Na2s2o5 Industrial Uses Such as Printing and Dyeing, Leather Making, etc Sodium Metabisulfite

• Customization: Available
• CAS No.: 7681-57-4
• Formula: Na2s2o5
• Model NO.: JC-Na2s2o5-25051601
• EINECS: 231-673-0
• Certification: ISO
• Purity: 96%
• Type: Sodium Metabisulfite
• Appearance: Powder
• Grade Standard: Industrial Grade
• Melting Point: >300 °c (Lit.)
• Density: 1.48
• Storage Conditions: Store at +5°c to +30°c.
• Form: Powder/Solid
• Proportion: 1.48
• Odor: Sulfury
• pH: 3.5-5
• Packing: Customizable
• Samples: 500g Free
• Delivery Fee: Base on Address
• Transport Package: 25kg, 1000kg
• Specification: Customizabl /PP Bag
• Trademark: N/M
• Origin: China
• HS Code: 2832100000
• Production Capacity: 40000mt Per Month

Product Description

Product Description

 

Chemical name: Sodium metabisulfite

Molecular formula: Na 2S 2 O 5.

Molecular weight: 190.12.

CAS number: 7681-57-4.

physical property

Appearance: White or slightly yellow crystalline powder or small crystals

Melting point: 150 ºC.

Density: 1.48g/cm ³.

Solubility: Easy to dissolve in water, aqueous solution is acidic, solubility increases with temperature, slightly soluble in ethanol, soluble in glycerol.

chemical property

Moisture easily decomposes, and when exposed to air, it easily oxidizes into sodium sulfate.

 

Heating to 150 ºC for decomposition

 

Product Parameters

PO NO.	JC-6080	PRODUCTION DATE	2025-02-11	EXPIRY  DATE	2026-02-10
PACKING	25KG BAG	GRADE	INDUSTRIAL GRADE	STANDARD	HG2826-2008
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
INSPECTOR: HUANG YUANYUAN            CHECKER: WANG MINGJIANG

This is the COA for industrial grade. We also sell food grade. For more specific information, please contact customer service
 

Certifications

 

 

Packaging & Shipping

 

Customizable packaging to meet all your needs



 

FAQ

Q: What is your company main product? 
A: Our main products are calcium chloride, magnesium chloride, sodium chloride, magnesium sulfate, sodium carbonate, sodium bicarbonate etc

Q: How long time you can make the shipping? 
A: We can make the shipping within 15 days after confirming the order. 

Q: what kind of payment does your company support?
A: 100% L/C at sight,  T/T, both accepted if you have other payment, please contact me.

Q: Where is your factory located? How can I visit the factory? 
A: Our factory located in WEIFANG, China. It is only two hours from QINGDAO. If you would like to visit our factory, please contact us in advance.

Our team

 

Application

1. Chemical industry: used for the production of insurance powder,  metamizole, caprolactam, etc; Used for the purification of  phenylpropanol sulfone, and benzaldehyde.

2. Photographic industry: used as an ingredient for fixing agents.

3. Spice industry: used for producing vanillin.

4. Brewing industry: used as a preservative.

5. Rubber industry: used as a rubber coagulant.

6. Textile industry: used as a dechlorination agent for bleached cotton fabrics.

7.Printing and dyeing industry: used as a reducing agent.

8.Electroplating industry: used for wastewater treatment in electroplating industry and oil fields.

9.Mining industry: used as a mineral processing agent in mines.

10.Food processing: used as preservatives, bleaching agents, and loosening agents in food processing
 

 

 

 

Product List

 

We are a large modern international chemical enterprise with more than 30 series of chemical products. At the same time, relying on our geographical location and resource advantages, we are committed to optimizing the supply chain of various chemical products including aluminum sulfate, sodium metabisulfite, calcium chloride, magnesium chloride, ammonium sulfate, magnesium sulfate, sodium bicarbonate, industrial salts, etc., forming a product chain with multiple varieties, large scale, high precision, and high technical content.