Sodium sulfite

• Catalog No.: 71988
• CAS Number: 7757-83-7
• M. F.: Na2O3S
• M. W.: 126.04274
• Purity: ≥98.0% (RT)

SYNONYMS

• Title: 亚硫酸钠
• IUPAC name: disodium sulfite
• IUPAC Traditional name: disodium sulfite

DATABASE IDS

• MDL Number: MFCD00003503
• EC Number: 231-821-4
• CAS Number: 7757-83-7
• PubChem SID: 24886335

PROPERTIES

• abs.: absorption1M/265 nm, H2O cut-off
• Antion Traces: chloride (Cl-): ≤50 mg/kg
• Antion Traces: thiosulfate (S2O32-): ≤200 mg/kg
• Cation Traces: Al: ≤5 mg/kg
• Cation Traces: As: ≤0.1 mg/kg
• Cation Traces: Ba: ≤5 mg/kg
• Cation Traces: Bi: ≤5 mg/kg
• Cation Traces: Ca: ≤10 mg/kg
• Cation Traces: Cd: ≤5 mg/kg
• Cation Traces: Co: ≤5 mg/kg
• Cation Traces: Cr: ≤5 mg/kg
• Cation Traces: Cu: ≤5 mg/kg
• Cation Traces: Fe: ≤5 mg/kg
• Cation Traces: K: ≤200 mg/kg
• Cation Traces: Li: ≤5 mg/kg
• Cation Traces: Mg: ≤5 mg/kg
• Cation Traces: Mn: ≤5 mg/kg
• Cation Traces: Mo: ≤5 mg/kg
• Cation Traces: Ni: ≤5 mg/kg
• Cation Traces: Pb: ≤5 mg/kg
• Cation Traces: Sr: ≤5 mg/kg
• Cation Traces: Zn: ≤5 mg/kg
• Impurities: insoluble matter, passes filter test
• Linear Formula: Na2SO3
• Loss on Drying: ≤0.1% loss on drying, 20 °C (HV)
• Product Line: BioUltra
• Purity: ≥98.0% (RT)
• pH: 9.0-10.5 (25 °C, 1 M in H2O)
• Solubility: H2O: soluble1 M at 20 °C, clear, colorless
• Personal Protective Equipment: Gloves
• Risk Statements: 31
• RTECS: WE2150000
• Supplemental Hazard Statements: Contact with acids liberates toxic gas.
• German water hazard class: 1

DETAILS

Description (English)

Other Notes
Cleaves disulfide bonds to form the S-sulfonate derivative1; Inhibits gram positive bacteria in culture media;

Description (简体中文)

Other Notes
Cleaves disulfide bonds to form the S-sulfonate derivative1; Inhibits gram positive bacteria in culture media;