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Sodium sulphite solution (15%)

CAS 7757-83-7 Na2O3S MW 126.04 Made to order

Sodium sulphite solution (15%) is a water-based chemical used primarily as a reducing agent and oxygen scavenger in industrial processes such as water treatment, textile manufacturing, and photographic development. It is a clear, colorless to slightly yellow liquid with a characteristic odor. Available in 15% concentration, it has a molecular formula of Na₂O₃S, a molecular weight of 126.04 g/mol, and is stable at ambient storage conditions. It carries no signal word. Molekula supplies Sodium sulphite solution (15%) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Sodium sulphite solution (15%) is a water-based chemical used primarily as a reducing agent and oxygen scavenger in industrial processes such as water treatment, textile manufacturing, and photographic development. It is a clear, colorless to slightly yellow liquid with a characteristic odor. Available in 15% concentration, it has a molecular formula of Na₂O₃S, a molecular weight of 126.04 g/mol, and is stable at ambient storage conditions. It carries no signal word. Molekula supplies Sodium sulphite solution (15%) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Liquid

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 24 months

Identification

Property Value
CAS Number 7757-83-7
Molecular Formula Na2O3S
Molecular Weight 126.04
REACH Code Y110
Tariff Code 28321000

Safety & GHS

None

Hazard statements

  • EUH032 Contact with acids liberates very toxic gas

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is sodium sulphite solution (15%) used for?

It is commonly used as a reducing agent in industrial processes, such as in the pulp and paper industry, water treatment, and as a preservative in food and pharmaceuticals.

What is the chemical formula and molecular weight of sodium sulphite solution (15%)?

The formula is Na2O3S and the molecular weight is 126.04 g/mol.

How should sodium sulphite solution (15%) be stored?

It should be stored at ambient temperature, away from direct sunlight and incompatible materials.

What grade of sodium sulphite solution (15%) is available?

Available in technical grade; specific grades may vary based on application needs.

Can Molekula supply sodium sulphite solution (15%) in bulk?

Yes, Molekula can supply sodium sulphite solution (15%) in bulk quantities; please contact sales for details.

What documentation comes with an order of sodium sulphite solution (15%)?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.

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