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Inorganic Chemicals

Sodium Sulphite — Aethon Chemicals

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Sodium Sulphite

Sodium Sulphite, CAS 7757-83-7, is supplied in bulk by Aethon Chemicals, a supplier and exporter of industrial chemicals based in Ankleshwar GIDC, Gujarat, India. It is commonly used in water treatment, pulp & paper industry, textile processing, photography. We supply buyers across India and export to 15+ countries, with TDS and MSDS available on request.

Key facts

Chemical NameSodium Sulphite
Chemical FormulaNa₂SO₃
FormWhite crystalline powder / granules
GradeIndustrial / Technical Grade
CAS No.7757-83-7
HSN Code28321090
CategoryInorganic Chemicals
Supplied fromAnkleshwar GIDC, Gujarat, India
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Main uses of Sodium Sulphite

  • Water Treatment
  • Pulp & Paper Industry
  • Textile Processing
  • Photography
  • Chemical Manufacturing
  • Gas Purification
  • Leather Industry
  • Food Industry (food grade variant)

Product Overview

At Aethon Chemicals, we supply high-quality Sodium Sulphite used primarily as a reducing agent, antioxidant, and oxygen scavenger in various industrial applications. It is widely used in water treatment, pulp & paper, textiles, and chemical manufacturing. Sodium Sulphite is known for its excellent solubility, stable performance, and effectiveness in preventing oxidation in process streams.

We ensure consistent purity, safe packaging, and reliable supply for both bulk and industrial consumption.

Chemical & Physical Properties

Parameter

Specification

Chemical Formula

Na₂SO₃

Molecular Weight

126.04 g/mol

Appearance

White crystalline powder / granules

Purity

96% – 98% (Industrial Grade)

Solubility

Easily soluble in water

pH (10% solution)

Alkaline (approx. 9 – 10)

Odor

Odorless to slight sulphurous smell

Stability

Stable under dry conditions

Applications

  • Water Treatment – Oxygen scavenger for boiler water

  • Pulp & Paper Industry – Bleaching and dechlorination

  • Textile Processing – Antioxidant in dyeing operations

  • Photography – Fixing and developing agent

  • Chemical Manufacturing – Raw material for sodium bisulphite and thiosulphate

  • Gas Purification – Removes dissolved oxygen

  • Leather Industry – Reducing agent in tanning operations

  • Food Industry (food grade variant) – Preservative & color stabilizer (non-food grade supplied separately)

Handling & Safety

Aspect

Information

Hazards

May cause irritation to skin, eyes, and respiratory tract

PPE

Use gloves, goggles, safety mask & protective clothing

Storage

Store in a cool, dry place away from moisture & oxidizing agents

Spillage

Sweep and collect; avoid generating dust

First Aid

Wash with water if contact occurs; seek medical attention if needed

FAQs

Frequently Asked Questions about Sodium Sulphite

Sodium Sulphite is used in water treatment, pulp & paper industry, textile processing, photography, chemical manufacturing, gas purification. Aethon Chemicals supplies it in industrial grades for these applications across India and abroad.

We supply Sodium Sulphite as industrial / Technical Grade. Tell us your required grade and specification and we will confirm availability and share the TDS.

The price of Sodium Sulphite depends on grade, quantity, packaging and destination, and moves with raw-material markets, so we quote per enquiry. Share the product, quantity, grade and destination through our contact form, email or WhatsApp and our team responds within 24 hours with a detailed quote.

The MOQ depends on the product and grade. For bulk industrial chemicals it typically starts from 25 kg or 200-litre drums, while laboratory-grade material may be available in smaller packs. Mention your preferred pack size and quantity in your enquiry.

Molecular Weight: 126.04 g/mol; Solubility: Easily soluble in water; Appearance: White crystalline powder / granules. Full specifications are given in the TDS, available on request.

Store in a cool, dry place away from moisture & oxidizing agents. Always follow the storage guidance in the MSDS supplied with each shipment.

Hazards: May cause irritation to skin, eyes, and respiratory tract. Recommended protection: Use gloves, goggles, safety mask & protective clothing. Handle it as described in the MSDS.

Spillage: Sweep and collect; avoid generating dust. First aid: Wash with water if contact occurs; seek medical attention if needed.

The CAS number of Sodium Sulphite is 7757-83-7 and its HSN code is 28321090.

Yes. Every shipment comes with a Certificate of Analysis (COA) and Material Safety Data Sheet (MSDS), and the Technical Data Sheet (TDS) is available on request. All products go through QA/QC inspection, purity testing and batch validation.

Yes. You can request a sample of Sodium Sulphite to test in your process before placing a bulk order — use the quote or contact form and mention your application.

Yes. We supply Sodium Sulphite across India and export to 15+ countries from Ankleshwar GIDC, Gujarat. Payment options include advance payment, Letter of Credit (LC), Documents against Payment (DP) and credit terms for established clients.
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Need Sodium Sulphite in bulk?

Tell us the grade, quantity and destination — we'll share pricing, TDS and MSDS, usually within 24 hours.

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