Methyl Paraben is a synthetic compound that belongs to the class of chemicals known as parabens. It is commonly used as a preservative in various cosmetic, pharmaceutical, and personal care products to extend their shelf life by preventing the growth of microorganisms.

IUPAC Name: Methyl 4-hydroxybenzoate

Other Name or Common Name: Methyl Paraben

Appearance: Methyl Paraben is typically a white, crystalline powder that is odorless or has a faint, sweetish odor.

Chemical Formula: C8H8O3

Molecular Weight: 152.15 g/mol

Applications:

1. Cosmetics and Personal Care Products: Methyl Paraben is widely used as a preservative in cosmetics, including creams, lotions, shampoos, and makeup. It helps prevent the growth of bacteria, yeast, and mold, thereby extending the product's shelf life and ensuring its safety for use.

2. Pharmaceuticals: It is used in pharmaceutical products such as topical creams, ointments, and oral medications to prevent microbial contamination and maintain the stability of the active ingredients.

3. Food Industry: Methyl Paraben is occasionally used as a food preservative, although it is less common than in cosmetics and pharmaceuticals. It helps prevent the spoilage of certain food products and extends their freshness.

4. Industrial Applications: In some industrial processes, Methyl Paraben may be used as a preservative for various formulations, especially those susceptible to microbial degradation.

5. Topical Antiseptics: It is sometimes included in topical antiseptic solutions or hand sanitizers to inhibit the growth of microorganisms and enhance product shelf life.