What is Ascorbic Acid Palmitate 137-66-6?
Ascorbic Acid Palmitate (CAS 137-66-6), also known as Ascorbyl Palmitate, is a fat-soluble derivative of vitamin C formed by combining ascorbic acid (vitamin C) with palmitic acid. It is widely used as an antioxidant, stabilizer, and preservative in food systems, cosmetics, pharmaceuticals, and nutraceutical formulations.
For B2B buyers, including food manufacturers, cosmetic brands, pharmaceutical companies, and supplement producers, this ingredient offers a high-performance, multifunctional, and stable antioxidant solution for oil-based and emulsified systems.
Main Active Ingredients & Technical Profile
|
Component |
Specification |
Functional Role |
|
Ascorbyl Palmitate |
≥95% / ≥98% |
Core antioxidant |
|
Palmitic Acid Moiety |
Bound |
Lipid solubility |
|
Residual Solvents |
Complies |
Safety standard |
|
Heavy Metals |
≤10 ppm |
Regulatory compliance |
|
Loss on Drying |
≤2% |
Stability |
COA
|
Analysis |
Specification |
Result |
|
Physical Description |
|
|
|
Appearance |
White or light yellow fine powder |
White fine powder |
|
Specific rotation |
+21.0°~+24° |
+22.0° |
|
Melting point |
107~117°C |
112~116°C |
|
Chemical Tests |
|
|
|
Identification |
Positive |
Positive |
|
Assay(C22H38O7) |
95.0% Min |
99.8% |
|
Loss on Drying |
2.0% Max |
0.6% |
|
Residue on Ignition |
0.1% Max |
0.06% |
|
Heavy Metals |
|
|
|
Pb |
2.0 mg/kg Max |
0.09mg/kg |
|
As |
3.0 mg/kg Max |
0.4mg/kg |
|
Conclusion |
Complies with GB 1886.230-2016 standards. |
|
|
Packing and Storage |
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|
Packing: Pack in paper-carton and two plastic-bags inside. |
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|
Shelf life: 2 year when properly stored. |
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|
Storage: Store in a well-closed place with constant low temperature and no direct sun light. |
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What are the benefits of Ascorbic Acid Palmitate 137-66-6?
1. Powerful Antioxidant, Protecting Lipid System Stability
Ascorbic Acid Palmitate is a lipid-soluble antioxidant that effectively inhibits free radical reactions in oils and high-fat formulations, preventing lipid oxidation and rancidity. Compared to water-soluble vitamin C, it is more suitable for use in oil-containing foods, oil products, and lipid-soluble nutritional formulations, significantly improving product oxidative stability and shelf life.
2. Combining Nutritional Fortification and Functional Value
As a derivative of vitamin C, Ascorbic Acid Palmitate can be gradually hydrolyzed in the human body to release vitamin C, thus exerting antioxidant and nutritional support effects. It can serve as a nutritional fortifier in food and dietary supplements, and also perform technical functions in formulations, achieving dual value in nutrition and functionality.
3. High Stability, Heat and Processing Resistant
Ascorbic Acid Palmitate has good thermal and chemical stability, and is not easily decomposed during processing, heating, and storage. It is suitable for use in baked goods, dairy products, meat products, and industrial continuous production systems. This characteristic gives it a significant application advantage in the international food processing field.
4. Improving Product Quality and Sensory Performance
By inhibiting oxidation reactions, Ascorbic Acid Palmitate helps maintain the color, flavor, and nutritional components of food, reducing off-flavors and quality deterioration caused by oxidation. In cosmetics and health product formulations, it can also help protect active ingredients, improving overall product quality and consumer experience.
What is the application of Ascorbic Acid Palmitate 137-66-6?
|
Application Field |
Practical Example |
Main Function |
Application Description |
|
Food Industry |
Oils, snacks, infant formula |
Antioxidant |
Prevents rancidity and oxidation |
|
Cosmetics |
Creams, serums, lotions |
Skin protection |
Enhances antioxidant capacity |
|
Pharmaceuticals |
Capsules, formulations |
Stabilizer |
Protects active ingredients |
|
Nutraceuticals |
Softgels, blends |
Vitamin C source |
Fat-soluble vitamin C delivery |
|
Animal Feed |
Feed additives |
Oxidation prevention |
Improves feed stability |
Formulation Advantages for Manufacturers
·✔ Oil-soluble – ideal for lipid systems
·✔ Heat-stable – suitable for processing conditions
·✔ Synergistic with other antioxidants (e.g., Vitamin E)
·✔ Low usage levels with high effectiveness
·✔ Compatible with emulsions and fat-based systems
Packaging & Bulk Supply
|
Packaging Type |
Description |
|
25 kg drum |
Standard export packaging |
|
1–5 kg foil bag |
Sample and R&D |
|
Custom packaging |
OEM labeling |
|
Private label |
Supported |
Supplied by Purea Biological Technology Co., Ltd. with:
✔ Stable bulk supply
✔ Competitive pricing
✔ Full documentation (COA, MSDS, HPLC reports)
Market Trends & Business Opportunities
·Growing demand for natural antioxidants in food industry
·Expansion of clean-label and preservative-free products
·Increasing use in anti-aging cosmetic formulations
·Rising demand for stable vitamin C derivatives
Ascorbyl Palmitate is a key ingredient in modern antioxidant systems
How to Choose High-Quality Ascorbyl Palmitate
B2B buyers should evaluate:
1.Purity ≥98% for premium applications
2.Oxidation stability performance
3.Solubility in lipid systems
4.Compliance with food/cosmetic standards
5.Supplier consistency and certification
FAQ
Q1: What is Ascorbyl Palmitate used for?
A: It is used as an antioxidant and stabilizer in food, cosmetics, and pharmaceuticals.
Q2: Is it oil-soluble?
A: Yes, it is a fat-soluble form of vitamin C.
Q3: Can it replace vitamin C?
A: It complements vitamin C, especially in lipid-based systems.
Q4: Is it suitable for cosmetics?
A: Yes, it is widely used in anti-aging and antioxidant skincare products.
Q5: What is the recommended purity?
A: Typically ≥95% or ≥98% purity.
Why Choose Our Ascorbyl Palmitate?
·✔ High Purity ≥98%
·✔ Excellent antioxidant performance
·✔ Multi-industry applications
·✔ Stable bulk supply
·✔ OEM/ODM support
Where to buy Ascorbic Acid Palmitate 137-66-6?
Pure Biological provides high-quality Ascorbic Acid Palmitate 137-66-6, supports customer OEM customization, from samples to bulk goods, can respond quickly, and has a good service foundation.
Please contact us by email for more information.Email:sales@pureabio.com
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