Sodium sulfite

• Catalog No.: 13471
• CAS Number: 7757-83-7
• M. F.: Na2O3S
• M. W.: 126.04274
• Purity: 95.0-100.0% (iodometric)

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: 24848175

PROPERTIES

• Antion Traces: chloride (Cl-): ≤200 mg/kg
• Cation Traces: Fe: ≤10 mg/kg
• Cation Traces: Se: ≤10 mg/kg
• Cation Traces: Zn: ≤10 mg/kg
• Grade: puriss.
• Impurities: residual solvents, complies
• Impurities: ≤0.001% heavy metals (as Pb)
• Impurities: ≤0.05% thiosulfate (S2O3)
• Linear Formula: Na2SO3
• Purity: 95.0-100.0% (iodometric)
• Quality: meets analytical specification of Ph. Eur., BP, NF
• Suitability: complies for appearance of solution
• Personal Protective Equipment: Gloves
• Risk Statements: 31
• RTECS: WE2150000
• Supplemental Hazard Statements: Contact with acids liberates toxic gas.
• German water hazard class: 1