Industry Grade CAS 7681-57-4 Sodium Pyrosulfite Sodium Metabisulfite Na2s2o5 for Printing and Dyeing

• Customization: Available
• CAS No.: 7681-57-4
• Formula: Na2s2o5
• Model NO.: JC-Na2s2o5-01
• EINECS: 231-673-0
• Certification: ISO
• Purity: ≥96%
• Type: Sodium Metabisulfite
• Appearance: Powder
• Grade Standard: Industrial Grade
• Ferron(Fe): ≤0.005%
• Water Insoluble: ≤0.05%
• as: ≤0.0001%
• Solubility: Easy
• Heavy Metal(Pb): ≤0.0005%
• Expiration Date: 2 Years
• MOQ: 25 Tons
• Sample: Free
• Bag Marks: Customizable
• Color: White or Light Yellow
• Transport Package: PP Bag
• Specification: 25kg/50kg/1000kg
• Trademark: N/M
• Origin: China
• HS Code: 2832100000
• Production Capacity: 30000tons/Month

Product Description

Product Description

Sodium Metabisulfite (Na₂S₂O₅)

Basic Information:

• A white or yellowish crystalline powder

• Has a strong sulfur smell

• Chemical formula: Na₂S₂O₅

• Soluble in water

• Releases sulfu r dioxide (SO₂) when dissolved

 

Safety Notes:

• Can cause irritation to skin, eyes, and lungs

• Produces sulfu r dioxide gas, which can be harmful if inhaled

• Use protective gear when handling

 

Detailed Photos

Product Parameters

TEST ITEMS	TEST STANDARD	TEST RESULT
Na2S2O5	≥96.5%	97.42%
FERRON(Fe)	≤0.005%	0.001%
WATER INSOLUBLE	≤0.05%	0.02%
As	≤0.0001%	<0.0001%
HEAVY METAL(Pb)	≤0.0005%	<0.0002%
CLARITY	PASS	PASS
APPEARANCE	WHITE OR LIGHT YELLOW CRYSTALLINE POWDER	PASS
CONCLUSION	THE ABOVE PRODUCT COMPLIES WITH INDUSTRIAL GRADE

Application

            

               Food Preservation                            Beverage Processing                              Textile Industry       

                Water Treatment                           Paper and Pulp Industry                        Chemical Synthesis

Sodium Metabisulfite is a chemical compound widely used in various industries, excluding medicine. In the food and beverage industry, it is used as a preservative and antioxidant to prevent spoilage and discoloration, especially in dried fruits, juices, wine, and beer. In water treatment, it helps remove excess chlorin e and chloramine from drinking water and wastewater. The textile industry uses it in bleaching and dyeing processes to improve fabric quality. It is also used in the pulp and paper industry for bleaching wood pulp, and in photography to protect developing solutions from oxidation. Additionally, Sodium Metabisulfite is used as a cleaning and sanitizing agent in breweries and food processing equipment.

Packaging & Shipping

Packaging:
25kg bag/50kg bag
27tons/1FCL without pallet     

                 
Shipping:   

                                             in container                                                                       in bulk carrier

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!

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