Description
Sodium metasilicate: Industrial chemicals
Sodium metasilicate – is a light, finely crystalline powder, easily soluble in water, and absorbs carbon dioxide and water in air. An aqueous solution has an alkaline reaction. It is the sodium salt of metasilicic acid and is a hydrated sodium silicate. Produced by isohydric crystallization from an alkali-silica solution.
Synonyms: disodium metasilicate, sodium salt of metasilicic acid, sodium silicate
Application:
Sodium metasilicate is used:
- in the production of household and technical detergents, bleaching and cleaning products;
- in the oil industry;
- as a coagulant for the release of regenerating oils during oil refining;
- in the textile industry for bleaching;
- in the metallurgical and mechanical engineering industry in the process of neutralizing the metal surface;
- in the food industry in the process of refining vegetable oil;
- in aqueous processing as a corrosion inhibitor and minor coagulant;
- in everyday life and at work for disinfection of premises, linen, dishes, plumbing;
- in the production of engine coolants;
- in the construction and road construction industries.
Security
Signal word – Danger
Stickers (Pictogram) – GHS05, GHS07
Hazard statements –
H314 – Causes severe skin burns and eye damage.
H335 – May cause respiratory irritation
Precautionary statements –
P260 – Do not breathe dust
P280 – Wear protective gloves/protective clothing/eye protection/face protection/ear protection
P303+P361+P353 – IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse your skin
with water [or shower]
P305+P351+P338 – IF IN EYES: Rinse cautiously with water for several minutes. Delete contact lenses, if available and easy to make. Continue rinsing
P310 – Immediately call a POISON CENTER/doctor.
UN number – UN 3253
Hazard Class – 8
Packing Group – III
