Product Description
Product name:Sodium Sulfite Anhydrous
Chemical Formula:Na2SO3
Cas:7757-83-7
Description: Industrial - grade sodium sulfite (Na2SO3), an essential inorganic chemical, presents as white crystals or powder and readily dissolves in water, resulting in an alkaline aqueous solution.
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
|
Application
In the treatment of tap water or within industrial circulating water systems, there might be certain residuals present in the water. These residuals are capable of inflicting harm on aquatic organisms and some water - using equipment. Sodium sulfite, however, has the ability to efficiently eliminate these residuals.
In the paper industry's pulping operations, sodium sulfite serves as a frequently employed cooking additive. During chemical pulping techniques, particularly in the sulfate and sulfite processes, sodium sulfite takes part in chemical reactions. It reacts chemically with lignin, breaking the bonds that hold lignin within plant fibers. This reaction enables the separation of lignin from the plant fibers, thus facilitating the production of cellulose pulp with a relatively high degree of purity.
Sodium sulfite also plays a crucial role in safeguarding printed and dyed fabrics against oxidation and color alteration during their subsequent processing or storage. Fabrics are highly vulnerable to the oxygen present in the air. Once exposed, they readily engage in oxidation reactions, which often result in fading or discoloration. Acting as an antioxidant, sodium sulfite intervenes by reacting with the oxygen in the environment. By consuming this oxygen, it creates a protective shield around the fabrics, preserving their original colors.
Packaging & Shipping
Packing: Package in 25/1000 bag, also accpet customer OEM packing.
Storage: Keep in a cool, dry, dark location in a tightly sealed container or cylinder.
Certifications and 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 Visiting
FAQ
Q: How long is your delivery time?
A: It usually takes 7-10 days if the goods are in stock, or 10-15 days if the goods are not, depending on the quantity ordered.
Q: Can you support OEM ?
A: Yes, we can make products as your request.
Q: Do you provide samples?
A: Yes, we could offer the sample for free by requests but are not responsible for the freight cost.
Q: What payment terms do you accept?
A: We accept T/T, L/C at sight;