Pentyl Dimethyl PABA

INCI: PENTYL DIMETHYL PABA

CAS Number
14779-78-3
Function
UV filter / UV absorber (UVB range)
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
EU Max Conc. 5%
๐Ÿ‡บ๐Ÿ‡ธ US Status restricted
US Notes Not listed as an approved OTC sunscreen active in the FDA Final Monograph (21 CFR 352); was voluntarily withdrawn. Not permissible as an active sunscreen ingredient in the US.

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Effectively delisted as UV filter in the US; permitted but restricted in EU. Known photoallergenicity, cross-reactivity with sulfonamides, and potential nitrosamine formation within PABA class. Do not use in new formulations.

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Concern Level: High

Regulatory Flags

potential-allergen eu_banned_cosmetics eu_cosing_listed

Frequently Asked Questions

Is Pentyl Dimethyl PABA safe in cosmetics?

Effectively delisted as UV filter in the US; permitted but restricted in EU. Known photoallergenicity, cross-reactivity with sulfonamides, and potential nitrosamine formation within PABA class. Do not use in new formulations. The EU classifies Pentyl Dimethyl PABA as "permitted". Safety rating: POOR.

Is Pentyl Dimethyl PABA allowed in the EU?

Pentyl Dimethyl PABA EU regulatory status: permitted. Maximum allowed concentration: 5%. This is based on EU Regulation 1223/2009 and its amendments.

What does Pentyl Dimethyl PABA do in cosmetics?

Pentyl Dimethyl PABA functions as: UV filter / UV absorber (UVB range). It is classified as a cosmetic ingredient in our database. CAS number: 14779-78-3.

What is the Margin of Safety for Pentyl Dimethyl PABA?

adequate 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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