CI 77491

Iron Oxide Yellow

Shade pigment — warm golden undertone contribution; primary tint colorant for natural skin-tone matching

INCI Name

CI 77491

Functions

1 Roles

Sustainability

N/A

Category

General

What It Does

This ingredient serves a specialized role in cosmetic formulations, contributing to the overall efficacy, stability, or sensory experience of the final product.

Enhances formula performance
Contributes to product quality
Supports formulation goals
Improves user experience

Molecular Profile

Molecular Weight

159.69

g/mol

H-Bond Donors

0

Hydrogen bond donor count

H-Bond Acceptors

3

Hydrogen bond acceptor count

Polar Surface Area

43.4

Angstroms squared

PubChem CID

518696

View on PubChem

Ingredient Compatibility

Known Interactions

ASCORBIC ACIDNoteDegradation

Iron from iron oxide pigments can catalyze oxidation of Ascorbic Acid via Fenton reaction. Not a concern at typical pigment levels in tinted products, but avoid high concentrations of both.

Compatibility analysis powered by OpenMix — open-source formulation science

Quick Reference

Full INCI Name
CI 77491
Common Name
Iron Oxide Yellow

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