Sodium sulfite, 98.5%, for analysis, anhydrous

Description

CAS: 7757-83-7 | Na₂O₃S | 126.04 g/mol

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

Specifications

Chemical Identifiers

• CAS: 7757-83-7
• Molecular Formula: Na₂O₃S
• Molecular Weight (g/mol): 126.04
• 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, natriumsulfit
• PubChem CID: 24437
• ChEBI: CHEBI:86477
• IUPAC Name: disodium;sulfite
• SMILES: [O-]S(=O)[O-].[Na+].[Na+]

• Melting Point: >500.0°C
• Color: White
• Physical Form: Fine Crystals or Crystalline Powder
• Quantity: 25 g
• Assay Percent Range: 98% min. (Iodimetry)
• Linear Formula: Na₂SO₃
• Fieser: 02,387
• Merck Index: 15, 8811
• Solubility Information: Solubility in water: 230 g/mL (20°C). Other solubilities: soluble in glycerol, ppractically insoluble in alcohol
• Formula Weight: 126.04
• Percent Purity: 98.5%
• Grade: Analytical
• Packaging: Glass Bottle
• Specific Gravity: 2.63
• Density: 2.6300g/mL
• Chemical Name or Material: Sodium sulfite, Anhydrous, For analysis

Safety and Handling

Hazard Statement	GHS H Statement: Contact with acids liberates toxic gas.
Precautionary Statement	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.
EINECSNumber	231-821-4

SDS

RUO – Research Use Only