Sodium Bisulphite (Food Grade)
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)
Sodium Bisulphite Tech Grade (NaHSO₃) CAS 7631-90-5
Product Name: Sodium Bisulphite
Grade: Tech Grade
Chemical Formula: NaHSO₃
Molecular Weight: 104.06
CAS No.: 7631-90-5
Appearance: White to slightly yellowish crystalline powder
Sulfur Dioxide (SO₂) Content: ≥ 64% (Result: 65.4%)
Sodium Bisulphite (NaHSO₃) Content: ≥ 99% (Result: 99.4%)
Water-Insoluble: ≤ 0.03% (Result: 0.006%)
Iron (Fe): ≤ 0.004% (Result: 0.002%)
Heavy Metal (Pb): ≤ 0.001% (Result: 0.0005%)
Stability: Oxidizes to sulfate when exposed to air