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Eka® SC Aqueous

CAS Number
7775-09-9
Chemical Name
Sodium Chlorate
Chemical Family
ChloratesSodium Salts
Molecular Formula
NaClO₃

Eka® SC Aqueous is a sodium chlorate water solution that is a clear, colorless to slightly yellow liquid.

Properties

Physical Form
Liquid

Other characteristics

Brand
Eka
Synonyms
Sodium chlorate (NaClO3)
Note

Eka® SC Aqueous will begin to recrystallize if the temperature drops below 25°C (80°F).

Odor
Odorless
Markets
Industrial
Appearance
Light yellow liquid
HII Features
Excellent Oxidation
Technology
  • Base Chemicals & Intermediates
  • Cleaning Ingredients
Color
Yellow
Applicable Processes
  • Herbicide Manufacturing
  • Mining Applications
  • Pulp Bleaching
  • Surface Treatment
Packaging Information

Eka® SC Aqueous is shipped in bulk tanks. Eka® SC is classified as hazardous material and consequently transportation and packaging design must adhere to the all applicable transportation regulations. Transportation may take place by road, railway, air or sea. Each mode of transport demands specific regulations with special requirements regarding packaging, vehicle and documentation.

Applications Information

Eka® SC (sodium chlorate) is essential to environmentally compatible paper pulp bleaching. It is the functional ingredient in the generation of chlorine dioxide, which, in turn, is the main component in ECF (Elemental Chlorine-Free) bleaching. Up to 95 percent of all sodium chlorate produced worldwide is consumed by the pulp industry. Its second most common use is by the chemical industry where it is used as a precursor in the production of sodium and ammonium perchlorate and sodium chlorite. Sodium chlorate and sodium chlorite are the common precursors to chlorine dioxide, which is used in many water treatment applications. Other common industrial applications for sodium chlorate include as an oxidant in the mining industry for the extraction of uranium and vanadium; in the automotive industry as a surface treatment for metals; it is also used in the Printed Circuit Board industry for the control and replenishment of the cupric chloride etchant. This versatile chemical is utilized in many devices that require an oxygen source (e.g. breathing apparatus).

Base Chemicals Functions
  • Oxidizing Agent
  • Precursor
I&I Cleaning Applications
Bleach
Cleaning Ingredients Functions
Oxidizing Agent
Safety Information

Eka® SC Aqueous is classified as dangerous goods. It is a strong oxidizing agent. Eka® SC Aqueous is stable over time, but evaporation of water from the solution will increase the concentration. Dried and crystalized sodium chlorate is stable at temperatures up to 250°C (482°F). Above this temperature chlorate decomposes and oxygen is liberated. Be aware that sodium chlorate in liquid form is a hazard as well. Sodium chlorate solution is a clear odorless liquid that may become invisible when it dries on any organic material like cloth, leather, paper or wood. All that is required is a spark, minor friction or heat, to ignite. Sodium chlorate in its pure form is not flammable; however, due to the fact it releases oxygen during decomposition, it will act as an extreme combustion accelerant in the presence of flammable materials.

Technical data

Table 1 of 2

1 row
CharacteristicValue
Molecular Weight106.45

Table 2 of 2

5 rows
CharacteristicValueUnit
Sodium Chlorate Content (at 60°C)39.0 - 49.9wt.%
Sodium Chlorate Content500 - 700g/L
Chromium Contentmax. 8ppm
Density1297-1408kg/m³
Viscosity (at 35°C)1.83cP

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