Hydroxyphenyl Dihydroxyisoindolinone

INCI: HYDROXYPHENYL DIHYDROXYISOINDOLINONE

CAS Number
Not confirmed from available sources
Function
Likely colorant (isoindolinone class = yellow/orange pigment family)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes If colorant, requires FDA batch certification or listing โ€” status unknown

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Isoindolinone pigments used as colorants must be Annex IV-listed in the EU. Confirm regulatory status and Annex IV listing before use as a colorant in EU cosmetics.

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Concern Level: Moderate

Regulatory Flags

colorant

Frequently Asked Questions

Is Hydroxyphenyl Dihydroxyisoindolinone safe in cosmetics?

Isoindolinone pigments used as colorants must be Annex IV-listed in the EU. Confirm regulatory status and Annex IV listing before use as a colorant in EU cosmetics. The EU classifies Hydroxyphenyl Dihydroxyisoindolinone as "permitted". Safety rating: MODERATE.

Is Hydroxyphenyl Dihydroxyisoindolinone allowed in the EU?

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

What does Hydroxyphenyl Dihydroxyisoindolinone do in cosmetics?

Hydroxyphenyl Dihydroxyisoindolinone functions as: Likely colorant (isoindolinone class = yellow/orange pigment family). It is classified as a cosmetic ingredient in our database. CAS number: Not confirmed from available sources.

What is the Margin of Safety for Hydroxyphenyl Dihydroxyisoindolinone?

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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