Description
Sodium metabisulfite or sodium pyrosulfite (IUPAC spelling; Br. E.
sodium metabisulphite or sodium pyrosulphite) is an inorganic
compound of chemical formula Na2S2O5. The substance is sometimes
referred to as disodium (metabisulfite, etc.). It is used as a
disinfectant, antioxidant and preservative agent.
Application:
Food Grade: Bleach agent (e.g. candies, cake, bamboo shoots, etc);
Loose agent (e.g. bread, cracker etc); Antiseptic and germicide
(e.g. fruit juice, tinned food, brews, the cereals food is defended
storage etc); Inhibitor and freshen agent (e.g. day lily, seafood,
fruit and vegetable etc).
Industry Grade: Mordant of printing and dyeing; Dechlorinate of
textile after bleaching; Sulphonated agent and reducer of chemical
industry and pharmacy; Bleach of paper pulp, bamboo and timber
bleach of Stap; Treatment agent of waste water; Rubber solidifying
agent Perfume industry is served as hydro carbon perfume
aldehyde.
CAS No.:********4
EINECS No.:********0
Specification:
Appearance:white or slightly yellow crystalline powder;Content:min
*8%;SO2:min *5%;Na2S2O4:max 2%;insolubles in water:max
0.*5%;Particle size:*5%(mesh **0);PH:4.**5.5;Fe:max 5ppm;Heavy
metal:max *0ppm;As:max 1ppm