1-Naphthaleneacetic Acid

INCI: 1-NAPHTHALENEACETIC ACID

CAS Number
86-87-3
Function
Skin conditioning ; primarily known as plant growth regulator (1-NAA)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not specifically regulated for cosmetics; registered as agricultural PGR in USA

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

H302 (harmful if swallowed); H315 (skin irritant); H318 (serious eye damage); limited cosmetic safety dossier; primarily an agricultural chemical with minimal cosmetic precedent

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Concern Level: Moderate

Frequently Asked Questions

Is 1-Naphthaleneacetic Acid safe in cosmetics?

H302 (harmful if swallowed); H315 (skin irritant); H318 (serious eye damage); limited cosmetic safety dossier; primarily an agricultural chemical with minimal cosmetic precedent The EU classifies 1-Naphthaleneacetic Acid as "permitted". Safety rating: MODERATE.

Is 1-Naphthaleneacetic Acid allowed in the EU?

1-Naphthaleneacetic Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 1-Naphthaleneacetic Acid do in cosmetics?

1-Naphthaleneacetic Acid functions as: Skin conditioning ; primarily known as plant growth regulator (1-NAA). It is classified as a cosmetic ingredient in our database. CAS number: 86-87-3.

What is the Margin of Safety for 1-Naphthaleneacetic 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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