Factory Supply CAS No. 7681-57-4 Sodium Metabisulfite Smbs (Na2S2O5)

Min.Order: 25
Product origin: Weifang, Shandong, China
Infringement complaint: complaintComplaint
US$ 350 ~ 360

Description
Product Description

Sodium metabisulfite is a white or yellow crystalline powder or small crystal with a strong SO2 odor, a specific gravity of 1.4, soluble in water, and the aqueous solution is acidic. When it is in contact with a strong acid, it releases SO2 to form a corresponding salt. When it is left in the air, it oxidizes. It is Na2S2O6, so the product cannot be stored for a long time. Above 150 degrees Celsius, SO2 is decomposed.
Other name:Sodium pyrosulfite
Quality standard:FCCV/E223/USP
CAS NO.:7681-57-4
HS CODE:28321000
M.F.:Na2S2O5
Specification:Industry grade/Food grade
Appearance:White crystalline powder
 

 

Specification
ItemFood GradeIndustry Grade
Purity ( As Na2S2O5)98.0% min96.0% min
Sulfur Dioxide( SO2)65.0% min65.0% min
Arsenic ( As )0.0002% max
Heavy metals ( As Pb )        0.0005% max  -
Selenium (Se )0.0005% max-
Iron (Fe)0.001% max0.002% max
Water insoluble0.02% max0.05% max
PH value :4.0-4.84.0-4.8
Remark :Conformed with FCCV and E223 Standard          
Packaging & Shipping


 

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Company Profile



Weifang Tinmu Chemical Co., Ltd. is a specialized chemical company along with production, R&D, and trading. On the basis of more than 10 years experiences of food additive chemicals, Tinmu Chemical can offer a broad range of high value products and services.
Weifang Tinmu Chemical Co., Ltd. Is a professional enterprise on food additive chemicals such as Sweetening agent, Acid agent preservative......
Weifang Tinmu Chemical Co., Ltd. are located in Weifang City, Shandong Province which have mature chemical environment and convenient transportation.
Our products are wide popularity in South America, Southeast Asia, Middle East and so on. We are looking forward to cooperate with you to make the world more cleaner and healthier.

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