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CAS 17696-62-7 — Phenyl 4-hydroxybenzoate

Phenyl 4-hydroxybenzoate (PHB) is a preservative and antimicrobial agent commonly used in pharmaceuticals, cosmetics, and food products to inhibit microbial growth. It is a derivative of para-hydroxybenzoic acid (PHBA) and is effective against bacteria, yeasts, and molds. This chemical is non-toxic and widely recognized for its safety in consumer applications. Phenyl 4-hydroxybenzoate has a CAS number of 17696-62-7 and carries no signal word under standard classification, indicating low acute toxicity. It appears as a white crystalline powder with a melting point of around 170–173°C and is soluble in organic solvents but poorly soluble in water. Molekula supplies Phenyl 4-hydroxybenzoate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.