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Sodium Ascorbate

Buy High Purity Sodium Ascorbate in bulk. Water-soluble vitamin C salt. Direct factory supply, CAS 134-03-2. Get a quote.

  • Minimum Order Quantity: 1g/10g/1kg.
  • Payment Terms: T/T 100% in advance.
  • Sample Policy: Free sample, buyer pays shipping.
  • Packaging: View Packaging Details >>

CAS Number: 134-03-2

Product Description

Green Stone Swiss supplies high-purity Sodium Ascorbate manufactured under strict GMP-aligned quality systems, ensuring consistent batch-to-batch performance for professional cosmetic and personal care brands worldwide. Our direct factory supply model delivers reliable bulk quantities with full technical documentation and free sample support.

Sodium Ascorbate is the sodium salt of ascorbic acid. In leave-on and rinse-off care it is used as a water-soluble vitamin C salt, not as free ascorbic acid. This grade is a white to pale yellow crystalline powder that dissolves in water.

Toners and gel serums continue to specify this INCI when the formula needs vitamin C in a salt form. Cosmetic-grade Sodium Ascorbate remains a practical bulk active when the assay is on the COA.

Product Specification

  • INCI Name: Sodium Ascorbate
  • CAS No.: 134-03-2
  • Molecular Formula: C₆H₇NaO₆
  • Molecular Weight: 198.11 Da
  • Appearance: White to pale yellow crystalline powder
  • Purity: Typical ≥99%
  • Solubility: Soluble in water
  • Suggested pH: 5.0–7.0 in finished systems
  • Storage: Store in a cool, dry place; protect from light, air, and moisture

Key Benefits & Applications

Sodium Ascorbate is a water-soluble vitamin C salt used in antioxidant and tone-care systems.

  • Dissolves in the water phase of toners, essences, and gels
  • Used where a salt form is preferred over free ascorbic acid
  • Fits rinse-off and leave-on formulas at a modest dose
  • Pairs with niacinamide when the chassis needs a second tone-care active
  • Typical use level: 0.1–1.0% in the finished formula

Formulation Guidelines

Follow these guidelines to dissolve Sodium Ascorbate without driving the pH too high.

  • Suggested Use Level: Typical 0.1–1.0% in the finished formula
  • pH Range: Suggested 5.0–7.0 after adjustment
  • Addition: Dissolve in the water phase during cool-down, below 40°C
  • Stability: Protect from light and air; the solution is oxygen-sensitive
  • Combine with Niacinamide when a second tone-evening active is needed in the same chassis.

Note: Full technical documentation (COA, MSDS, TDS) is available upon request for verified business inquiries to support quality assurance. Custom specifications and flexible MOQ options can also be discussed to meet your project needs.

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