Sodium pyrosulfite molecular formula Na2S2O5.Appearance and properties is colorless prismatic crystal or white powder;Sulfur dioxide smell, acid, salty;Store for a long time with gradual yellowing.Conditions to avoid is moist air.It is widely used in dyestuff, pharmacy, food and medicine industries.
Name | Sodium metabisulfite / Sodium pyrosulfite |
Molecular weight | 190.11 |
Molecular formula | Na2S205 |
Melting point | 150 °C |
Density | 1.48 |
Storage conditions | avoid moist air |
Solubility | 540 g/L (20°C) |
Susceptibility | Air & Moisture Sensitive |
Forbidden compound | Strong acid, strong oxidant |
The application of sodium metabisulfite.
1.Used in medicine when producing chloroform,solasulfone and methnylal.
2.Used as coagulant in rubber industry.
3.Used as dechlorided agent or assistants in printing and dyeing industry.
4.Used to improve leather properties inleather industry.
5.Used as developing agent inphotosensitivity industry.
6.Used when producing hydroxyl geranial,hydrochloric hydroxylamine inchemical industry.
7.Used as bleaching agent, antiseptics antioxidant, ect in food industry.
25 kgs/ bag ;
750 kgs/bag ;
1250 kgs/bag ;
Or according to your requirement.
YINGO Group – HENAN YINGO TECHNOLOGY CO.,LTD., which was officially established in 1992, was formerly a State-owned enterprise mainly engaged in the manufacturing of chemical products, used principally as finished products or raw materials in the food additives, plastics, paints, detergent, plastic, and so on.
Providing quality products is the responsibility HenanYingo.Superior and steady quality, good after-sales service, competitive price and perfect consulting and technical systems will make us sincere friends and win-win partners.
Q1: Are you a manufacturer?
A: Yes, We are professional manufacturer involved in this field more than 15 years.
Q2: What's your MOQ?
A: Normally, our MOQ is 1 FCL, but we could apply less quantity if customers have special requirements on quantity, just the price for LCL will be a little higher than FCL.
Q3. How can I get the new price of a product?
A: Please provide the exact or approximate quantity, packing details, destination port or special requirements, then we could give you the price accordingly.
Q4: How can I get a sample?
A: We can provide free samples for your test, but samples freight should be paid by your side.
Q5. How do you garantee the quality?
A: First of all, our quality control will reduce the quality problem to near zero. When the production is finished, they'll take samples from every batch of cargo, and send to our lab for inspection. After passed the inspection, then we will arrange the delivery.
Q6. How about your after-sale service ?
A: If any technical or quality problem after you receive the cargo, you can contact us any time. If the problem caused by us, we will send you free goods for replacement or refund your loss.
