Whitening Raw Material Ascorbic Acid 2 Glucoside CAS 129499-78-1
------------cosmetics raw material
Item |
Specifications |
Appearance |
White crystalline powder |
Assay |
≥98% |
Melting point |
158~163℃ |
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 |
Loss on drying |
≤1.0% |
Ignition residue |
≤0.5% |
Pathogen |
Bacteria:≤300cfu/g Fungus:≤100cfu/g |
Packaging: 25kgs/drums.
Shipping:within 3-5 days after receipt of your payment