strongly alkaline solution. It can be made as the product of potassium hydroxide's absorbent reaction with carbon dioxide. It presents a large capacity to absorb moisture.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
dipotassium;carbonate
2.1.2 InChI
InChI=1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
2.1.3 InChI Key
BWHMMNNQKKPAPP-UHFFFAOYSA-L
2.1.4 Canonical SMILES
C(=O)([O-])[O-].[K+].[K+]
2.2 Other Identifiers
2.2.1 UNII
BQN1B9B9HA
2.3 Synonyms
2.3.1 MeSH Synonyms

1. K2co3

2. Potassium Carbonate Sesquihydrate

2.3.2 Depositor-Supplied Synonyms

1. 584-08-7

2. Dipotassium Carbonate

3. Potassium Carbonate, Anhydrous

4. Carbonic Acid, Dipotassium Salt

5. Carbonate Of Potash

6. Pearl Ash

7. Salt Of Tartar

8. Potassiumcarbonate

9. Dipotassium;carbonate

10. Kaliumcarbonat

11. Potassium Carbonate (k2co3)

12. Bqn1b9b9ha

13. K2co3

14. Mfcd00011382

15. Kalium Carbonicum

16. Potassium Carbonate Anhydrous

17. K-gran

18. Caswell No. 685

19. Kaliumcarbonat [german]

20. Potassium Carbonate (2:1)

21. Ccris 7320

22. Hsdb 1262

23. Potassium Carbonate (k2(co3))

24. Einecs 209-529-3

25. Unii-bqn1b9b9ha

26. Potassium Carbonate [usp]

27. Epa Pesticide Chemical Code 073504

28. Kali Carbonicum

29. Potasiumcarbonate

30. Potassiumcarbonat

31. Dcad Plus

32. Potasium Cabonate

33. Potasium Carbonate

34. Potassium Cabonate

35. Potassium Carbonat

36. Potassium-carbonate

37. Potassium Carbon Ate

38. Potassium Carbon-ate

39. Potassium Carbonate-

40. Racol (tn)

41. Potassium Carbon- Ate

42. Schembl852

43. Ec 209-529-3

44. Potassium Potassium Carbonate

45. Potassium Carbonate Fcc/usp

46. Potassium Carbonate Nanopowder

47. Potassium Carbonate - Granular

48. Kali Carbonicum [hpus]

49. Chembl2105894

50. Dtxsid2036245

51. Ins No.501(i)

52. Potassium Carbonate [ii]

53. Potassium Carbonate [mi]

54. Potassium Carbonate [jan]

55. Chebi:131526

56. Potassium Carbonate (jp17/usp)

57. Ins-501(i)

58. Potassium Carbonate [hsdb]

59. Potassium Carbonate [inci]

60. Potassium Carbonate [vandf]

61. Potassium Carbonate, Ar, >=99%

62. Potassium Carbonate, Lr, >=99%

63. Potassium Carbonate [mart.]

64. Potassium Carbonate - Drilling Grade

65. Potassium Carbonate [usp-rs]

66. Potassium Carbonate [who-dd]

67. Akos009031298

68. Akos015903268

69. Carbonic Acid, Potassium Salt (1:2)

70. Db13977

71. E-501(i)

72. Potassium Carbonate [ep Monograph]

73. Potassium Carbonate Granular, Acs Reagent

74. Potassium Carbonate, Bioxtra, >=99.0%

75. Potassium Carbonate [usp Monograph]

76. Potassium Carbonate Solution, 47% In Water

77. Potassium Carbonate, Reagentplus(r), 99%

78. Ft-0689087

79. P1748

80. Potassium Carbonate, Acs Reagent, >=99.0%

81. Potassium Carbonate,anhydrous Powder 325 Mesh

82. D02038

83. Potassium Carbonate, Saj First Grade, >=99.5%

84. Potassium Carbonate, 99.995% Trace Metals Basis

85. Potassium Carbonate, Jis Special Grade, >=99.5%

86. Potassium Carbonate, P.a., Acs Reagent, 99.0%

87. Q379885

88. Potassium Carbonate, Vetec(tm) Reagent Grade, 98%

89. Potassium Carbonate, Meets Usp Testing Specifications

90. Pear Ash, Potash-hydrated Potassium Carbonate In Solution

91. Potassium Carbonate, Bioultra, Anhydrous, >=99.0% (t)

92. Potassium Carbonate 10% W/v Solution In Water (+/-0.3%)

93. Potassium Carbonate 5% W/v Solution In Water (+/-0.3%)

94. Potassium Carbonate, Reagent Grade, >=98%, Powder, -325 Mesh

95. Potassium Carbonate, Anhydrous, Powder, 99.99% Trace Metals Basis

96. Potassium Carbonate, Granular, Anhydrous Trace Metals Grade, 99.99%

97. Potassium Carbonate, Puriss. P.a., Acs Reagent, Anhydrous, >=99.0% (t)

98. Potassium Carbonate, United States Pharmacopeia (usp) Reference Standard

99. Potassium Carbonate, Anhydrous, Free-flowing, Redi-dri(tm), Acs Reagent, >=99%

100. Potassium Carbonate, Anhydrous, Free-flowing, Redi-dri(tm), Reagentplus(r), 99%

101. Potassium Carbonate, P.a., Acs Reagent, Reag. Iso, Reag. Ph. Eur., 99.0%

102. Potassium Carbonate, Anhydrous, Free-flowing, -325 Mesh, Redi-dri(tm), Reagent Grade, >=98%

103. Potassium Carbonate, Meets Analytical Specification Of Ph. Helv., Puriss., Anhydrous, Granulated, 99-101% (calc. To The Dried Substance)

2.4 Create Date
2005-06-24
3 Chemical and Physical Properties
Molecular Weight 138.205 g/mol
Molecular Formula CK2O3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Exact Mass137.91215683 g/mol
Monoisotopic Mass137.91215683 g/mol
Topological Polar Surface Area63.2 Ų
Heavy Atom Count6
Formal Charge0
Complexity18.8
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count3
4 Drug and Medication Information
4.1 Therapeutic Uses

MEDICATION (VET): EXPTL IN SHEEP FEEDS TO REDUCE INCIDENCE OF URINARY CALCULI.

Rossoff, I.S. Handbook of Veterinary Drugs. New York: Springer Publishing Company, 1974., p. 471


ALKALIZER; DIURETIC AGENT

The Merck Index. 9th ed. Rahway, New Jersey: Merck & Co., Inc., 1976., p. 990


MEDICATION (VET): DEGREASING AGENT, KERATIN SOFTENER

Rossoff, I.S. Handbook of Veterinary Drugs. New York: Springer Publishing Company, 1974., p. 47


For the temporary relief of symptoms due to constipation: abdominal bloating, abdominal discomfort, irregularity of bowel movements. ... Disclaimer: This homeopathic product has not been evaluated by the Food and Drug Administration for safety or efficacy. FDA is not aware of scientific evidence to support homeopathy as effective.

US Natl Inst Health; DailyMed. Current Medication Information for GUNA-BOWEL solution/ drops (March 2010). Available from, as of February 24; 2011: https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?id=35530&CFID=55487510&CFTOKEN=245e1f8f4d81dce0-5FF4B3EE-CC3A-992F-5E755E9D27611217&jsessionid=ca30742121f0d65b4471