Magnesium Ascorbyl Phosphate (MAP, CAS 9004-61-9) | Stable Vitamin C Derivative Cosmetic Ingredient | Amorewell

Cosmetic Additives

Magnesium Ascorbyl Phosphate (MAP, CAS 9004-61-9) | Stable Vitamin C Derivative Cosmetic Ingredient | Amorewell

  • INCI Name: Magnesium Ascorbyl Phosphate
  • CAS Number: 9004-61-9 (also reported CAS: 113170-55-1 / 114040-31-2)
  • Appearance: White to off-white powder
  • Purity: ≥95%
  • pH (3% solution): 7.0 – 8.5
  • Function: Antioxidant / skin brightening agent
  • Type: Vitamin C derivative
  • Solubility: Water soluble

    • Product Information

    Product Overview

    Magnesium Ascorbyl Phosphate (MAP) is a water-soluble, stable derivative of Vitamin C (ascorbic acid) widely used in cosmetic formulations.

    Compared with pure Vitamin C, MAP offers higher stability, lower irritation potential, and better compatibility in skincare systems, making it ideal for modern functional skincare products.

    It is commonly used in brightening, anti-aging, and antioxidant cosmetic formulations.

    Key Benefits

    ✔ Stable Vitamin C derivative with excellent formulation compatibility
    ✔ Helps improve skin brightness and radiance appearance
    ✔ Provides antioxidant protection against free radicals
    ✔ Supports collagen-related skin conditioning systems
    ✔ Mild and suitable for sensitive skin formulations
    ✔ Water-soluble and easy to formulate

    Applications

    Skincare Applications

    • Brightening serums
    • Anti-aging creams
    • Whitening skincare products
    • Daily moisturizing lotions
    • Sensitive skin formulations

    Functional Cosmetic Systems

    • Vitamin C stable delivery systems
    • Antioxidant skincare complexes
    • Collagen-supporting formulations
    • Skin tone improvement systems

    Specifications

    Items Specifications
    Appearance White or pale yellowish powder or granule
    Purity  ≥ 95
    PH value (3% aqueous solution) 7.0-8.5
    Color of solution (APHA) ≤ 40
    Water ≤ 29.0
    Arse-nic % ≤ 0.0002
    Free ascorbic acid % ≤ 0.5
    Free phos-phoric acid % ≤ 1.0
    Free phos-phoric acid % ≤ 0.35
    Heavy Metals (Pb) % ≤ 0.001

    Why Choose Amorewell MAP

    Amorewell supplies high-quality stable Vitamin C derivatives for global cosmetic manufacturers.

    ✔ High stability compared to pure ascorbic acid
    ✔ Suitable for pH-balanced formulations
    ✔ Consistent batch-to-batch quality
    ✔ Global cosmetic ingredient supply capability
    ✔ OEM and formulation support available

    Packaging

    • 100 g / bottle
    • 500 g / bottle
    • 1 kg / bag
    • 25 kg / drum
    • Customized packaging available

    Magnesium Ascorbyl Phosphate (MAP, CAS 9004-61-9) | Stable Vitamin C Derivative Cosmetic Ingredient | Amorewell

    • INCI Name: Magnesium Ascorbyl Phosphate
    • CAS Number: 9004-61-9 (also reported CAS: 113170-55-1 / 114040-31-2)
    • Appearance: White to off-white powder
    • Purity: ≥95%
    • pH (3% solution): 7.0 – 8.5
    • Function: Antioxidant / skin brightening agent
    • Type: Vitamin C derivative
    • Solubility: Water soluble
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