Preservative Kojic Acid 501-30-4

CAS No.: 501-30-4
Type.: Preservative, Skin whitening agents
Appearance: White crystals
Molecular Formula： C6H6O4
Shelf Life： -1 Year
Min Order Quantity: 1 kg

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Item	Min	Max
Appearance	White crystals	Off-white crystal
Melting point	152. 0℃	156. 0℃
Loss on drying	--	0. 5%
Residue on ignition	--	0. 1%
Assay	98.0%	--
Pb (mg/kg)	--	10.0
As (mg/kg)	--	2.0
Cd (mg/kg)	--	5.0
Hg (mg/kg)	--	1.0

(1) Applied in Cosmetics, Kojic acid and its derivative has better inhibitory effect on tyrosinase than any other skin whitening agents.

Kojic acid has been widely added into the lotion, face mask, liquid cream and skin cream for curing freckles, spots on the skin of old man, pigmentation and acne.

(2) Applied in Food additive, kojic acid work as antiseptic, antioxidant, preservative and color stablizer in meat processing, fresh vegetables, fruits and seafood.