Qidong A&P Pharmaceutical Co., Ltd.--Sodium Bisulfite|7631-90-5

启东亚太药业有限公司

Qidong A&P Pharmaceutical Co., Ltd.

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Sodium Bisulfite

CAS NO.：7631-90-5
Molecular Formula: NaHSO₃
Structural Formula: 104.06

Structural formula:

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（SO₂）	61.5%～67.4%
Ferric salt	≤10ppm
Sulfates	≤4.0%
Heavy metals	≤10ppm
Arsenic	≤1ppm

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