Kojic acid
£1.00
Common name: Kojic acid
Chemical name:5-hydroxy-2-(hydroxymethyl)-4-pyrone
CAD NO.:501-30-4
- Description
- Online Inquiry
Physical and chemical properties:
Appearance: Almost white crystal or crystal powder
Melt point (℃): 152-155
Stability: stable in heat condition, in light.
Specifications
paper drum 25 kgs net each.
Main index
| Item | Index |
| Appearance | White or cream colored acicular crystal |
| Clarity of solution | Colorless and transparent |
| Pathogens | None < undetacted) |
| Melting Point | 152-155 |
| Purity | 99.0% min |
| Loss an drying | 0.5% max |
| Residue on ignition | 0.1% max |
| Iron | 10ppm max |
| Heavy metals | 3ppm max |
| Arsenic | 1ppm max |
| Chloride | 50ppm max |
Uses:
Kojic acid is a kind of specialized inhibitor for melanin.It can prevent the tyrosinase activity through synthesizing with copper ion in the cells after it enters skin cells.Kojic acid and its derivative has better inhibitory effect on tyrosinase than any other skin whitening agents.At present it is assigned into various kinds of cosmetics (such as lotion,face mask,liquid cream and skin cream) for curing freckles,spots on the skin of old man,pigmentation andacne.Kojic acid in concentration of 20ug/ml is able to inhibit 70~80%of the activity of many kinds of tyrosinases (or polyphenoloxidase PPO).
