4-T-Butylbenzoic Acid

INCI: 4-T-BUTYLBENZOIC ACID

CAS Number
98-73-7
Function
Masking agent / pH adjuster
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status restricted
US Notes Not specifically banned by FDA, but not commonly used; classified as a reproductive toxicant under GHS

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
high
Sensitization
high

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

EU Annex II prohibited substance with reproductive toxicity (Repr. 2) classification; documented occupational depigmentation and leukoderma risk; do not use in EU-market cosmetic formulations

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Concern Level: High

Regulatory Flags

endocrine_disruptor eu_banned_cosmetics eu_cosing_listed

Frequently Asked Questions

Is 4-T-Butylbenzoic Acid safe in cosmetics?

EU Annex II prohibited substance with reproductive toxicity (Repr. 2) classification; documented occupational depigmentation and leukoderma risk; do not use in EU-market cosmetic formulations The EU classifies 4-T-Butylbenzoic Acid as "prohibited". Safety rating: POOR.

Is 4-T-Butylbenzoic Acid allowed in the EU?

4-T-Butylbenzoic Acid EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does 4-T-Butylbenzoic Acid do in cosmetics?

4-T-Butylbenzoic Acid functions as: Masking agent / pH adjuster. It is classified as a cosmetic ingredient in our database. CAS number: 98-73-7.

What is the Margin of Safety for 4-T-Butylbenzoic Acid?

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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