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Molekula

Molekula

Sodium sulphite solution (15%)

SKU 90028094 CAS 7757-83-7 Na2O3S MW 126.04 Available on enquiry

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch

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.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU
90028094
CAS Number
7757-83-7
IUPAC Name
disodium;sulfite
EC Number
231-821-4
Molecular Formula
Na2O3S
Molecular Weight
126.04
Exact Mass
125.9364
SMILES
[O-]S(=O)[O-].[Na+].[Na+]
InChIKey
GEHJYWRUCIMESM-UHFFFAOYSA-L
InChI
InChI=1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
PubChem CID
24437

Synonyms

  • Disodium sulfite
  • Natrium sulfurosum
  • Natriumsulfid
  • Natriumsulfit
  • S-WAT
  • SODIUM SULFITE
  • Sodium sulfite anhydrous
  • Sodium sulphite
  • Sulftech
  • Sulfurous acid, disodium salt

See all 2 other grades of CAS 7757-83-7 →

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.

Related products

Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.

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