CAS 7681-57-4 Sodium Metabisulfite; Sodium Pyrosulfite

• CAS No.: 7681-57-4
• Formula: Na2s2o5
• EINECS: 7681-57-4
• Type: Synthesis Material Intermediates
• Appearance: Powder
• Quality: Industrial
• Model NO.: 7681-57-4
• Colour: White or Light Yellow
• Molecular Formula: Na2s2o5
• Molecular Weight: 190.10
• CAS Registry Number: 7681-57-4
• Density: 1.48
• Melting Point: 150 ºC
• Transport Package: 25kg/Drum
• Specification: 99%
• Trademark: FinerChem
• Origin: China
• Production Capacity: 200mt/Year

Product Description

Product description:

Product name	Sodium metabisulfite
CAS number	7681-57-4
Assay	≥98%
Appearance	White or light yellow crystalline powder
Capacity	200mt/year
Package	25kg/drum
Application	Used as bleaching agent, mordant, reducing agent, rubber coagulant, also used in organic synthesis, pharmacy and perfume
More information	Synonyms: Sodium pyrosulfite           Disodium disulphite           Disulfurous acid disodium salt           Pyrosulfurous acid disodium salt Molecular Formula: Na2S2O5 Molecular Weight: 190.10 CAS Registry Number: 7681-57-4 EINECS: 231-673-0 Density: 1.48 Melting point: 150 ºC Water solubility: 540 g/L (20 ºC)

Packing and shipping:

Company information:

Jinan Finer Chemical Co., Ltd is professional to manufacture and R&D chemical intermediates, pharmaceutical intermediates and fine chemicals. Company locates in Jinan city new material industry park which is approved by Shandong province government, so the company has great advantages in enterprise credit, finance security, product quality control and cargo export. 

The pharmaceutical intermediates are mainly applied to anti-cancer, anti-depression, cardiovascular, diabetes and other new medicine. The chemical intermediates mainly refer to heterocyclics and OLED intermediates.The company built new factory to produce new fine chemical materials which are mainly used in water treatment, bactericidal and anti-corrosion, dyes, electronic materials and other industry fields.

Finerchem has export & import license, and hazard chemical sales license. The products are exported to America, Brazil, South Korea, Japan, Taiwan, Malaysia, Thailand, Indonesia, Europe union and other countries or regions. 

Under rich experiences and excellent international reputation, the company becomes a quite influential enterprise in China's chemical field. FinerChem sincerely look forward to establishing long good cooperation with our customers from all over the world.