Sodium sulfite, ACS, 98.0% min, Thermo Scientific Chemicals

Product Code. 11316818

Brand: Thermo Scientific Alfa Aesar 013454.A9

Description

Sodium sulfite is used in the photography industry to protect developing solutions from oxidation; in the pulp and paper industry; in water treatment as an oxygen scavenger agent, as a desulfurizing and dechlorinating agent in the leather industry and as a bleaching agent in the textile industry.

Sodium sulfite is used in the photography industry to protect developing solutions from oxidation; in the pulp and paper industry; in water treatment as an oxygen scavenger agent, as a desulfurizing and dechlorinating agent in the leather industry and as a bleaching agent in the textile industry. It is used as a preservative to prevent dried fruit from discoloring. It finds application as a sulfonation and sulfomethylation agent in the chemical industry. It is involved in the production of sodium thiosulfate. Other applications include forth flotation ores, oil recovery and manufacture of dyes.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 7757-83-7
• Molecular Formula: Na2O3S
• Molecular Weight (g/mol): 126.037
• MDL Number: MFCD00003503
• InChI Key: GEHJYWRUCIMESM-UHFFFAOYSA-L
• Synonym: sodium sulfite, disodium sulfite, sodium sulphite, sodium sulfite anhydrous, sulfurous acid, disodium salt, sulftech, natrium sulfurosum, sodiumsulfite, natriumsulfid, natriumsulfitShow MoreShow Less
• PubChem CID: 24437
• ChEBI: CHEBI:86477
• IUPAC Name: disodium;sulfite
• SMILES: [O-]S(=O)[O-].[Na+].[Na+]

• Melting Point: >500°C (decomposition)
• Physical Form: Granules
• Quantity: 10 kg
• Solubility Information: Soluble in water and glycerol. Insoluble in alcohol,liquid chlorine and liquid ammonia.
• Formula Weight: 126.04
• Percent Purity: ≥98%
• Grade: ACS
• Packaging: Plastic bottle
• Sensitivity: Air and moisture sensitive
• Specific Gravity: 2.633
• Density: 2.633
• Chemical Name or Material: Sodium sulfite

Safety and Handling

SDS

RUO – Research Use Only