Na2o5s2 Low Price 7681-57-4 Food Grade FCC Sodium Metabisulfite

• CAS No.: 7681-57-4
• Formula: Na2s2o5
• EINECS: 231-673-0
• Certification: ISO
• Purity: 90%~99%
• Appearance: Powder
• Model NO.: KMD-Sodium Metabisulfite
• Grade Standard: Industrial Grade
• Sample: Available
• Shelf Life: 24months
• Storage Type: Store in a Dry and Cool Place
• Product Name: Sodium Metabisulfite
• Transport Package: 20kg/Bags
• Specification: 20kg/Bags
• Trademark: KMD
• Origin: China
• Production Capacity: 10000mt/Month

Product Description

Product Description

1. Chemical Name:  sodium metabisulfite
2. Molecular Formula:  Na2S2O5
3. Molecular Weight:  190.107
4. CAS:  7681-57-4
5. EINECS:  231-673-0
6. Expiration: 24 months
7. Character: It is white or yellow crystalline powder or small crystal, with a strong smell of sulfuric acid, soluble in water. The aqueous solution is acidic. When it contacts with strong acid, it releases sulfuric acid and generates the corresponding salts. Keeping in air, it oxidizes to Na2S2O6, so the product cannot be stored for a long time. It is higher than 150 degrees Celsius, that is to decompose sulfuric acid.

 

Test item	Standard
Assay(Na2S2O5)                ≥%	96.5
Iron(Fe)                               ≤%	0.003
Clarity	Passes test
As                                       ≤mg/kg	1.0
Heavy metals(as Pb)          ≤mg/kg	5.0

Application

 It is used as preservative, bleaching agent, and swelling agent in food processing.

 

Packaging & Shipping

PACKING
Packing: 25kgs PP+PE bag or 25kgs paper bag with pallets;
Delivery time: It depends on quantity, stock and production schedule.

1. 25kgs PP+PE bag or 25kgs paper bag on pallets
2. 25kgs cardboard drum, polyethylene bag as inner layer. 3. Customized packing is also available.

 
Shipment:
1. As for the tiny amount (less than 50kg), we will use express(TNT, FedEx, EMS or DHL), which is convenient.
2. As for the small amount (from 50kgs to 1000kgs), we will deliver by air or by sea.
3. As for the normal amount (more than 1000kgs), we usually shipped by sea. 
 

 

Company Profile

Hebei Chemtics Technology is located in North China.As one of the most dynamic foreign trade companies in the Chinese market,
We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force. 
We have clients throughout the world,including Europe, South America, North America, Southeast Asia and Africa. 
Our business is based on honesty and mutual-trust.Sincerely looking forward to establish long term and mutual beneficial business relationship with worldwide customer."

 

 

FAQ

Q1: Can I get samples?
A: Yes, we can supply free sample, you pay for the freight charge only.
Q2: How to pay?
A: PI will be sent firstly after our aligned products specification. Payment by Paypal , T/T, Western Union,LC, are ok.
Q3: How is your MOQ?
A: Normally speaking, our MOQ is 1kg. But we can also accept less quantity such as 100g on the condition that sample charge is100% paid.
Q4: How can you guarantee the quality of your products ?
1. Our staff are all experienced in chemical products or related major background, they are well trained before quotation.
2. Free sample or pre-shipment sample are available for our new cooperation before you place commercial order. We are sure the same specification commercial products as sample to customers
3. Third Party Inspection like SGS can be arranged according to your requirement before shipping.
4. On-Spot QC in our APPROVED associated production bases with necessary certification like GMP, ISO etc.
Q5: Do you have any other chemicals?
A: Yes, We can provide kinds of additives and fungicides, such as PHMB, PCMX, PVP, DCMX, Glutaraldehyde, Chlorhexidine digluconate 20%, ZPT, CMIT/MIT 14%, Carbomer, BKC, etc .....
Q6: If you still have questions, contact with us ~