Sodium sulfite, 97%, extra pure, anhydrous, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
10286390	Thermo Scientific Acros 196630010	1 kg	Plastic Bottle
10308050	Thermo Scientific Acros 196630025	2.5 kg	Plastic Bottle
11904231	Thermo Scientific Acros 196630100	10 kg	Plastic drum

Description

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

Reduction reagent

Chemical Identifiers

• CAS: 7757-83-7
• Molecular Weight (g/mol): 126.04
• Synonym: sodium sulfite, disodium sulfite, sodium sulphite, sodium sulfite anhydrous, sulfurous acid, disodium salt, sulftech, natrium sulfurosum, sodiumsulfite, natriumsulfid, natriumsulfit
• ChEBI: CHEBI:86477
• SMILES: [O-]S(=O)[O-].[Na+].[Na+]

• Molecular Formula: Na₂O₃S
• InChI Key: GEHJYWRUCIMESM-UHFFFAOYSA-L
• PubChem CID: 24437
• IUPAC Name: disodium;sulfite

Specifications

• Melting Point: >500.0°C
• Color: White to Yellow
• Physical Form: Fine Crystals or Crystalline Powder
• Molecular Formula: Na₂O₃S
• Fieser: 02,387
• Synonym: sodium sulfite, disodium sulfite, sodium sulphite, sodium sulfite anhydrous, sulfurous acid, disodium salt, sulftech, natrium sulfurosum, sodiumsulfite, natriumsulfid, natriumsulfit
• InChI Key: GEHJYWRUCIMESM-UHFFFAOYSA-L
• IUPAC Name: disodium;sulfite
• PubChem CID: 24437
• Formula Weight: 126.04
• Grade: Extra Pure
• Density: 2.6300g/mL

• CAS: 7757-83-7
• pH: 8.5 to 10.5 (5% soln.)
• Assay Percent Range: 96% min. (Iodimetry)
• Linear Formula: Na₂SO₃
• Merck Index: 15,8811
• Solubility Information: Solubility in water: 230 g/mL (20°C). Other solubilities: soluble in glycerol, ppractically insoluble in alcohol
• SMILES: [O-]S(=O)[O-].[Na+].[Na+]
• Molecular Weight (g/mol): 126.04
• ChEBI: CHEBI:86477
• Percent Purity: 97%
• Specific Gravity: 2.63
• Chemical Name or Material: Sodium sulfite

Safety and Handling

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RUO – Research Use Only