Product Description
Basic information: anhydrous sodium sulfite, chemical formula Na2SO3, a white crystalline powder, has a sulfurous acid odor and is easily oxidized in air.
Core advantages: purity over 98%, very few impurities, stable quality. Efficient reduction and antioxidant properties, rapid response and remarkable effect.
Application: Bleaching auxiliaries in printing and dyeing industry to improve bleaching effect; Food industry as preservatives and antioxidants to extend the shelf life of food; It is a key raw material in chemical synthesis and participates in many important reactions.
Product Parameters
TEST ITEMS |
TEST STANDARD |
TEST RESULT |
Na2SO3 |
≥97.0% |
98.10% |
IRON(Fe) |
≤0.003% |
0.0015% |
WATER INSOLUBLE |
≤0.02% |
0.01% |
Na2CO3 |
≤0.10% |
0.10% |
SULPHATES(SO4) |
≤2.5% |
1.0% |
CHLORIDE(NaCl) |
≤0.10% |
0.10% |
CLEARNESS |
THROUGH EXPERIMENTS |
APPEARANCE |
WHITE CRYSTALLINE POWDER |
CONCLUSION |
SUPERIOR PRODUCTS |
Application
1) Printing and dyeing: used as deoxidizer and bleaching aid to remove dissolved oxygen in water, improve bleaching effect and ensure dyeing uniformity.
2) Papermaking: used for pulping, removing lignin, improving pulp yield and quality, and making paper tougher.
3) Chemical synthesis: It is an important raw material for the production of insurance powder, sodium thiosulfate and other chemical products, and participates in many complex synthetic reactions.
4) Electroplating: It can remove trace heavy metal impurities in the electroplating solution, purify the plating solution, and make the coating more dense and bright.
5) Leather: in the process of hair removal and liming, help to expand the skin, hair removal, and improve the quality of leather.
Packaging & Shipping
Packaging
25kg/1000kg,plastic woven bag with plastic bag inside,can provide customized services
Store in a dry,ventilated,cool place,away from direct sunlight.
Shipping

Certifications
Customer Reviews
Company Profile
Shandong Jiuchong Chemical Company Limited was founded in 2016, which is located in Weifang City, Shandong Province, China. We have 228 square meters of office space. Now Jiuchong chemical is a large modern international chemical enterprise with more than 28 series. Since our establishment, the company has gradually established and improved a sound supply chain system, quality monitoring system and service system, ensuring products quality and service.
At the same time, relying on our own geographical location and resource advantages, our company is committed to the optimization of a variety of chemical supply chain, including magnesium chloride, sodium metabisulfite, sodium bicarbonate, calcium chloride, magnesium sulfate, polyaluminium chloride, aluminium sulfate, industrial salt, soda ash etc.
Our products are sold well in 288 domestic cities and more than 36 foreign countries. Now the company has won the praise and trust of domestic and foreign customers. Based on stable quality and output, good team service and staff efforts, we will continue to develop domestic and foreign markets.
Jiuchong chemical takes "integrity, innovation and development" as the concept, puts integrity in the priority position in serving customers, and guarantees high quality products and satisfactory cooperation for customers experience. Your satisfaction is our driving force. Quality is the soul of enterprise and that is what we have always done. In the future, Shandong Jiuchong Chemical Company Limited hopes to build a brilliant tomorrow with you!
Customer Communication

FAQ
