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2D Structure
Also known as: 7758-19-2, Chlorous acid, sodium salt, Textone, Sodium;chlorite, Chlorite sodium, Naclo2
Molecular Formula
ClNaO2
Molecular Weight
90.44  g/mol
InChI Key
UKLNMMHNWFDKNT-UHFFFAOYSA-M
FDA UNII
G538EBV4VF

Used as an agent for cleaning drinking water. It is also used as an additive in products like toothpaste and mouthwash. Acidified sodium chlorite was approved by the U.S. Food and Drug Administration as of 2004, as an anti-microbial agent which is non-toxic, but not as a drug.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
sodium;chlorite
2.1.2 InChI
InChI=1S/ClHO2.Na/c2-1-3;/h(H,2,3);/q;+1/p-1
2.1.3 InChI Key
UKLNMMHNWFDKNT-UHFFFAOYSA-M
2.1.4 Canonical SMILES
[O-]Cl=O.[Na+]
2.2 Other Identifiers
2.2.1 UNII
G538EBV4VF
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Chlorite

2.3.2 Depositor-Supplied Synonyms

1. 7758-19-2

2. Chlorous Acid, Sodium Salt

3. Textone

4. Sodium;chlorite

5. Chlorite Sodium

6. Naclo2

7. G538ebv4vf

8. Chebi:78667

9. Sodium Chlorite (water Disinfection Byproducts)

10. Textile

11. Alcide Ld

12. Neo Silox D

13. Caswell No. 755

14. Sodiumchlorite

15. Ccris 1426

16. Hsdb 733

17. Chlorite (sodium Salt)

18. Einecs 231-836-6

19. Un1496

20. Unii-g538ebv4vf

21. Epa Pesticide Chemical Code 020502

22. Chlorous Acid, Sodium Salt (1:1)

23. Nao2cl

24. Dsstox_cid_1272

25. Ec 231-836-6

26. Dsstox_rid_76050

27. Dsstox_gsid_21272

28. Sodium Chlorite [mi]

29. Sodium Chlorite [hsdb]

30. Sodium Chlorite [iarc]

31. Sodium Chlorite [inci]

32. Chembl1887585

33. Dtxsid8021272

34. Sodium Chlorite [who-dd]

35. Tox21_302800

36. Mfcd00003478

37. Akos015843819

38. Db13210

39. Ncgc00091419-01

40. Ncgc00256359-01

41. Sodium Chlorite [un1496] [oxidizer]

42. Cas-7758-19-2

43. Ft-0695293

44. C19523

45. Q411294

2.4 Create Date
2008-02-05
3 Chemical and Physical Properties
Molecular Weight 90.44 g/mol
Molecular Formula ClNaO2
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass89.9484512 g/mol
Monoisotopic Mass89.9484512 g/mol
Topological Polar Surface Area40.1 Ų
Heavy Atom Count4
Formal Charge0
Complexity13.5
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 Therapeutic Uses

/VET/ Sodium chlorite is used in veterinary medicine as a medical disinfectant in post-milking teat dip products used topically for the control of mastitis in dairy cattle.

European Medicines Agency (EMEA), The European Agency for the Evaluation of Medicinal Products, Veterinary Medicines Evaluation Unit, Committee for Veterinary Medicinal Products; Sodium Chlorite, Summary Report. Available from, as of July 29, 2008: https://www.emea.europa.eu/pdfs/vet/mrls/sodiumchlorite.pdf


5 Pharmacology and Biochemistry
5.1 ATC Code

D - Dermatologicals

D03 - Preparations for treatment of wounds and ulcers

D03A - Cicatrizants

D03AX - Other cicatrizants

D03AX11 - Sodium chlorite


5.2 Absorption, Distribution and Excretion

... The dermal absorption /was reported on/ Alcide, an antimicrobial compound consisting of solutions of sodium chlorite and lactic acid, which when mixed immediately before use result in the formation of chlorine dioxide. 0.6 g (36)Cl-labeled sodium chlorite as part of the Alcide was used to monitor absorption following application to the shaved backs of 10 female Sprague-Dawley rats. Maximum absorption of (36)Cl into plasma was observed after 72 hours, where a plasma concentration of 69.4 ug% (36)Cl was reached. The absorption half-life was calculated to be 22.1 hours, which corresponds to a rate constant of 0.0314 hr-1. /Alcide/

USEPA; TOXICOLOGICAL REVIEW OF CHLORINE DIOXIDE AND CHLORITE (CAS Nos. 10049-04-4 and 7758-19-2) In Support of Summary Information on the Integrated Risk Information System (IRIS) p.4 (September 2000) EPA/635/R-00/007. Available from, as of July 31, 2008: https://cfpub.epa.gov/ncea/iris/index.cfm?fuseaction=iris.showSubstanceList


... Sodium chlorite /was/ shown to be well absorbed by the oral route in rats, by using radiolabelled compound (Cmax 1-2 hours). ... The main route of excretion ... appeared to be via the kidneys, predominantly as chloride (32% of the dose at 72 hours), with some chloride (32% of the dose at 72 hours) and a little chlorate (0.73% of the dose at 72 hours). ... 83% of the recovered dose was found in urine, and 13% in feces. ...

European Medicines Agency (EMEA), The European Agency for the Evaluation of Medicinal Products, Veterinary Medicines Evaluation Unit, Committee for Veterinary Medicinal Products; Sodium Chlorite, Summary Report. Available from, as of July 29, 2008: https://www.emea.europa.eu/pdfs/vet/mrls/sodiumchlorite.pdf