• Kojic Acid CAS 501-30-4
  • Kojic Acid CAS 501-30-4
  • Kojic Acid CAS 501-30-4

Kojic Acid CAS 501-30-4

Kojic Acid (CAS 501-30-4) is a highly effective functional additive widely utilized in skin care formulations. It is primarily applied for its skin-brightening and anti-aging properties. Suitable for use in cosmetic products, it helps to reduce pigmentation and even skin tone.

  • CAS: 501-30-4
  • Synonyms: Kojic acid, 5-hydroxy-2-hydroxymethyl-4-pyrone, Kojic acid powder, Pyrone derivative
  • Einecs: 207-922-4
  • Molecular Formula: C₆H₆O₄
  • Grade: 99%
  • Package: 1kg/bag,25kg/drum
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Product Description

Kojic Acid CAS 501-30-4 is supplied as a formulation raw material for cosmetic and personal care applications. It is commonly used in brightening, tone-evening, and related topical systems where ingredient identity, appearance, packaging, and handling consistency are important for formulation work.

Product Overview

Kojic Acid is supplied for use in cosmetic raw material and personal care formulation sectors. The product is generally presented as kojic acid powder and is identified under CAS 501-30-4, with common naming references including 5-hydroxy-2-hydroxymethyl-4-pyrone.

This material is suitable for topical formulation systems where brightening-oriented positioning, formulation compatibility, and controlled storage conditions are required. Packaging and supporting technical documentation may vary according to the supplied grade.

Product Information / Specifications

Product NameKojic Acid
CAS No.501-30-4
EINECS No.207-922-4
Molecular FormulaC6H6O4
AppearanceColorless prismatic crystals or powder form supplied according to grade
GradeTypically supplied as 99% grade
Synonyms5-Hydroxy-2-hydroxymethyl-4-pyrone; Kojic Acid Powder

Physical & Chemical Properties

  • Melting Point: Commonly reported in the range of 152–155°C.
  • Solubility: Readily soluble in water, alcohol, and acetone; limited solubility may apply in some organic solvents.
  • Stability: Storage should avoid strong light, high heat, and oxidizing materials. The product may discolor under unsuitable storage conditions.

Applications

Kojic Acid is commonly applied in cosmetic and personal care formulations where brightening-oriented positioning is required.

  • Brightening creams, gels, and lotion systems
  • Tone-evening facial care formulations
  • Topical cosmetic systems positioned for uneven skin tone appearance
  • Formulation programs where kojic acid is selected as a functional personal care ingredient

Packaging

Standard packaging shown for this product includes 1 kg bags and 25 kg drums. Packaging information may vary according to grade and supply arrangement.

Storage Conditions

Store in a cool, dry, and dark place. Keep the container tightly sealed and protected from moisture, excessive heat, and direct light exposure.

Segregated storage away from oxidizing substances is recommended. When stored under suitable conditions, shelf life is commonly indicated as up to 2 years according to the source page.

Safety Precautions

Handling should follow standard chemical raw material procedures. Avoid direct skin contact, eye contact, and inhalation of dust during transfer or formulation work.

Suitable protective equipment should be used during handling. Technical documents such as COA, TDS, and SDS may be provided according to the supplied grade.

FAQ - Technical & Supply Chain

  • Q:

    What is Kojic Acid CAS 501-30-4 and how is it used in cosmetic formulations?

    A: Kojic Acid (CAS 501-30-4) is a functional raw material used primarily in brightening and tone-evening cosmetic formulations. It is commonly incorporated into creams, gels, serums, and lotions within the personal care sector.
  • Q:

    Is Kojic Acid the same as 5-hydroxy-2-hydroxymethyl-4-pyrone?

    A: Yes. These names refer to the same product identity under CAS 501-30-4. Kojic Acid is also referred to in formulation contexts as 5-hydroxy-2-hydroxymethyl-4-pyrone or simply as kojic acid powder.
  • Q:

    What grade and purity is Kojic Acid typically supplied in?

    A: Kojic Acid is typically supplied as a 99% grade. The physical form is generally powder or crystalline, depending on the production grade and packaging specification.
  • Q:

    What packaging options are available for Kojic Acid?

    A: Standard packaging includes 1 kg bags and 25 kg drums. Packaging may vary according to the specific grade and supply arrangement.
  • Q:

    What storage conditions are recommended for Kojic Acid?

    A: Store in a cool, dry, and dark place away from heat, moisture, and direct light. The container should be kept tightly sealed. When stored under suitable conditions, shelf life is commonly up to 2 years.
  • Q:

    Can Kojic Acid be combined with other brightening ingredients in formulations?

    A: Yes. Kojic Acid is commonly used alongside other brightening-oriented ingredients in topical cosmetic systems. Formulators should evaluate compatibility based on the target formulation type and pH conditions.
Documents

Documents and Product Support

For product review and sourcing evaluation, supporting documents can be coordinated according to the product type, inquiry stage, and order requirements.

  • COA for batch-based quality reference
  • TDS for key physical and chemical information
  • SDS / MSDS for handling, storage, and safety reference
  • Packing information for sample, trial, and bulk orders
  • Technical communication based on application and specification requirements
Quotation

Information to Confirm Before Quotation

Clear sourcing information helps reduce specification mismatch and allows a more accurate quotation before sample or bulk order discussion.

  • Product name and CAS number
  • Application or intended end use
  • Required purity, grade, or specification
  • Sample quantity, trial order, or bulk demand
  • Preferred packing form or net weight
  • Destination country or port
  • Required documents or compliance expectations
Storage & Handling

Packaging, Storage, and Handling Notes

Packaging form, storage conditions, shelf life, and shipment arrangements should be confirmed according to the product characteristics, package size, and destination requirements.

Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.

Supply Support

Sample, Bulk Order and Repeat Supply Support

Support can be arranged for sample discussion, bulk supply planning, packaging confirmation, and routine sourcing communication based on the actual product and order requirements.

For repeat-use formulations or long-term procurement plans, buyers may discuss specification consistency, packaging preferences, delivery expectations, and document coordination in advance.

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