100g/bag; 500g/bag; 1kg/bag; 25kg/drum
Test Items | Specifications |
Appearance | White Crystals Or Crystalline Powder |
Identification | IR Spectrum |
Melting Point | 202~210℃ |
Clarity Of Water Solution | Transparent, Colorless, None Suspended Matters |
PH | 5.0~7.0 |
Specific Rotation | +175°~+185° |
Loss On Drying | ≤0.5% |
Residue On Ignition | ≤0.5% |
Hydroquinone | Negative |
Lead | ≤10mg/kg |
As | ≤2mg/kg |
Mercury | ≤1mg/kg |
Methanol | ≤2000mg/kg |
Aerobic Bacterial Count | ≤1000cfu/g |
Molds And Yeast Count | ≤100cfu/g |
Fecal Coliforms | Negative |
Staphylococcus Aureus | Negative |
Pseudomonas Aeruginosa | Negative |
Purity(HPLC) | ≥99.5% |
100g/bag; 500g/bag; 1kg/bag; 25kg/drum
Store in a cool, dry and ventilated place.
2 - 8 °C
Reduce melanin, freckle and whitening cosmetic raw materials
It can help reduce the appearance of age spots (brown spots), freckles and sun spots
AA can help lighten dark spots and lessen the appearance of purple, red or brown acne scars.