Sodium metabisulfite, for analysis

Description

Reduction reagent | CAS: 7681-57-4 | Na2O5S2 | 190.09 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: 7681-57-4
• Molecular Formula: Na2O5S2
• Molecular Weight (g/mol): 190.09
• MDL Number: MFCD00167602
• InChI Key: LDTLADDKFLAYJA-UHFFFAOYSA-L
• Synonym: sodium metabisulfite, sodium pyrosulfite, sodium disulfite, disodium pyrosulfite, sodium metabisulphite, disodium disulfite, disodium disulphite, fertisilo, disodium metabisulfite, natrii disulfis
• PubChem CID: 656671
• IUPAC Name: disodium (sulfinatooxy)sulfinate
• SMILES: [Na+].[Na+].[O-]S(=O)OS([O-])=O

• Melting Point: 150.0°C
• Color: White
• Physical Form: Crystalline Powder
• Quantity: 500 g
• Linear Formula: Na₂S₂O₅
• Merck Index: 15, 8724
• Solubility Information: Solubility in water: 540g/L (20°C). Other solubilities: freely soluble in glycerol, slightly soluble in alcohol
• Formula Weight: 190.1
• Percent Purity: ≥58.5% (SO2)
• Grade: Analytical
• Packaging: Plastic bottle
• Density: 1.4800g/mL
• Chemical Name or Material: Sodium metabisulfite

Safety and Handling

Hazard Category	GHS Signal Word: Danger
Hazard Statement	GHS H Statement Harmful if swallowed. Causes serious eye damage. Contact with acids liberates toxic gas.
Precautionary Statement	GHS P Statement Wear eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physici
EINECSNumber	231-673-

SDS

RUO – Research Use Only