Specification：
Item | Standards |
Appearance | White to off-white crystalline powder |
Content of water | ≤1.00% |
pH(3% solution) | 3.00-4.50 |
Solubility (100g/L) | Colorless to light yellow,clear liquid |
Meltingpoint | 111.0-116℃ |
Purity | ≥99.0% |
Total bacteria | < 100 CFU/g |
Yeast and mold | < 10 CFU/g |
Hg | < 0.05 mg/kg |
Ar | < 2 mg/kg |
Pb | < 5 mg/kg |
Usage：
0.1~3.0%. Applicable to whitening products and anti-wrinkle/anti-ageing products.
Adding method：
Evenly dissolved in deionized water at about 50℃.
Package：
1.0kg/aluminum foil bag, 10 aluminum foil bags/carton.
Storage：
Stored in sealed receptacles at room temperature, away from the light and moisture, two-year validity.
