Piel

Sodium Ascorbyl Phosphate

INCI name: Sodium Ascorbyl Phosphate

Sodium Ascorbyl Phosphate is classed in the EU CosIng database as antioxidant. Piel groups it with vitamin C derivatives.

What it does

CosIng definition

L-Ascorbic acid, 2-(dihydrogen phosphate), trisodium salt

How Piel groups it

Piel's knowledge base files Sodium Ascorbyl Phosphate under:

Piel's note

A stable vitamin C derivative that skin converts to ascorbic acid. It is gentler and keeps better than pure vitamin C, and less research exists on the derivative forms.

Found in 1,031 products in Piel's catalogue.

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Identifiers

INCI name
Sodium Ascorbyl Phosphate
CAS number
66170-10-3
EC number
425-180-1
CosIng reference
58719

Data from Piel's records, September 19, 2026