71988

Sulfite de sodium

BioUltra, anhydrous, ≥98% (RT)

• Synonyme(s) : Natrium sulfite
• Formule linéaire : Na₂SO₃
• Numéro CAS: 7757-83-7
• Poids moléculaire : 126.04
• Numéro CE : 231-821-4
• Numéro MDL: MFCD00003503
• Code UNSPSC : 12352302
• ID de substance PubChem : 57652384
• Nomenclature NACRES : NA.25
• Essai: ≥98% (RT)
• Forme: powder
• Solubilité: H₂O: 1 M at 20 °C, clear, colorless

Propriétés

• Niveau de qualité: 200
• Gamme de produits: BioUltra
• Essai: ≥98% (RT)
• Forme: powder
• Impuretés: insoluble matter, passes filter test
• Perte: ≤0.1% loss on drying, 20 °C (HV)
• pH: 9.0-10.5 (25 °C, 1 M in H₂O)
• Solubilité: H₂O: 1 M at 20 °C, clear, colorless
• Traces d'anions: chloride (Cl^-): ≤50 mg/kg; thiosulfate (S₂O₃^2-): ≤200 mg/kg
• Traces de cations: Al: ≤5 mg/kg; As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤200 mg/kg; Li: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg
• Absorption: cut-off at 265 nm in H₂O at 1 M
• Chaîne SMILES: [Na+].[Na+].[O-]S([O-])=O
• InChI: 1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
• Clé InChI: GEHJYWRUCIMESM-UHFFFAOYSA-L

Description

Application

• Tuning Structural Characteristics of Corn Stover Through Ammonium and Sodium Sulfite (ASS) Pretreatment for Enhanced Enzymatic Hydrolysis.: This study demonstrates the effective use of sodium sulfite in pretreating biomass to enhance its enzymatic breakdown, crucial for improving biofuel production efficiency (Chen X et al., 2024).


• A Soy Protein-Based Film Based on Chemical Treatment and Microcrystalline Cellulose Reinforcement Obtained from Corn Husk Byproducts.: Highlights the application of sodium sulfite in the development of biodegradable films, showcasing its potential in creating sustainable materials in the food packaging industry (Zhang B et al., 2024).


• Sodium Sulfite as a Novel Hypoxia Revulsant Involved in Hypoxic Regulation in Escherichia coli.: Investigates sodium sulfite′s role as a hypoxia revulsant, providing insights into its biochemical applications for managing bacterial growth under low oxygen conditions, relevant for biomedical research and microbial management (Ye Q et al., 2024).


• Modelling energy-harvesting processes in primitive cells: Proton transport across bilayers driven by the oxidation of sulfite.: Explores the potential of sodium sulfite in facilitating proton transport across biological membranes, which is crucial for understanding cellular energy mechanisms and could lead to advancements in bioenergy and synthetic biology (Paula S et al., 2024).

Autres remarques

Cleaves disulfide bonds to form the S-sulfonate derivative; Inhibits gram positive bacteria in culture media;

Informations sur la sécurité

• Code de la classe de stockage: 13 - Non Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable
• Équipement de protection individuelle: Gloves