Vitamin C Sodium Ascorbyl Phosphate
Sodium ascorbyl phosphate, Sodium L-Ascorbyl-2-Phosphate, Sodium ascorbyl monophosphate, Trisodium ascorbate-2-phosphate
- CAS
- 66170-10-3
- EC
- 613-904-0
- Sectors
- Personal Care & Cosmetics
Vitamin C Sodium Ascorbyl Phosphate (CAS 66170-10-3) is a phosphorylated, water-soluble vitamin C derivative that appears as a white to off-white solid, is used in cosmetic, pharmaceutical and related applications, and acts as a stable antioxidant in serums, sunscreens, acne and brightening products. It is a white to off-white solid; density 1.94 g/cm³ (20 °C), melting point 260 °C, water solubility 789 g/L (20 °C), pH 9.0–9.5 (30 g/L solution).
Typical Properties
| Molecular formula | C6H9O9P.3Na |
|---|---|
| Molecular weight | 322.05 g/mol |
| Form | Solid |
| Color | White to Off-White |
| Odor | at 100.00?%. bland |
| Melting point | 260 °C |
| Density | 1.94[at 20°C] |
| Water solubility | 789g/L at 20°C |
| pH | 9.0-9.5 (25°C, 30g/L in H2O) |
| Grades available | Food Grade, Pharma Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Vitamin C Sodium Ascorbyl Phosphate
Applications
- Personal care & cosmetics: Stable antioxidant in serums, sunscreens, acne, and brightening products.
- Cosmetic emulsion stabilization: Protects oxidation-sensitive actives, extending emulsion shelf life.
- Pharmaceutical: Stabilized vitamin C source for oral and topical drug formulations.
- Nutraceuticals & supplements: EU-authorized (Reg. 432/2012) for collagen, immunity, and antioxidant claims.
- Food & feed: Antioxidant additive pending market-specific regulatory approvals.
Safety & Risks
Not classified as hazardous under GHS. Low acute toxicity profile. Standard laboratory PPE recommended. Store in a cool, dry location away from direct light and moisture to preserve stability.
Packaging
Supplied in 25 kg drums or cartons; 1–5 kg bags available for development-scale orders. Store cool and dry.