CAS 7681-57-4 Sodium Metabisulfite
- CAS:7681-57-4
- Alias:Disodium disulphite
- EINECS:231-673-0
- Molecular Formula:Na2S2O5
- Quality Standard:98%min
- Packing:25 kg/bag or as per request
- Factory Site:Portugal
- Mininmum Order:1 kg
Product name: Sodium Metabisulfite (Industrial grade or food grade)
Molecular formula: Na2S2O5；
Appearance: white or slightly yellow crystalline powder；
Specifications of industrial grade Sodium Metabisulfite
Project | Indicators |
Content(Na2S2O5), ω /% | ≥ 96.0 |
Iron(Fe), ω /% | ≤ 0.005 |
Insoluble matter in water | pass |
Heavy metal(Pb), ω /% | ≤ 0.05 |
Arsenic(As), ω /% | ≤ 0.0001 |
Specification of food grade Sodium Metabisulfite
Project | Indicators |
Content(Na2S2O5), ω /% | ≥ 96.5 |
Iron(Fe), ω /% | ≤ 0.003 |
Insoluble matter in water | pass |
Heavy metal(Pb), ω /% | ≤ 0.0005 |
Arsenic(As), ω /% | ≤ 0.0001 |
Usage
– Bleaching agent in the food industry: Such as maintaining the oxygen in the vegetable dehydration; bleaching and maintaining the freshness of stored fruits like plum, orange, mango, olive, tremella fuciformis, dried bamboo shoots, sweet potato, peanut, mushroom, etc.
– Preservatives: Anticorrosion and sterilizing in the production of glazed fruit, canned food, beer and beverages.
– Osteoporosis agent: Reducing the toughness of gluten and making cookies crisp.
– Used as a mordant dyeing,fabric antichlor after bleaching,paper fiber bleaching agents,chemical medicine by reducing agent and sulfonating agent,non-ferrous metal ore-dressing agent,waste water treatment agent,tanning agent for leather industries,natural rubber coagulant,additiver for building materials.
Packing
25kg or 1100kg/bag
