4-Hydroxybenzoic Acid

Characteristics

INCI

4-Hydroxybenzoic Acid

CAS

99-96-7 i

This is the substance number in the Chemical Abstracts Service registry. The CAS number uniquely identifies a substance regardless of language, trade name, or synonyms.

EC

202-804-9 i

This is the substance number in the European chemical identification system (EC number), used in European regulatory databases including ECHA/CosIng.

IUPAC

4-Hydroxybenzoic Acid

Functions

preservative

EU Restr.

V/12 i

EU regulatory status: restricted use. The ingredient is permitted in EU cosmetics but its use and labelling are regulated.

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