China Skin Whitening Ascorbyl Glucoside Powder CAS 129499-78-1, Find details about China 129499-78-1, C12h18o11 from Skin Whitening Ascorbyl Glucoside Powder CAS 129499-78-1
Items | Specification |
Appearance | White crystalline powder |
Assay | ≥98% |
Melting point | 158~163ºC |
Clarity of water solution | Transpency,colorless,nonesuspended matters |
Specific optical rotation | [α]D20=+186~188° |
Free ascorbic acid | ≤0.1% |
Free glucose | ≤0.1% |
Heaby metal | ≤10ppm |
Arsenc | ≤2ppm |
Loss on drying | ≤1.0% |
Ignition residue | ≤0.5% |
Pathogen | Bacteria:≤300cfu/g Fungus:≤100cfu/g |