Propyl 4-hydroxybenzoate (PHB), is a p-hydroxybenzoate derivative. It can be prepared by reacting p-hydroxybenzoic acid with n-propanol in the presence of an acidic ionic liquid.It crystallizes in the monoclinic space group P21/c.It is reported to be an endocrine disrupting compound.
Some research indicates they are safe as used in cosmetics and are preferred over other preservatives to keep a formula stable. These studies also showed parabens did not have any effect when compared to natural hormones in the body.
PROPYL 4 HYDROXYBENZOATE LR Supplier Oman Muscat Barka Salalah Sohar Ruwi Mutrah Nizwa Al Hamra Manah
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