Molekula
Sodium sulphite (10%w/v solution in water)
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 10% w/v solution in water is a chemical reagent commonly used as a reducing agent in laboratory applications and industrial processing. Its main documented applications include photographic developing solutions, bleaching of textiles such as wool and silk, dye manufacture, and treatment of industrial boiler water. This product is identified by CAS number 7757-83-7 and carries no signal word. Molekula supplies Sodium sulphite 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.
Overview
- SKU
- 90035930
- CAS Number
- 7757-83-7
- IUPAC Name
- disodium;sulfite
- EC Number
- 231-821-4
- 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
- Natrii sulphis
- Natrium sulfurosum
- Natriumsulfid
- Natriumsulfit
- S-WAT
- SODIUM SULFITE
- Sodium sulfite anhydrous
- Sulftech
- Sulfurous acid, disodium salt
See all 2 other grades of CAS 7757-83-7 →
Frequently asked questions
What is Sodium sulphite (10% w/v solution) typically used for?
It is commonly used as a reducing agent, an oxygen scavenger in water treatment, and as a preservative in various industrial and laboratory applications.
What is the chemical formula and molecular weight of Sodium sulphite?
The chemical formula for Sodium sulphite is Na2SO3, and it has a molecular weight of 126.04 g/mol.
How should Sodium sulphite solution be stored?
It should be stored in a cool, dry place in a tightly closed container, away from incompatible substances like strong acids and oxidizing agents.
What grade of Sodium sulphite solution is available?
Please contact our sales team to confirm the specific grade and purity levels currently available for this product.
Can Molekula supply Sodium sulphite in bulk?
Yes, Molekula can supply this product in various quantities, from laboratory scale to bulk industrial volumes; please contact us for a quote.
What documentation comes with the order?
All orders are supplied with a Certificate of Analysis (CoA) and a Safety Data Sheet (SDS) to ensure full regulatory compliance.
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.