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Sodium Chlorite

Sodium Chlorite

Basic Information

CAS No.: 7758-19-2
Molecular Formula: ClNaO2
Molecular Weight: 90.44

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Product Details

Sodium chlorite is an inorganic compound with the chemical formula NaClO₂. At room temperature, it appears as a white or slightly yellowish-green crystalline powder. Primarily used as a bleaching agent, disinfectant, and decolorizing agent, it is classified as an oxidizing hazardous chemical; it possesses a certain level of toxicity to humans and must be stored and used in strict accordance with safety regulations.


Chemical Properties
PropertyValue

Melting point

190 °C

Density

2.1

Form

Granules

Color

White to light yellow

Water Solubility

soluble in 2 parts H2O, 1 part boiling H2O; decomposes in alcohol to sodium sulfate and H2SO4 [MER06]

Sensitive

Hygroscopic

Merck

13,8658

Stability:

Stable. Incompatible with strong bases, strong oxidizing agents, sodium carbonate, sodium hypochlorite. May decompose upon exposure to moist air or water.

InChI

InChI=1S/Na.H2O4S.H/c; 1-5(2,3)4;/h;(H2,1,2,3,4);

InChIKey

TTXJTWGBBUPRBF-UHFFFAOYSA-N

SMILES

S(O)(O)(=O)=O.[NaH]

CAS DataBase Reference

7758-19-2(CAS DataBase Reference)

EPA Substance Registry System

Sodium bisulfate (7758-19-2)


Safety Information

PropertyValue

Hazard Codes

Xi

Risk Statements

41

Safety Statements

24-26

RIDADR

3260

WGK Germany

1

RTECS

VZ1860000

F

3

TSCA

Yes

HazardClass

8

PackingGroup

II

HS Code

28331900



Product Usage

Sodium Chlorite is a highly efficient oxidizing and bleaching agent that plays an irreplaceable role in modern industrial hygiene and production. In the paper and textile industries, it serves as a core chemical for bleaching wood pulp, cotton, and fibers, providing superior whiteness without compromising fiber strength. In the field of water treatment, it is the primary precursor for generating Chlorine Dioxide ($ClO_{2}$), widely used for drinking water disinfection, algae control in industrial cooling systems, and sterilization of food processing equipment. Additionally, sodium chlorite excels in leather processing, metal surface treatment, and as a disinfectant and deodorizer in medical and healthcare applications.

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