sodium carbonate CAS 497-19-8

Sodium carbonate CAS 497-19-8

Sodium carbonate is an inorganic compound with a molecular formula of Na2CO3 and a molecular weight of 105.99. It is also called soda ash, but it is classified as salt, not alkali. Also known as soda or soda ash in international trade. It is an important inorganic chemical raw material, mainly used in the production of flat glass, glass products and ceramic glaze. It is also widely used in household washing, acid neutralization and food processing.

Specification

Test items	Heavy	Light
Total alkali content %≥ (based on dry base Na2CO3 mass fraction)	99.2	99.2
Sodium chloride %≤ (based on dry base NaCl mass fraction)	0.70	0.70
Mass fraction of iron (Fe) %≤	0.0035	0.0035
Sulfate (based on dry basis SO4 mass fraction) %≤	0.03	0.03
Mass fraction of water insoluble matter %≤	0.03	0.03
Bulk density ≥	0.90	0.5-0.6
Particle size, 180μm sieve residue %≥	70.0

Application

Used as detergent for wool rinsing, bath salt and medicine, alkali agent in leather tanning.
Used in the food industry as a neutralizer and leavening agent, such as the manufacture of amino acids, soy sauce and pasta foods such as steamed bread and bread. It can also be made into alkaline water and added to pasta to increase elasticity and ductility.
Sodium carbonate can also be used to produce MSG
Color TV special reagents
Anhydrous sodium carbonate is used for chemical and electrochemical degreasing, electroless copper plating, aluminum etching, electrolytic polishing of aluminum and alloys, chemical oxidation of aluminum, sealing after phosphating, rust prevention between processes, and electrolytic removal of chromium Plating and removing chromium oxide film, etc., also used in pre-plating copper, steel plating, steel alloy plating electrolyte
Metallurgical industry is used as smelting flux and flotation agent for ore dressing, steelmaking and antimony smelting are used as desulfurizer.
Used as Water Softener in printing and dyeing industry.
The leather industry is used for degreasing raw hides, neutralizing chrome tanned leather and improving the alkalinity of chrome tanning liquor.

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