Butylparaben is an antimicrobial preservative that prevents the growth of mold in products and increases their shelf life. In the olden days, parabens were quite popular when compared to other preservatives because these are gentler and more effective. Today, parabens are under many controversies because of their negative impacts on human health. However, it is important to note that the amounts used in the cosmetic industry are far too low to cause any side effects. Butylparaben is also known by its other names - Butyl parahydroxybenzoate and Butyl p-hydroxybenzoate. In its raw form, it appears as a colorless and odorless crystalline powder.
CAS Number: 94-26-8Chem/IUPAC Name: Butyl 4-hydroxybenzoateEINECS/ELINCS No: 202-318-7COSING REF No: 31734Products with BUTYLPARABEN
With samples available
Neopres K350
by Jan Dekker
- Sustainable option
Dekaben C-4
by Jan Dekker
Paridol B FR
by Jan Dekker
What is BUTYLPARABEN used for?
Butylparaben is widely used in the cosmetic industry as a preservative due to its effective antimicrobial properties. It helps extend the shelf life of products by preventing the growth of bacteria, mold, and yeast. Found in a variety of cosmetics such as lotions, creams, shampoos, and makeup, Butylparaben ensures these products remain safe and stable for consumer use. Its ability to work well in conjunction with other preservatives enhances the overall efficacy.
Origin
Butylparaben is synthesized through the esterification of p-hydroxybenzoic acid with butanol. This chemical reaction typically involves an acid catalyst such as sulfuric acid to speed up the process. The mixture of p-hydroxybenzoic acid and butanol is heated under reflux conditions, allowing the esterification reaction to occur. Once the reaction is complete, the product is purified through distillation or crystallization, resulting in Butylparaben.
What does BUTYLPARABEN do in a formulation?
ANTIMICROBIAL|
PRESERVATIVESafety Profile
Butylparaben is safe for use when used within the concentration of 1% or less. Higher concentrations can cause skin irritation and allergic reactions, especially in users with sensitive skin. Patch testing of the product containing Butylparaben is advised to avoid any negative impact.
BUTYLPARABEN alternatives
BUTYLPARABEN technical profile
| Property | Values |
| Boiling Point | 297°C |
| Melting Point | 68-69°C |
| Solubility | Slightly soluble in water |
| Viscosity | Low |