Sodium sulfite, 98.5%, for analysis, anhydrous, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
10422031	Thermo Scientific Acros 219270250	25 g	Glass Bottle
10320594	Thermo Scientific Acros 219272500	250 g	Plastic bottle
10032850	Thermo Scientific Acros 219270010	1 kg	Plastic bottle
10117743	Thermo Scientific Acros 219270050	5 kg	Plastic bottle

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

• Molecular Formula: Na₂O₃S
• MDL Number: MFCD00003503
• 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+]

Specifications

• Melting Point: >500.0°C
• Color: White
• Assay Percent Range: 98% min. (Iodimetry)
• Linear Formula: Na₂SO₃
• 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: Analytical
• Density: 2.6300g/mL

• CAS: 7757-83-7
• Physical Form: Fine Crystals or Crystalline Powder
• Molecular Formula: Na₂O₃S
• MDL Number: MFCD00003503
• 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: 98.5%
• Specific Gravity: 2.63
• Chemical Name or Material: Sodium sulfite, Anhydrous, For analysis

Safety and Handling

GHS H Statement:
Contact with acids liberates toxic gas.

GHS P Statement:
IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Keep container tightly closed.
IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.

WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.

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RUO – Research Use Only