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Kojic Acid Dipalmitate CAS 79725-98-7 - China Suppliers & Factory - High-Quality Lipid-Soluble Compound
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Kojic Acid Dipalmitate CAS 79725-98-7 - China Suppliers & Factory - High-Quality Lipid-Soluble Compound

Introducing Kojic Acid Dipalmitate, a premium chemical compound widely recognized for its versatile applications. Chemical Name: Kojic Acid Dipalmitate  
CAS No.: 79725-98-7
Molecular Formula: C38H66O6
Molecular Weight: 618.93
Appearance: White sheet crystal.
Sample: We offer free samples to our clients.

This lipid-soluble compound is readily soluble in mineral oils, esters, and hot ethanol, making it a popular choice among manufacturers. However, it is insoluble in water, which enhances its stability in various formulations. As one of the leading suppliers and factory producers located in China, we ensure that our Kojic Acid Dipalmitate meets the highest quality standards to cater to your specific needs.

    Typical Properties
    Item Specifications
    Appearance White sheet crystal
    Assay ≥98.0%
    Melting Point 92~96℃
    Loss on Drying ≤0.5%
    Ignition Residue ≤0.5%
    Color Reaction of Ferric Chloride Negative
    Heavy Metal ≤10ppm
    Arsenic ≤2ppm
    Pathogen Bacteria: ≤300 cfu/g  |  Fungus: ≤100 cfu/g
    Core Characteristics & Advantages
    🛡️ 1. Ultimate Stability

    Solves the fatal flaws of traditional Kojic Acid — sensitive to light and heat, prone to discoloration.

    Mechanism: Active hydroxyl group is esterified and blocked by palmitic acid, making it highly stable against light, heat, oxygen, and metal ions.

    Data: In accelerated testing (45°C / 60% RH for 3 months), active retention rate is >90% (vs. only 58% for Kojic Acid).

    Benefit: Resists yellowing and loss of efficacy without requiring large amounts of additional stabilizers.

    2. Highly Efficient Whitening

    Tyrosinase Inhibition: Chelates copper ions (Cu²⁺) at the enzyme's active center, strongly blocking the key rate-limiting step of melanin synthesis — superior to Kojic Acid and Arbutin.

    Blocking Melanin Production: Reduces spots and dullness from the source; efficacy rate exceeds 80%.

    Gentle Brightening: Offers antioxidant benefits, improving uneven skin tone and aging-related dullness.

    🌿 3. Safety & Low Irritation

    Structure: Lipid-soluble structure reduces skin penetration irritation, eliminating the burning sensation of traditional Kojic Acid.

    Patch Test: At 2% concentration, no irritation to healthy skin. Irritation index for sensitive skin is only 0.8 (vs. 2.3 for Kojic Acid).

    Usage: Non-photosensitive, safe for daytime use, no risk of rebound hyperpigmentation.

    ⚗️ 4. Excellent Formulation Compatibility

    Solubility: Lipid-soluble; easily integrates into oil-phase systems like creams and lotions.

    Compatibility: Does not conflict with most preservatives, sunscreens, vitamins, and plant extracts.

    Penetration: Strong penetration power, effectively reaching skin targets.

    Main Efficacy & Applications
    🎯 Core Efficacy Whitening & Spot Fading: Fades melasma, age spots, acne marks, and post-inflammatory hyperpigmentation (PIH).
    Brightening Skin Tone: Improves dullness and sallow complexion, leaving skin translucent and fair.
    Antioxidant: Scavenges free radicals and assists in preventing photo-aging.
    🧴 Application Areas (Cosmetics)
    • Whitening Creams / Serums
      Focus on spot fading and brightening.
    • Spot Correctors
      Targets stubborn pigmentation and acne marks.
    • Sunscreen / Primers
      Synergistic whitening effect to prevent tanning.
    • Body Lotions / Hand Creams
      All-over body whitening.
    • Makeup / Foundation
      Brightens complexion while providing concealing and skin-nourishing benefits.
    Package & Storage
    📦
    Package 25 kg / drum
    🌡️
    Storage Store in a cool, dry, and dark place in a sealed container.
    Frequently Asked Questions
    Q What is Kojic Acid Dipalmitate and how does it differ from regular Kojic Acid?
    Kojic Acid Dipalmitate is a lipid-soluble ester derivative of Kojic Acid, formed by esterifying the active hydroxyl group with palmitic acid. Unlike regular Kojic Acid, it is highly stable against light, heat, oxygen, and metal ions, with an active retention rate exceeding 90% in accelerated testing — compared to only 58% for standard Kojic Acid. It also causes significantly less skin irritation.
    Q How does Kojic Acid Dipalmitate achieve its whitening effect?
    It works by chelating the copper ions (Cu²⁺) at the active center of tyrosinase, which is the key enzyme responsible for melanin synthesis. By strongly inhibiting this rate-limiting step, it reduces melanin production from the source. Its whitening efficacy rate exceeds 80%, and its inhibition efficiency is superior to both Kojic Acid and Arbutin.
    Q Is Kojic Acid Dipalmitate safe for sensitive skin and daytime use?
    Yes. At a 2% concentration, it causes no irritation to healthy skin, and its irritation index for sensitive skin is only 0.8 (compared to 2.3 for regular Kojic Acid). It is non-photosensitive, making it safe for daytime use with no risk of rebound hyperpigmentation.
    Q What types of cosmetic formulations is Kojic Acid Dipalmitate compatible with?
    Due to its lipid-soluble nature, it integrates easily into oil-phase systems such as creams, serums, lotions, and foundations. It is compatible with most preservatives, sunscreens, vitamins, and plant extracts, offering excellent formulation flexibility without causing conflicts with other ingredients.
    Q What is the recommended purity and physical form of this product?
    The product appears as white sheet crystals with an assay of ≥98.0%. Its melting point is 92–96℃, loss on drying is ≤0.5%, and it meets strict quality standards including heavy metal content ≤10ppm and arsenic ≤2ppm, ensuring high-grade cosmetic raw material quality.
    Q How should Kojic Acid Dipalmitate be stored and what is the standard packaging?
    It should be stored in a cool, dry, and dark place in a sealed container to maintain its stability and active integrity. The standard packaging is 25 kg per drum, suitable for industrial cosmetic manufacturing and bulk procurement.

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