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). Approved for cosmetic, pharmaceutical, and related applications.

Vitamin C Sodium Ascorbyl Phosphate is available from SoleChem as Food Grade and Pharma Grade material for Personal Care & Cosmetics customers, with both grades stocked for order handling. Packaging includes 25 kg drums or cartons, plus 1–5 kg bags for development-scale orders, and the material should be stored cool and dry.

SoleChem holds ISO 9001:2015 certification and supplies a certificate of analysis (COA) and safety data sheet (SDS) with every delivery. Deliveries reach more than 40 countries. Share your required grade, quantity and destination to request a bulk quote.

Typical Properties

Molecular formulaC6H9O9P.3Na
Molecular weight322.05 g/mol
FormSolid
ColorWhite to Off-White
Odorat 100.00?%. bland
Melting point260 °C
Density1.94[at 20°C]
Water solubility789g/L at 20°C
pH9.0-9.5 (25°C, 30g/L in H2O)
Grades availableFood 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.

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Applications by Industry

  • Personal Care & Cosmetics

    Vitamin C Sodium Ascorbyl Phosphate acts as a stable antioxidant in serums, sunscreens, acne and brightening products, and helps protect oxidation-sensitive actives to extend emulsion shelf life.

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.