Qidong A&P Pharmaceutical Co., Ltd.--Anhydrous Sodium Sulfite|7757-83-7

启东亚太药业有限公司

Qidong A&P Pharmaceutical Co., Ltd.

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Anhydrous Sodium Sulfite

CAS NO.：7757-83-7
Molecular Formula: Na₂SO₃
Structural Formula: 126.04

Structural formula:

Appearance：White crystal or 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 crystal or powder
Assay	97.0%～100.5%
Ferric salt	≤10ppm
Zinc	≤25ppm
Heavy metals	≤10ppm
Selenium	≤10ppm
Arsenic	≤4ppm

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