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Water Treatment Metabisulfite Na2s2o5 Sodium Pyrosulfite
Sodium pyrosulfite is a white or yellow crystalline powder or small crystal with strong SO2 odor and specific gravity of 1.4. It is soluble in water and acidic in aqueous solution. When exposed to strong acid, it emits SO2 to form corresponding salts. When exposed to air for a long time, it oxidizes to Na 2S 2O 6, so the product can not last long. Above 150 degrees Celsius, SO 2 is decomposed.
Dezhou Kevin Group Work Win Co., Ltd.. (the Company), located in dezhou City, Shandong Province, was founded in 2003, and it is a raw material supplier for the global organic chemical industry.The Company also participates in the production of small quantity of high value-added chemicals and intermediates.
Our products include solvents, antifreeze, preservatives, pigment, chemicals intermediates, etc., widely used in agriculture, medicine, food sanitation and other fields
Sodium bicarbonate is white crystal, or opaque monoclinic crystal system fine crystal.The proportion of 2.15.Odorless, non-toxic, salty taste, soluble in water, slightly soluble in ethanol.25 ℃ water soluble in October, when the water soluble in December when he was about 18 ℃.Its aqueous solution is slightly alkaline by hydrolysis, stable in the normal temperature properties, heat decomposition, decomposition gradually in more than 50 ℃, was completely out of co2 at 270 ℃, no change in the dry air, slow deliquescence in moist air.
Component | Range | Typical |
Assay(Na2S2O5 ) | 96.5% min. | 96.54% |
Iron content(base on Fe) | 0.005% max. | 0.005% |
water insoluble matter | 0.05% max. | 0.05% |
Arsenic content(base on As) | 1 ppm max. | 1ppm |
Pb | 10 ppm max. | 5ppm |
Chemical industry is used in the production of insurance powder, sulfamethazine analgine, caprolactam, chloroform, phenylpropyl sulfone and benzaldehyde purification. The photographic industry is used as a fixative ingredient. The perfume industry is used to produce vanillin. Used as preservative in brewing industry, rubber coagulant and dechlorination agent after bleaching cotton cloth. Organic intermediates, dyes, tanneries as reducing agents for electroplating, waste water treatment of oilfields and mineral processing agents for mines, etc.
In industry, it is used in printing and dyeing, organic synthesis, printing, tannery, pharmacy and other departments; in food processing, it is used as preservative, bleaching agent and loosening agent.
It is used as chemical reagent (printing and dyeing, photography, etc.), bleaching mordant, reducing agent, rubber coagulant, organic synthetic medicine and perfume, etc.
25kg Craft paper bag with P.E bag inner
Recommended storage periods: 2 years
Stored in original packaging in cool and dry place.
Port:Qingdao
1. Your inquiry related to our products or prices will be replied in 12hours.
2. Well-trained and experienced staffs to answer your enquires in fluent English.
3. All our products have high quality warranties.
4. Sample order can be delivered within 3 working days, small order 3- 5working days, mass order 7-10working days.
5. Samples can be offered by free,customers just need to pay the freight.But the freight can be returned to our customer after he/she places formal order with us.
Q1: Are you a manufacture or trader?
A1: We are a Manufacture in China.
Q2: May I have a sample order?
A2: Yes ,we welcome sample order to test and check our quality.Contact Us and tell me your requirement of the product you want.We can provide free sample,you just provide us the freight collect.
Q3: What is your acceptable payment term?
A3: L/C,T/T,Western Union,Paypal.
Q4: How about the validity of the offer?
A4: Usually our offer is valid for 1 week. However, validity might vary between different products.
Q5: What documents you provide?
A5: Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA, MSDS and Origin certificate. Please let us know if you need additional documents.
Q6: What is loading port?
A6: Usually loading port is Qingdao port,we also can ship from other ports if you need.
Email: bing@groupworkwin.com
Website:www.wchemv.com
Whatsapp: +8613963692050