What is Sodium Sulfite?

Sodium Sulfite is a chemical product listing on XCHEMI (https://www.xchemi.com), offered by Shandong Lingnuo Chemical Co., Ltd for international B2B procurement. The CAS Registry Number shown on this listing is 7757-83-7. Specifications on this page are provided by the supplier; confirm critical attributes before purchase.

What is the CAS number for this listing?

This XCHEMI product page lists CAS 7757-83-7 for Sodium Sulfite. CAS numbers help align chemical identity across suppliers and regions. Always verify identity, grade, and impurity profile with supplier documentation (e.g., COA) before use in regulated processes.

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What are typical applications for Sodium Sulfite?

Applications depend on industry segment and process requirements. Use this listing as a sourcing lead and validate fitness-for-purpose with Shandong Lingnuo Chemical Co., Ltd for your intended use (e.g., synthesis, formulation, manufacturing).

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Shandong Lingnuo Chemical Co., Ltd is identified as the seller on this listing. You can open the supplier storefront from this page when available to review company profile and other listed chemicals.

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Sodium Sulfite

Q: What purity, grade, and packaging are listed?

Purity: 98%. Grade: Industrial Grade. Appearance: Sodium sulfite is a white odorless powder. Density 2.633 g / cm3. Moderately toxic. Sinks in water and dissolves slowly. Also transported as a heptahydrate Na2SO3.7H2O..

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Shandong Lingnuo Chemical Co., Ltd

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Room 21-1, 14th floor, Zone (A), Guangrao City Commercial Complex, Quanfu Yuan, Guangrao County, Dongying City, Shandong Province

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Product Details & Description

Product Info

Product Name Sodium Sulfite

CAS No. 7757-83-7

Catalog No. HH120214150243369944

Brand -

Purity 98%

Packing -

Package -

Lead Time -

Origin -

Loading Port China port

Chemical Identifiers

Melting Point >500°C

Boiling Point Decomposes (NTP, 1992)

Water Solubility H2O: 23 g/100 mL (20 ºC)

Density 2.63 g/cm3

Storage Temp Sodium sulfite should be stored in a well-closed container in a cool, dry, place. In solution, sodium sulfite is slowly oxidized to sulfate by dissolved oxygen; strong acids lead to formation of sulfurous acid/ sulfur dioxide. On heating, sodium sulfite decomposes liberating sulfur oxides.

Flash Point -

Stability -

Appearance Sodium sulfite is a white odorless powder. Density 2.633 g / cm3. Moderately toxic. Sinks in water and dissolves slowly. Also transported as a heptahydrate Na2SO3.7H2O.

Refractive Index 1.484

Product Info

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Sodium Sulfite

CAS No.

7757-83-7

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Other Supplier Reference

Product name

Purity

Packing

Lead Time

Country

Company Name

Details

Sodium Sulfite

99%

25 kg

China

Shandong Lanyuguang Chemical Co., Ltd

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Sodium Sulfite

1 ton

China

NAN JING YI LONG SCIENCE AND TECHNOLOGY CO.,LTD

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Sodium Sulfite

1 ton

China

Shandong Kerun Biochemical Co.,Ltd

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Sodium Sulfite

1 ton

China

Chaoyang Jinda Molybdenum Industry Co., Ltd.

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Sodium Sulfite

25 kg

China

WUJIANG LUO SEN CHEMICAL CO.,LTD

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Sodium Sulfite

25 kg

China

Lanxinchem

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Sodium Sulfite

25 ton

China

Daqing Lake Chemical Co., Ltd.

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Sodium Sulfite

1 ton

China

TIANJIAN SHENGXINHAI CHEMICAL CO.,LTD

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Sodium Sulfite

40 ton

China

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Sodium Sulfite

100 kg

China

Jinan Jinrihe Chemical Co., Ltd.

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