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Propyl Paraben | 94-13-3

Products Description

This article is about this particular compound. For the class of hydroxybenzoate esters, including discussion on possible health effects, see paraben

Propylparaben, the n-propyl ester of p-hydroxybenzoic acid, occurs as a natural substance found in many plants and some insects, although it is manufactured synthetically for use in cosmetics, pharmaceuticals and foods. It is a preservative typically found in many water-based cosmetics, such as creams, lotions, shampoos and bath products. As a food additive, it has the E number E216.

Sodium propyl p-hydroxybenzoate, the sodium salt of propylparaben, a compound with formula Na(C3H7(C6H4COO)O), is also used similarly as a food additive and as an anti-fungal preservation agent. Its E number is E217.Propyl ParabenCas No.:94-13-3Standard:USP28Assay:99.0~100.5%Colorless crystals or white crystalline powder ,freely soluble in alcohol and ether,but very slightly soluble in water.Propylparaben, the propyl ester of p-hydroxybenzoic acid, occurs as a natural substancefound in many plants and some insects, although it is manufactured synthetically for use in cosmetics, pharmaceuticals and foods. It is a preservative typically found in many water-based cosmetics, such as creams and lotions and some bath products.

Specification

ITEM SPECIFICATIONS
Characters White crystalline powder
Purity (on dry base) % 98.0-102.0
Acidity (PH) 4.0-7.0
Melting point (°C) 96-99
Sulfate (SO42-) =<300 ppm
Residue on Ignition (%) =<0.10
Completeness of solution Clear and transparent
Organic volatile impurities =<0.5
Loss on Drying (%) =<0.5

 

 


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