food-grade sodium bisulphite
Sodium Bisulphite Food Grade (NaHSO₃) CAS 7631-90-5
Product Name: Sodium Bisulphite
Grade: Food Grade
Chemical Formula: NaHSO₃
Molecular Weight: 104.06
CAS No.: 7631-90-5
Appearance: White crystalline powder with odor of sulfur dioxide
Stability: Oxidizes to sulfate when exposed to air
Water-Insoluble: ≤ 0.01%
SO₂ Content: 58.5–67.4% (Result: 65%)
Iron (Fe): ≤ 50 mg/kg (Result: 42.2 mg/kg)
Arsenic (As): ≤ 2 mg/kg (Result: <2 mg/kg)
Lead (Pb): ≤ 2 mg/kg (Result: <0.005 mg/kg)
Heavy Metals (Pb): ≤ 5 mg/kg (Result: <5 mg/kg)
Selenium (Se): ≤ 5 mg/kg (Result: 0.1 mg/kg)