Sodium Sulfite for Sodium Sulfite Anhydrous CAS 7757-83-7

• Customization: Available
• CAS No.: 7757-83-7
• Formula: Na2so3
• Model NO.: KD-SSA-12
• EINECS: 231-821-4
• Certification: ISO
• Purity: 90%~99%
• Type: Sodium Sulfate
• Appearance: White Powder or Crystal
• Grade Standard: Industrial Grade
• Shelf Life: 1 Year
• Hazardous: Non-Dangerous Goods
• Ens: 231-821-4
• Instruction for Use: Packaging
• Storage: Cool Dry Place Avoid Sunlight
• Use: for Paper Pulps
• Spec: 7,000u/G-50,000u/G
• Transport Package: 25 PP Bags
• Specification: 25ton/20′s container
• Trademark: KEND
• Origin: China
• HS Code: 2832100000
• Production Capacity: 50000 Ton/Month

Product Description

Product Description

 

Anhydrous Sodium Sulfite, chemical formula: Na2SO3, is a white crystalline powder with excellent solubility in water. It remains stable in dry air but may gradually oxidize in humid environments.

Anhydrous Sodium Sulfite is widely used as a reducing agent, preservative, and antioxidant across various industries. In photography, it serves as a key component in developing solutions. It also plays a vital role in water treatment, textile processing, and paper manufacturing, where it helps remove excess and bleach fibers. Additionally, it is utilized in food preservation, pharmaceuticals, and chemical synthesis.

With its strong reducing properties and versatility, Anhydrous Sodium Sulfite is an essential industrial chemical for multiple applications.

 

Specifications

 

Item	Sodium Sulfite Anhydrous Industrial Grade
Sodium sulphite(Na2SO3) %	97
Iron(Fe) %	0.005 max
Free alkali %	0.1 max
Heavy metal(Pb)%	-
As %	2.5 max

Packaging & Shipping

25 PP BAG/1TON JUMBO BAG;25ton/20's container

 

Company Profile

Hebei Kend 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 already developed and established good business relationship with Russia, Chile, the USA, India, Pakistan, South Africa, Benin ect worldwide reputed customers. Based on the experienced and professional sourcing and trading business in chemical field, we can guarantee the quality and stability of goods.
 

 

 

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 ~