Overview
Methyl anthranilate is an organic ester derived from anthranilic acid, widely recognized for its pleasant grape-like aroma. It occurs naturally in small quantities in some fruits and essential oils but is primarily synthesized for commercial use. The compound is valued in multiple industries due to its dual role as a flavoring agent and a functional chemical. Its versatility extends to industrial applications, where it serves as a UV absorber and intermediate in pharmaceutical synthesis. The demand for methyl anthranilate is driven by its safety profile and effectiveness, making it a staple in food, cosmetics, and specialty chemical sectors.
Physical and Chemical Properties
Methyl anthranilate is a colorless to pale yellow liquid at room temperature, with a distinct sweet, fruity odor reminiscent of Concord grapes. Its molecular structure includes an ester group and an amine group, contributing to its solubility in organic solvents like ethanol and ether. The compound is slightly soluble in water but mixes well with oils, making it suitable for flavor and fragrance formulations. Key chemical properties include stability under normal storage conditions and moderate reactivity with strong oxidizing agents. Its UV-absorbing capability stems from the aromatic amine group, which makes it useful in sunscreens and protective coatings. The boiling point of 256°C and low melting point (24-26°C) indicate its suitability for applications requiring moderate thermal stability.
Main Applications
The primary use of methyl anthranilate is as a flavoring agent in food and beverages, particularly in grape-flavored products, candies, and soft drinks. Its natural aroma profile allows it to replace or enhance grape-derived flavors in cost-sensitive formulations. The perfumery industry utilizes it for its floral, fruity notes in cosmetics, soaps, and air fresheners. In industrial settings, methyl anthranilate acts as a UV absorber in plastics and coatings to prevent degradation from sunlight exposure. It also serves as an intermediate in synthesizing pharmaceuticals, including local anesthetics and antimalarial drugs. Additionally, it is employed in bird repellent products due to its aversive effect on certain species, protecting crops without toxic chemicals.
Safety and Storage
Methyl anthranilate is generally regarded as safe for use in food and cosmetics at regulated concentrations. However, concentrated forms may cause mild skin or eye irritation, necessitating gloves and goggles during handling. Proper ventilation is recommended to avoid inhalation of vapors, especially in industrial environments. Storage should prioritize cool, dry conditions away from direct sunlight and oxidizing agents to maintain stability. Containers must be tightly sealed to prevent moisture absorption and volatilization. For bulk quantities, stainless steel or aluminum drums are preferred to minimize contamination. Disposal should follow local regulations for organic esters to avoid environmental release.
B2B Procurement Guide
When procuring methyl anthranilate, B2B buyers should prioritize suppliers with certifications such as ISO, FDA, or REACH compliance to ensure quality and regulatory adherence. Key specifications to verify include purity (typically 98-99.5%), CAS number (134-20-3), and absence of heavy metals or residual solvents. Price negotiations should account for order volume, with discounts commonly available for bulk purchases above 100 kg. Sample testing is advisable to confirm odor profile and solubility performance for intended applications. Logistics planning should consider its liquid state and moderate flammability, requiring appropriate packaging and transportation safeguards. Long-term contracts with reliable suppliers can stabilize costs amid market fluctuations.
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