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2D Structure
Also known as: Potassium hydrogen sulfite, 7773-03-7, Potassium;hydrogen sulfite, Sulfurous acid, potassium salt (1:1), Qjk5lo891p, 4429-42-9
Molecular Formula
HKO3S
Molecular Weight
120.17  g/mol
InChI Key
DJEHXEMURTVAOE-UHFFFAOYSA-M
FDA UNII
QJK5LO891P

1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
potassium;hydrogen sulfite
2.1.2 InChI
InChI=1S/K.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+1;/p-1
2.1.3 InChI Key
DJEHXEMURTVAOE-UHFFFAOYSA-M
2.1.4 Canonical SMILES
OS(=O)[O-].[K+]
2.2 Other Identifiers
2.2.1 UNII
QJK5LO891P
2.3 Synonyms
2.3.1 Depositor-Supplied Synonyms

1. Potassium Hydrogen Sulfite

2. 7773-03-7

3. Potassium;hydrogen Sulfite

4. Sulfurous Acid, Potassium Salt (1:1)

5. Qjk5lo891p

6. 4429-42-9

7. Monopotassium Sulfite

8. Kaliumbisulfit

9. Potassium Acid Sulfite

10. Potassium Hydrogensulfite

11. Potassium Bisulphite

12. Potassium Hydrogen Sulphite

13. Sulfite, Potassium Metabi-

14. Unii-qjk5lo891p

15. Potassium Sulfite, Hydrogen

16. Potassium Sulfite (khso3)

17. Ins No.228

18. Dtxsid6064795

19. Potassium Bisulfite [ii]

20. Hsdb 1263

21. Ins-228

22. Potassium Bisulfite [hsdb]

23. Sulfurous Acid, Monopotassium Salt

24. Potassium Bisulfite [mart.]

25. Einecs 231-870-1

26. Akos025293926

27. E-228

28. Q412524

2.4 Create Date
2008-02-05
3 Chemical and Physical Properties
Molecular Weight 120.17 g/mol
Molecular Formula HKO3S
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass119.92834655 g/mol
Monoisotopic Mass119.92834655 g/mol
Topological Polar Surface Area79.6 Ų
Heavy Atom Count5
Formal Charge0
Complexity33.9
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count2
4 Drug and Medication Information
4.1 Minimum/Potential Fatal Human Dose

3. 3= MODERATELY TOXIC: PROBABLE ORAL LETHAL DOSE (HUMAN) 0.5-5 G/KG; BETWEEN 1 OZ AND 1 PINT (OR 1 LB) FOR 70 KG PERSON (150 LB). /SULFITE SALTS/

Gosselin, R.E., H.C. Hodge, R.P. Smith, and M.N. Gleason. Clinical Toxicology of Commercial Products. 4th ed. Baltimore: Williams and Wilkins, 1976., p. II-85


5 Pharmacology and Biochemistry
5.1 Metabolism/Metabolites

FAIRLY LARGE DOSES OF SULFITES CAN BE TOLERATED SINCE THEY ARE RAPIDLY OXIDIZED TO SULFATES... /SULFITES/

Sax, N.I. Dangerous Properties of Industrial Materials. 4th ed. New York: Van Nostrand Reinhold, 1975., p. 1047