Potassium disulfite

• Catalog No.: 60509
• CAS Number: 16731-55-8
• M. F.: K2O5S2
• M. W.: 222.3236
• Purity: ≥96% (RT)

SYNONYMS

• Title: 焦亚硫酸钾
• IUPAC name: dipotassium sulfinatosulfonate
• IUPAC Traditional name: dipotassium metabisulfite
• Synonyms: 偏硫代硫酸钾; Potassium pyrosulfite; Potassium metabisulfite; 偏重亚硫酸钾

DATABASE IDS

• CAS Number: 16731-55-8
• MDL Number: MFCD00167605
• EC Number: 240-795-3

PROPERTIES

• Antion Traces: chloride (Cl-): ≤50 mg/kg
• Cation Traces: Ca: ≤50 mg/kg
• Cation Traces: Cd: ≤50 mg/kg
• Cation Traces: Co: ≤50 mg/kg
• Cation Traces: Cu: ≤50 mg/kg
• Cation Traces: Fe: ≤50 mg/kg
• Cation Traces: Na: ≤1000 mg/kg
• Cation Traces: Ni: ≤50 mg/kg
• Cation Traces: Pb: ≤50 mg/kg
• Cation Traces: Zn: ≤50 mg/kg
• Grade: purum p.a.
• Linear Formula: K2S2O5
• Purity: ≥96% (RT)
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves
• GHS Precautionary statements: P261-P305 + P351 + P338
• Risk Statements: 31-36/37/38
• RTECS: TT4920000
• Safety Statements: 26-36
• Supplemental Hazard Statements: Contact with acids liberates toxic gas.
• German water hazard class: 1