Description

Kojic Acid is a naturally occurring organic acid produced by several species of fungi, recognized for its potent tyrosinase-inhibiting properties. This makes it a highly effective and sought-after ingredient for controlling enzymatic browning and melanin synthesis. It serves as a critical raw material for manufacturers in the cosmetics, personal care, and food industries, where product stability, efficacy, and safety are paramount.

Application

• Skin Lightening & Brightening Agents: A primary active ingredient in creams, serums, and lotions designed to reduce hyperpigmentation, age spots, and melasma.
• Antioxidant Formulations: Used in cosmetic and skincare products to protect the skin from oxidative stress and improve product shelf life.
• Food Preservation: Applied to prevent enzymatic browning in fruits, vegetables, and seafood, maintaining color and freshness.
• Agricultural Products: Utilized in certain formulations to inhibit undesirable pigmentation in crops.
• Research & Development: Serves as a biochemical reagent and standard in studies related to enzyme inhibition and melanogenesis.
• Hair Care Products: Incorporated into shampoos and conditioners to help reduce discoloration or brassiness in treated hair.

Basic Information

Product Name	Kojic Acid
CAS No.	501-30-4
Molecular Formula	C6H6O4
Molecular Weight	142.11 g/mol
Synonyms	5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one; 5-Hydroxy-2-(hydroxymethyl)-4-pyrone; Kojic Acid; Kojic; 2-Hydroxymethyl-5-hydroxy-γ-pyrone; 4H-Pyran-4-one, 5-hydroxy-2-(hydroxymethyl)-; Peroxyline
EINECS No.	207-922-4

Quality Control

Our Kojic Acid is produced and tested under strict quality management systems to ensure it meets the high standards required for cosmetic and food applications. We provide comprehensive Certificates of Analysis (COA) with each batch, detailing purity, identity, and impurity profiles. Specifications can be aligned with common industry benchmarks for cosmetic-grade materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere); prolonged exposure to air, light, or heat should be avoided to maintain stability and efficacy.

Specification

Item	Specification
Appearance	White to light yellow crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	152°C - 156°C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Microbiological Analysis	Meets cosmetic-grade requirements

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.