Introduction

4-Hydroxy benzyl alcohol, p-hydroxybenzyl alcohol or PHBA, is an organic compound with the chemical formula C7H8O2. It is a benzyl alcohol derivative featuring a hydroxyl (-OH) group attached to the benzene ring at the para position. Due to its versatile properties, this compound is widely used in various industries, including pharmaceuticals, cosmetics, and food additives.

Chemical Structure

The chemical structure of 4-hydroxy benzyl alcohol(Cas No: 623-05-2) consists of a benzene ring with a hydroxyl group (-OH) attached to the fourth carbon atom. This configuration imparts unique chemical and physical properties to the compound, making it valuable for various applications.

Physical Properties

4-Hydroxybenzyl alcohol appears as a white crystalline solid at room temperature. It has a molecular weight of 124.13 grams per mole and a melting point of approximately 115-118°C. The compound is sparingly soluble in water but readily dissolves in organic solvents such as ethanol and ether.

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Production Process

4-Hydroxy benzyl alcohol can be synthesized through several methods, including the hydrolysis of 4-hydroxy benzyl chloride or reducing p-hydroxybenzaldehyde. Additionally, it can be obtained as a byproduct in specific organic reactions involving benzyl alcohol derivatives.

Solubility

While 4-hydroxy benzyl alcohol is sparingly soluble in water, it exhibits better solubility in organic solvents such as ethanol, methanol, and acetone. This solubility profile makes it suitable for various formulations in the pharmaceutical and cosmetic industries.

Properties

4-hydroxy benzyl alcohol shares some similar properties as a compound derived from benzyl alcohol. Its antimicrobial properties make it sound like a preservative in cosmetic and personal care products. Additionally, it can act as an antioxidant, scavenging free radicals and protecting formulations from oxidative degradation.

Safety and Handling

While 4-hydroxy benzyl alcohol is generally considered safe for use in cosmetics and pharmaceuticals, it must be handled with care. Direct contact with the compound may irritate the skin, eyes, or respiratory tract. Proper safety measures, including personal protective equipment, should be observed during handling and processing.

Conclusion about Chemical

In conclusion, 4-hydroxy benzyl alcohol is a valuable compound with diverse applications across multiple industries. Its unique chemical structure and versatile properties make it indispensable in pharmaceutical and cosmetics formulations. However, careful attention should be paid to safety considerations during handling and use to ensure effective and responsible utilization.