Isobutyl Paraben is a member of the paraben family, commonly used as a preservative in cosmetics, personal care, and pharmaceutical products. It is an ester of p-hydroxybenzoic acid and isobutanol. Its primary function is to prevent microbial growth, thereby extending the shelf life of products.
 
Applications: Cosmetics, personal care, pharmaceuticals, toiletries
Appearance:  White crystalline powder, odorless
Solubility:  Slightly soluble in water; soluble in alcohols and oils
pH Range: Stable in pH 4–8
Chemical Formula: C₁₁H₁₄O₃
Cas. No: 4247‑02‑3