Kojic acid is skin care and whitening materials. So it is very important for you to have high quality Kojic acid if you want to buy. TNJ Chemical is your first choice if you know well about China market on Kojic acid. TNJ Chemical has more than 15 years history on Kojic acid. If you have any inquiry, please feel free to contact sales@tnjchem.com
Kojic acid CAS 501-30-4 is a chelation agent produced by several species of fungi, 
especially Aspergillus oryzae. It is a mild inhibitor of the formation of pigment in plant and animal tissues, and is used in food and cosmetics to preserve or change colors of substances. It forms a bright red complex with ferric ions.
Specification of Kojic acid
Appearance White or off white crystal
Purity,% ≥99.0Melting point,℃ 152-156
Loss on drying,% ≤1
Ignition residue,% ≤0.1
Chloride,mg/KG ≤100
Heavy metal,% ≤0.001
Arsenic,% ≤0.0001
Ferrum,% ≤0.001
Microbiological test Bacteria ≤3000cfu/g
Eumycete ≤50cfu/g
Coli-Index Negative
Application of Kojic acid
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 for curing freckles, spots on the skin of old man,pigmentation and acne.
Kojic acid can also eliminate free radical, strengthen cell activity of cell and keep the food fresh.It is widely used in the fields of medicine and food.
Packing
1kg/aluminium bag, 25 kg fibre drum
Total 9 MT per 20ft container with pallets,12 MT without pallets.
Storage & Handling
Stored in cool and airy place; away from fire and heat; handle with care;no breakage, avoid leakage.
It is valid for 2 years under proper condition.
Please refer to MSDS for more information about Safety, Storage and Transportation.
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