Overview
Anisic acid, chemically known as 4-methoxybenzoic acid, is an organic compound derived from benzoic acid. It is characterized by its aromatic odor and weak acidic properties. The compound is widely utilized in industries such as pharmaceuticals, cosmetics, and food due to its versatile applications. First synthesized in the 19th century, anisic acid has since become a staple in various chemical processes. Its ability to act as an intermediate in the synthesis of more complex molecules makes it invaluable in pharmaceutical manufacturing. Additionally, its pleasant aroma contributes to its use in perfumery and flavoring.
Physical and Chemical Properties
Anisic acid appears as a white crystalline powder with a density of 1.385 g/cm³. It has a melting point range of 183-185 °C and a boiling point between 275-280 °C. The compound is soluble in organic solvents like ethanol and ether but only slightly soluble in water. Chemically, anisic acid is a weak acid with a pKa value of approximately 4.47. Its aromatic ring structure, substituted with a methoxy group at the para position, contributes to its stability and reactivity in various chemical reactions. These properties make it suitable for use in synthesis and formulation processes.
Main Applications
Anisic acid is predominantly used as an intermediate in the pharmaceutical industry, where it aids in the synthesis of drugs such as antiseptics and analgesics. Its antimicrobial properties also make it a popular ingredient in cosmetics, particularly in skincare products. In the food industry, anisic acid serves as a flavoring agent due to its licorice-like aroma. It is commonly found in candies, beverages, and baked goods. Additionally, its use in perfumery highlights its versatility across multiple sectors.
Safety and Storage
While anisic acid is generally considered safe for its intended uses, proper handling is essential to avoid potential hazards. Direct contact with skin or eyes can cause irritation, and inhalation of dust should be avoided. Personal protective equipment (PPE) such as gloves and goggles is recommended during handling. Storage conditions for anisic acid include keeping it in a cool, dry place away from light and moisture. Properly sealed containers are necessary to prevent degradation and ensure longevity. Compliance with safety data sheets (SDS) is advised for industrial users.
B2B Procurement Guide
When procuring anisic acid, B2B buyers should prioritize suppliers with verified certifications and a track record of reliability. Key factors to consider include purity levels, which typically range from 98% to 99.5%, and packaging options that suit your storage capabilities. Price negotiations should account for bulk purchase discounts, with prices commonly ranging between $20-$50 per kg. Additionally, ensure that the supplier provides comprehensive documentation, including CAS number verification and safety data sheets, to guarantee product quality and compliance.
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