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Soda technical

CAS №497-19-8 ГОСТGOST 5100-85
ФормулаNa2CO3 СортGrade B
СинонимыSodium carbon dioxide, sodium carbonate Фасовка26 kg


Technical soda ash (sodium carbonate) is for chemical, glass, electronics, paper and other industries.

Depending on the purpose of technical soda ash it is manufactured in grades A and B. Grade A product is used to produce diode glass and other purposes, B grade — chemical, glass and other industries.

Safety requirements

Technical soda ash is a substance of third risk class.


Technical grade A soda ash is packed in special soft disposable containers, four-, five-layer paper bags

Guaranteed shelf life

Product grade A — 3 months, B grade — 6 months from the date of manufacture of the product, packaged in a special soft containers — 5 years from date of manufacture.

Item Norm
Premium First Second Premium First Second
Appearance White pellets White powder
Mass fraction of sodium carbonate, %, not less 99.4 99.0 98.5 99.4 99.0 99.0
Mass fraction of sodium carbonate in terms of non-calcined product, %, not less 98.7 98.2 97.0 98.9 98.2 97.5
Mass fraction of the loss on ignition at 270-300 °C, %, not more 0.7 0.8 1.5 0.5 0.8 1.5
Mass fraction of chlorides as NaCl, %, not more 0.2 0.5 0.8 0.4 0.5 0.8
Total iron as Fe2O2, %, not more 0.003 0.005 0.008 0.003 0.003 0.008
Mass fraction of water-insoluble substances, %, not more 0.04 0.04 0.08 0.03 0.04 0.08
Mass fraction of sulfate in terms of Na2SO4, %, not more 0.04 0.05 0.04 0.05
Bulk density, g/cm³, not less 1.1 0.9 0.9
Particle size:

residue on sieve number 2R GOST 6613-86. %, not more

passing through a sieve with mesh № 1. 25K GOST 6613-86. %, not more

residue on sieve № 1K GOST 6613-86. %, not more

passing through a sieve the mesh number 01K, 25K GOST 6613-86. %, not more










Magnetic inclusions larger than 0.25 mm The absence
Class of danger
Basic properties and hazards
Basic properties Granules or white powder, soluble in water.
Explosion and fire Will Not explode, non-flammable.
The risk to humans Inhalation of dust may cause respiratory tract irritation and conjunctivitis. After prolonged use with solutions eczema is possible. A concentrated solution in contact with the eyes can cause burns, neurosis, and later — clouding of the cornea. Caustic when wet.
Individual protection means Respirator type SB-1 "petal", cotton-gauze bandage, safety glasses, protective clothing.