71988

亚硫酸钠

BioUltra, anhydrous, ≥98% (RT)

• 同義詞: Natrium sulfite
• 線性公式: Na₂SO₃
• CAS號碼: 7757-83-7
• 分子量：: 126.04
• EC號碼: 231-821-4
• MDL號碼: MFCD00003503
• 分類程式碼代碼: 12352302
• PubChem物質ID: 57652384
• NACRES: NA.25

屬性

• 產品線: BioUltra
• 化驗: ≥98% (RT)
• 形狀: powder
• 雜質: insoluble matter, passes filter test
• 損耗: ≤0.1% loss on drying, 20 °C (HV)
• pH值: 9.0-10.5 (25 °C, 1 M in H₂O)
• 溶解度: H₂O: 1 M at 20 °C, clear, colorless
• 負離子痕跡: chloride (Cl^-): ≤50 mg/kg; thiosulfate (S₂O₃^2-): ≤200 mg/kg
• 正離子痕跡: 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
• 吸收: cut-off at 265 nm in H₂O at 1 M
• SMILES 字串: [Na+].[Na+].[O-]S([O-])=O
• InChI: 1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
• InChI 密鑰: GEHJYWRUCIMESM-UHFFFAOYSA-L

描述

應用

• 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).

其他說明

裂解二硫键形成 S-磺酸酯衍生物 ；抑制培养基中的革兰氏阳性菌；

安全資訊

• 儲存類別代碼: 13 - Non Combustible Solids
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable
• 個人防護裝備: Gloves