Product information
Pure Kojic Acid Powder is an organic compound, colorless prismatic crystals, easily soluble in water, alcohol, acetone, slightly soluble in ether, ethyl acetate, chloroform, and pyridine, insoluble in benzene, and insoluble to light, heat, and metal ions. Stabilize. It has the functions of whitening and freckle removal, anti-oxidation, etc. It is widely used in cosmetics, food, medicine, and other fields.

Physical Properties
|
Molecular weight |
142.11 |
|
CAS Registry Number |
501-30-4 |
|
EINECS |
207-922-4 |
|
Boiling point |
401.7 ℃ |
|
Density |
1.5 g/cm³ |
|
Flashpoint |
179.9 ℃ |
|
Molecular formula |
C6H6O4 |
|
Melting point (ºC) |
153~154℃ |
|
Applied |
cosmetics field, food processing field |
What are the characteristics of pure kojic acid powder?
Oxidation resistance: Pure kojic acid is a powerful natural antioxidant, which can effectively remove free radicals and reduce oxidative damage. It can help protect cells from oxidative stress and environmental damage.
Anti-inflammatory: Pure kojic acid has certain anti-inflammatory effect, which can reduce inflammatory reaction and promote wound repair and tissue regeneration. It has certain relieving effect on inflammatory diseases such as skin problems and arthritis.
Whitening and anti-aging: Pure kojic acid can inhibit the production of melanin and reduce the appearance of skin spots and freckles, thus having a certain whitening effect. At the same time, it can also stimulate the synthesis of collagen, increase the elasticity and firmness of skin, and improve anti-aging to some extent.
Moisturizing and moisturizing: Pure kojic acid has a good moisturizing ability, which can form a protective layer on the skin surface, lock in moisture and increase the moisture and softness of the skin.
Light stability: pure kojic acid is not easy to decompose under ultraviolet radiation, and has good light stability. It can be used as one of the effective components of sunscreen products to reduce the damage of ultraviolet rays to the skin.
Product function
Antioxidant: Pure kojic acid is a powerful antioxidant, which can scavenge free radicals, reduce oxidative damage of cells and prevent skin aging.
Whitening and lightening spots: Pure kojic acid can inhibit the production of melanin, reduce the appearance of spots and freckles, and even the skin color, making the skin brighter and more translucent.
Anti-aging: Pure kojic acid can stimulate the synthesis of collagen, increase the elasticity and firmness of skin, reduce the appearance of wrinkles and fine lines, and delay the aging process of skin.
Moisturizing and Moisturizing: Pure kojic acid has good moisturizing ability, which can lock in moisture, increase the moisture and softness of skin, and improve dry and rough skin.
Anti-inflammatory and repair: Pure kojic acid has certain anti-inflammatory effect, which can reduce inflammatory reaction and promote wound repair and tissue regeneration.
Sunscreen: Pure kojic acid has good photostability and can be used in sunscreen products, which plays a certain role in resisting the damage of ultraviolet rays.
Uses of Kojic Acid
- Skin care products: pure kojic acid powder can be added to skin care products, such as creams, lotions, essences, etc., with moisturizing, antioxidant, whitening and anti-aging effects. It can improve the moisture balance of skin, reduce the appearance of fine lines and wrinkles, brighten skin tone and make skin smoother, firmer and more elastic.
- Whitening products: Pure kojic acid powder can be used to prepare whitening products, such as whitening mask, whitening essence, etc., which can inhibit the production of melanin, reduce the appearance of spots and freckles, and even the skin color.
- Sunscreen products: Because pure kojic acid has good photostability, it can be used as one of the effective components of sunscreen products to help block the damage of ultraviolet rays and prevent sunburn and photoaging.
- Oral care products: pure kojic acid powder can also be used in oral care products, such as toothpaste, mouthwash, etc., with antibacterial, reducing oral inflammation and bad breath.

Certificate of analysis
|
Item |
Standard of Analysis |
Result |
|
Appearance |
Almost White Crystalline powder |
pass |
|
Assay |
99% |
99.50% |
|
Melting Point |
152-156℃ |
153.6-154.1℃ |
|
Loss on Drying |
≤0.5% |
0.35% |
|
Residue on Ignition |
≤0.1% |
0.09% |
|
Chloride |
≤50ppm |
25ppm |
|
Heavy Metal |
≤3ppm |
<0.10ppm |
|
Iron |
≤10ppm |
Pass |
|
Arsenic |
≤1ppm |
<0.10ppm |
Process flow
Glucose→fermented Broth→Crude Product→Kojic Acid Crystals→ Pure Kojic acid

Company Profile
Our company has a strict quality inspection system, equipped with a variety of inspection equipment, to provide data protection for the production of high-quality products. We adhere to the quality first, customer first service standard for customers to produce high-quality products and provide quality service.
Huilin factory is equipped with a research and quality inspection center, with strong technology research and development strength. There are 3 sales departments over 30 people and sell our products all over the world.

Our Products Classification
We have classified our products into the following 4 types
1. Cosmetics Raw Materials
2. Food; Feed Additives
3. Fruit; Vegetable Powder
4. Plant Extract

Sample Room
We have all kinds of samples for test use, If any needs, please contact us freely.

Why Choose Us?
✔ 24 hours service
✔ Fast Delivery
✔ After-Sales Service
✔ Trustworthiness Cooperation
✔ Quality Suppliers
✔ Professional Packing
Connect us
For more information, please email Ella(ella.zhang@huilinbio-tech.com).
Why choose us?
- We are dedicated to helping our customers succeed.
- Our company has a professional team, high-quality products, dedicated service attitude, and has always been recognized and praised by the industry.
- Our experienced professionals work tirelessly to ensure quality and efficiency.
- The exceptional quality, perfect belief and endless pursuit make our Pure Kojic Acid Powder a solid and complete force in the marketplace.
- We are committed to providing our customers with the highest level of service possible.
- Our factory's facilities are all-encompassing, and the vast workshop area is 100% dedicated to product customization and OEM manufacturing.
- Our knowledgeable staff is always available to answer any questions you may have.
- Our company adheres to the business philosophy of 'people-oriented, science and technology first' to realize the steady improvement of enterprise talent quality and technical strength.
- We take pride in providing our customers with the highest level of satisfaction.
- Increasing productivity while decreasing the production costs is the key to enhance the superiority in competition of Pure Kojic Acid Powder's price.
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