INCI Name: p-HYDROXYANISOLE Molecular Formula: C7H8O2 Molecular Weight: 124.14 Appearance: Clear colorless to pale yellow liquid Purity: 99% CAS NO.: 150-76-5 EINECS No.: 205-769-8 4-Hydroxyanisole and hydroquinone can be used interchangeably or as a polymerization inhibitor in nail gels and adhesive products. Hydroquinone is the focus of a separately revised safety assessment for this new use.Para methoxyphenol (CAS No. 150-76-5) is a substituted phenol,which is reported to act as an antioxidant,fragrance ingredient and reducing agent in cosmetics.3 p-Hydroxyanisole is the common name for 4-methoxyphenol.A large number of research results show that p-hydroxyanisole is a skin pigment remover.