Sodium Pyrosulfite

Sodium metabisulfite (Na2S2O5) is an inorganic compound, which is white or yellow crystal with a strong pungent smell. It is soluble in water and the aqueous solution is acidic. When it comes in contact with strong acid, it releases sulfur dioxide and generates corresponding salts. If left in the air for a long time, it will be oxidized into sodium sulfate, so sodium metabisulfite cannot be stored for a long time.

Printing and dyeing mordant; antichlor in after fabric bleaching; chemical and medicine reducer and sulfonating agent; bleaching agent of bamboo, wood and paper fiber; nonferrous metal dressing agent; waste water finishing agent; rubber coagulator; alkyl spice aldehyde in spice industry; depilating agent, softening agent and anti-wear agent in leather industry; reducer of developer and protective agent of fixative in sensitization industry.

Preservative, bleaching agent and antioxidant in food industry.
Water treatment as reductant.
Bleaching agent for textile fibers, paper pulps.
Printing and dyeing industry as a dechlorinating agent and cotton scouring agent.
Ore dressing agent in mining industry.
Fixative ingredients in photographic industry.
Production of oral, topical and parenteral pharmaceutical products
Solubilizing and acidifying agent for leather industry.
Rubber industry as coagulator.
Anticorrosion and bleaching treatment in wooden products.
Producing concrete water reducing agents in construction industry.

Máme veľa vysoko kvalitných tovární s hlbokou spoluprácou, ktoré vám môžu poskytnúť vysoko kvalitné produkty a konkurencieschopné ceny. A tiež môžeme poskytnúť zľavy na hromadné nákupy. A spolupracujeme s mnohými profesionálnymi špeditérskymi spoločnosťami, dokážeme doručiť produkty bezpečne a hladko do vašich rúk. Dodacia lehota je cca 3-20 dní po potvrdení platby.

Sodium metabisulfite appears as a white crystalline or powder solid with a slight sulfur odor. Toxic by inhalation. Strongly irritates skin and tissue. Noncombustible, but may decompose to emit toxic oxide fumes of sulfur a sodium when heated to high temperature. A corrosive acid when mixed with water. Used as a food preservative and as a laboratory reagent.

1.It is used as bleaching agent, mordant, reducing agent, rubber coagulant, and also used in organic synthesis, pharmacy, spices, etc
2.It is used as chromatographic analysis reagent, antiseptic and reducing agent, dye and pharmaceutical industry
3.Sodium pyrosulfite has stronger reducibility than sulfite, and its effect is similar to that of sodium sulfite. Our country stipulates that it can be used for candied fruits, biscuits, sugar, crystal sugar, malt sugar, candy, glucose, liquid glucose, bamboo shoots, mushrooms and canned mushrooms, with the maximum use amount of 0.45g/kg. The residue (calculated by SO2) of candied fruits, bamboo shoots, mushrooms and canned mushrooms, grapes and blackcurrant concentrated juice is less than 0.05/kg; The residue of biscuits, sugar, vermicelli and other varieties is less than 0.1g/kg; The residual amount of liquid glucose shall not exceed 0.2g/kg.
4.Food industry is used as bleach, antiseptic, loose agent, antioxidant, color fixative and fresh-keeping agent.

1. Ste továreň alebo obchodná spoločnosť?
Sme spoločnosť integrujúca priemysel a obchod a poskytujeme komplexné služby. OEM môžu byť akceptované.

2. Poskytujete vzorky? Je to zadarmo alebo extra?
Vzorky zadarmo. Poplatok za dopravu vzorky je potrebné zaplatiť na vašej strane.

3. Máte nejaké certifikáty týkajúce sa kontroly kvality?
Certifikácia ISO 9001:2008 na zabezpečenie kvality.

4. Čo by som mal poskytnúť, aby som dostal cenovú ponuku?
Pls, informujte nás o type produktu, ktorý potrebujete, množstve objednávky, adrese a špecifických požiadavkách. Cenová ponuka bude pre vašu referenciu vykonaná včas.

5. Aký spôsob platby uprednostňujete? Aké podmienky sú akceptované?
Akceptované dodacie podmienky: FOB, CFR, CIF, EXW;
Akceptovaná mena platby:USD;
Akceptovaný typ platby: T/T, Western Union; Paypal, Trade Assurance.
Jazyk, ktorým sa hovorí: angličtina.