China High quality sodium metabisulfite metabisulphite smbs cas7681-57-4 developer Quotes, Factory, Manufacturers

Zhuzhou Sante EP & Energy Saving Co.,Ltd


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sodium metabisulfite metabisulphite smbs cas7681-57-4 developer

Brand : Xiang Sante

Product origin : Hunan

Delivery time : 7-15days

Supply capacity : 300000T/Year

sodium metabisulphite, 96-97% purity industry grade strict quality control high quality own factory competitive price for developer

sodium metabisulfite metabisulphite smbs cas7681-57-4 developer

Product description

Commodity name:  Sodium Pyrosulfite,Sodium Metabisulfite      Classification:Sulphate        MF:Na2S2O5  

 Molecule Weight: 190.1            CAS NO.:7681-57-4            EINECS NO.: 231-673-0           HS Code: 28321000

Appearance: White or yellowish crystalline powder          Smell: SO     Application: developer, rubber reinforcing, leather processing

Grade Standard: Industrial grade           Purity: 97%         Brand Name: Xiang Sante      Supply quantity: 300,000 Mt/Y

Sodium Pyrosulfite Used As a Developer,sodium metabisulfite,sodium metabisulfite price

National Standard :[HG/T2826-2008] 
Product Specification:
Main Content (Na2S2O5)  % ≥96.595.0
Fe (fe)%≤0.050.05
Heavy metal(PB)%≤0.0050.01
As (As) %≤0.0001----

Physical charactersWhite or yellowish crystalline powder. Relative density 1.4, soluble in water (20 ℃ for 54 g / 100 ml of water;At 100 ℃ for 81.7 g / 100 ml water), acidic aqueous solution, soluble in glycerin, slightly soluble in alcohol. Easy decomposition with damp, easy oxidation into sodium sulfate when exposed in air and contact with strong acid release sulfur dioxide and generate the corresponding salts, decompose when heated to 150 ℃.


1. The pharmaceutical industry- used to produce chloroform, phenylsulfone and benzaldehyde.

2. The rubber industry- used as a coagulant.

3. The printing and dyeing industry- used as the dechlorination agent for cotton bleaching, and cotton scouring auxiliary agent;

4. Leather processing- used for leather processing, which can make leather soft, plump and tough. It has the properties of waterproof, anti-folding and wear-resisting.

5. Chemical industry- used to produce hydroxyl vanillin, hydroxylamine hydrochloride, etc.

6. Photosensitive industry- as a developer;

7. The food industry- used for bleaching agents, preservatives, loose agents, antioxidants, color rentention agents and preservatives.


Package25Kgs/Plastic woven bags;1000kgs/Bag or as requested.


 Sodium Pyrosulfite Used As a Developer,sodium metabisulfite,sodium metabisulfite price


Q: Are you a factory or trading company?                      A: We are a factory.

Q:What is the payment terms?                                      A: L/C ,T/T, D/P

Q: How does your factory do regarding quality control?  A: Our factory can accept any third party inspection.

Q: How long is your delivery time?                               A: Generally 7-12days.

Q: Do you provide free samples? is it free or extra?      

 A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How can I get some samples?                                

 A: Kindly send us your address, we are honored to offer you samples.

Q:Where is your factory located?How can I visit there? 

 A: You can fly to Changsha International Airport. All our clients, from home or abroad, are warmly welcomed !

                                                                             Warmly welcome you to contact us!

Please feel free to give your inquiry in the form below. We will reply you in 24 hours.
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