Cosmetic Active Ingredients

Kojic Acid

  • CAS No.501-30-4
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

Premium high-purity Kojic Acid (CAS 501-30-4) designed for effective skin brightening in cosmetics and antioxidant preservation in food applications.

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Product Technical Details

Product Overview

Kojic Acid is a naturally occurring organic acid produced by various species of fungi, particularly Aspergillus and Penicillium. Recognized globally for its exceptional chelating properties and tyrosinase inhibition capabilities, it stands as a cornerstone ingredient in the modern cosmetic and food industries. Our premium grade Kojic Acid is synthesized under strict Good Manufacturing Practice (GMP) conditions to ensure unparalleled purity and consistency.

This versatile compound functions primarily as a potent skin-lightening agent by interfering with the formation of melanin, making it highly effective for treating hyperpigmentation, age spots, and uneven skin tone. Beyond dermatological applications, it serves as a robust antioxidant and preservative in food processing, preventing oxidative rancidity in fats and oils while inhibiting the formation of harmful nitrosamines.

Technical Specifications

ParameterSpecification
CAS Number501-30-4
Molecular FormulaC6H6O4
Molecular Weight142.11 g/mol
AppearanceAlmost White Crystalline Powder
Assay (HPLC)≥99.0%
Melting Point152-156 °C
Loss on Drying≤0.5%
Residue on Ignition≤0.1%
Heavy Metals (Pb)≤3 ppm
Arsenic (As)≤1 ppm
Iron (Fe)≤10 ppm
Chloride≤50 ppm

Industrial Applications

In the cosmetic sector, Kojic Acid is valued for its ability to deliver visible brightening results without the cumulative irritation associated with some hydroquinone-based alternatives. It is commonly formulated into creams, serums, soaps, and lotions at concentrations ranging from 1% to 2.5%. Its compatibility with other active ingredients allows formulators to create synergistic blends for enhanced efficacy.

Within the food industry, this compound acts as a multifunctional additive. It preserves the color and freshness of fruits, vegetables, and meat products by scavenging free radicals. Furthermore, it plays a critical role in agricultural chemistry as a component in biological pesticides and fertilizers, promoting crop yield while maintaining environmental safety standards. It also serves as a key intermediate in the pharmaceutical synthesis of certain antibiotics and flavoring agents like maltol.

Quality Assurance and Storage

Every batch of our Kojic Acid undergoes rigorous quality control testing, including HPLC analysis, heavy metal screening, and microbial limits testing. We provide a comprehensive Certificate of Analysis (COA) with every shipment to guarantee compliance with international regulatory standards.

To maintain stability, the product should be stored in a cool, dry, and well-ventilated area away from strong oxidizing agents. The container must remain tightly closed to prevent moisture absorption. Proper handling ensures the longevity of its chemical properties and performance in your final formulations.