
Suzhou Easy Chemical Co., Ltd. is a professional Ascorbic Acid supplier and cosmetic ingredient provider in China, supplying high-quality L-Ascorbic Acid (Vitamin C) for global skincare and personal care manufacturers.
Ascorbic Acid, also known as Vitamin C, is a powerful antioxidant widely used in cosmetic formulations for skin brightening, anti-aging care and protection against oxidative stress.
| Item | Specification |
|---|---|
| Product Name | Ascorbic Acid |
| INCI Name | Ascorbic Acid |
| Chemical Name | L-Ascorbic Acid |
| CAS No. | 50-81-7 |
| EINECS No. | 200-066-2 |
| Molecular Formula | C6H8O6 |
| Molecular Weight | 176.12 |
| Appearance | White crystalline powder |
| Assay | ≥99% |
| Function | Antioxidant, Skin Brightening Agent |
| Application | Cosmetics, Skincare, Personal Care |
| Parameter | Specification | Parameter | Specification |
| Appearance | White or slightly yellow crystalline powder | Assay (Purity) | ≥ 99.0% |
| Melting Point | 190–192°C | Solubility | Soluble in water, sparingly soluble in ethanol |
| pH (5% Solution) | 2.2–2.5 | Moisture (Loss on Drying) | ≤ 0.4% |
| Residue on Ignition | ≤ 0.1% | Heavy Metals (Pb) | ≤ 10 ppm |
Ascorbic Acid, commonly known as Vitamin C, is a naturally occurring water-soluble vitamin with strong antioxidant properties.
In cosmetic formulations, L-Ascorbic Acid helps protect skin from free radicals and is widely used in brightening and anti-aging products.
Compared with Vitamin C derivatives, pure Ascorbic Acid provides direct Vitamin C activity but requires careful formulation considerations due to its sensitivity to oxidation.
Ascorbic Acid helps neutralize free radicals caused by environmental stress.
Benefits include:
✓ Protecting skin from oxidative damage
✓ Supporting healthy-looking skin
✓ Improving formulation antioxidant systems
Vitamin C is widely used in cosmetic products designed for:
Ascorbic Acid is commonly included in:
Ascorbic Acid is widely used in:
Found in serums, creams, and toners for anti-aging and brightening effects.
Used as a preservative and nutrient supplement in juices and processed foods.
Essential in dietary supplements and medical formulations.
Industrial & Technical Applications: Used in photographic chemicals, metal treatments, and water purification.
L-Ascorbic Acid is highly effective but sensitive to:
Formulators usually consider:
to maintain product quality.
Suzhou Easy Chemical provides cosmetic ingredients and functional raw materials for global customers.
Available documents:
✓ TDS
✓ SDS/MSDS
✓ COA
✓ Specification Sheet
We support customers with:
| Ingredient | Feature |
|---|---|
| Ascorbic Acid | Pure Vitamin C, strong antioxidant activity |
| Sodium Ascorbyl Phosphate | More stable Vitamin C derivative |
| Magnesium Ascorbyl Phosphate | Mild Vitamin C derivative |
| Ascorbyl Glucoside | Stable brightening ingredient |
| Property | Ascorbic Acid | Niacinamide | Alpha Arbutin | Kojic Acid |
| Mechanism of Action | Antioxidant, inhibits melanin production | Reduces melanin transfer | Inhibits tyrosinase enzyme | Inhibits tyrosinase enzyme |
| Skin Benefits | Brightening, anti-aging, collagen synthesis | Brightening, anti-inflammatory, barrier support | Brightening, gentle on skin | Brightening, anti-inflammatory |
| Stability | Unstable, oxidizes easily | Highly stable | Moderately stable | Unstable, sensitive to light & pH |
| Best pH Range | 3.0–3.5 | 5.0–7.0 | 3.5–6.5 | 4.0–7.0 |
| Water Solubility | High | High | High | Low |
| Skin Sensitivity | Possible irritation at high concentrations | Generally well tolerated | Mild irritation possible | Can cause irritation in sensitive skin |
| Common Concentration | 5–20% | 2–5% | 1–2% | 1–4% |
| Pairing with Other Actives | Works well with Vitamin E & Ferulic Acid | Works well with Vitamin C & Hyaluronic Acid | Works well with Vitamin C | Works well with Niacinamide & AHAs |
FDA – Recognized as GRAS (Generally Recognized as Safe) for specific applications.
JECFA – Evaluated with an established ADI (Acceptable Daily Intake).
GB – Listed in China National Food Safety Standards (GB 2760-2014).
USP / EP / JP / FCC – Meets pharmacopoeial and food chemical standards.
Kosher / Halal – Certified for dietary compliance in various regions.
High Purity & Stability: Premium-grade Ascorbic Acid for maximum efficacy.
Competitive Pricing: Direct supply from manufacturers, reducing procurement costs.
Reliable Supply Chain: Stable production and global distribution capabilities.
Customizable Solutions: Available in powder and granule forms for different applications.
Ascorbic Acid is mainly used as an antioxidant and skin brightening ingredient in skincare formulations.
The CAS number of Ascorbic Acid is 50-81-7.
Yes. Ascorbic Acid is the chemical name of Vitamin C and is the most direct form used in cosmetic formulations.
Common applications include Vitamin C serums, whitening creams, anti-aging products and facial skincare formulations.
Ascorbic Acid should be stored in a cool, dry place and protected from light and moisture.
Looking for a reliable Ascorbic Acid supplier in China?
Suzhou Easy Chemical provides high-quality cosmetic ingredients for global skincare and personal care manufacturers.
Contact us for:
✓ Bulk quotation
✓ Samples
✓ Technical documents
✓ Product support
Suzhou easy chemical co. ltd
388, Dengyun Road,Kunshan, Jiangsu, China
Email: sales@szeasychem.com
Contact: Joyce Yu
MB: +86 13962653966
Tel: 0512- 57554186
Whatsapp&Wechat: +86 13962653966
Please fill in the below form accordingly, we will be able to contact you within 2 working hours.
About Us
Easychem – a manufacturer of Suzhou Easy Chemical is a professional preservative manufacturer and chemical ingredients supplier, offering for wide range of industries to global market.
Strategic partner:
Defoamer manufacturer-Invelychem
Contact
We will contact you within 2 hours, please pay attention to the email with the suffix “joyceyu@szeasychem.com”.