Umber

INCI: UMBER (MAY ALSO BE LISTED UNDER CI 77491/CI 77492/CI 77499 DEPENDING ON COMPOSITION)

CAS Number
1309-37-1 (iron oxide component, CI 77491)
Function
Cosmetic colorant (brown earth pigment containing iron oxides + manganese oxides)
Safety Rating
EXCELLENT

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted; iron oxides listed under 21 CFR 73.2250 for cosmetic use; synthetic iron oxides preferred for purity compliance

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Natural umber may contain heavy metal impurities โ€” must use cosmetic-grade synthetic iron oxides to meet purity specs; batch COA must confirm compliance with EU Annex IV purity criteria; manganese oxide content needs verification against permissible limits

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Concern Level: None

Regulatory Flags

colorant natural-origin

Frequently Asked Questions

Is Umber safe in cosmetics?

Natural umber may contain heavy metal impurities โ€” must use cosmetic-grade synthetic iron oxides to meet purity specs; batch COA must confirm compliance with EU Annex IV purity criteria; manganese oxide content needs verification against permissible limits The EU classifies Umber as "permitted". Safety rating: EXCELLENT.

Is Umber allowed in the EU?

Umber EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Umber do in cosmetics?

Umber functions as: Cosmetic colorant (brown earth pigment containing iron oxides + manganese oxides). It is classified as a cosmetic ingredient in our database. CAS number: 1309-37-1 (iron oxide component, CI 77491).

What is the Margin of Safety for Umber?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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