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Back ProductAnhydrous Sodium Sulfite
　　CAS NO.：7757-83-7 Molecular Formula：Na2SO3 Structural Formula： Molecular Weight：126.04 Appearance：White crystal or powder Use：Medicinal excipients, Antioxidants。 Packing：25kg/Drum ...

Sodium Bisulfite

CAS NO.：7631-90-5

Molecular Formula：NaHSO3

Structural Formula：

Molecular Weight：104.06

Appearance：White particles or crystalline powder.

Use：Medicinal excipients, Antioxidants。

Packing：25kg/Drum

Specification Standard：Pharmacopoeia of the people's Republic of China, 2020 Edition (Volume 4)

Item

Index

Appearance

White particles or crystalline powder；A slight odor of sulfur dioxide.

Assay（As SO2）

61.5%～67.4%

Ferric salt

≤10ppm

Sulfates

≤4.0%

Heavy metals

≤10ppm

Arsenic

≤1ppm
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Next ProductPotassium Bisulfite
　 CAS NO.:7773-03-7 Molecular formula:KHSO3 Molecular weight:120.17 Physics and Chemistry nature:Clear colorless or light yellow liquid,without insoluble impurities Use...