CAS · 1538-75-6
Product Overview
Trimethylacetic anhydride is a high-purity analytical-reagents supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Appearance | Colorless to light yellow liquid |
|---|---|
| Purity | 99% min |
| Water | 0.1% max |
Applications
Trimethylacetic anhydride is a highly reactive organic anhydride widely used in pharmaceutical synthesis, fine chemical production, and organic reactions. It serves as an acylating agent for amines, alcohols, and phenols, enabling the formation of amides, esters, and anhydrides with high efficiency. In medicinal chemistry, it is applied in the synthesis of drug intermediates, peptide derivatives, and heterocyclic compounds where selective acylation is required. In organic synthesis, trimethylacetic anhydride is utilized to activate carboxylic acids, promote esterification reactions, and facilitate cyclization processes. It is also employed in agrochemical development, fragrance and flavor chemistry, and polymer modification for introducing bulky acyl groups to adjust solubility, steric properties, and stability of molecules.
Benefits
The benefits of trimethylacetic anhydride arise from its high reactivity, steric bulk, and selectivity. The tert-butyl groups provide steric hindrance that allows selective acylation of less hindered sites, minimizing side reactions and improving yields. Its strong electrophilic nature ensures rapid and efficient formation of amides, esters, and anhydrides under mild conditions. The compound is compatible with common organic solvents and reagents, enabling flexible reaction design and scale-up in laboratory and industrial synthesis. Its liquid form, chemical stability under storage, and well-defined purity support reproducible and controlled chemical transformations.
Conclusion
Trimethylacetic anhydride is a versatile and high-value acylating reagent for pharmaceutical synthesis, fine chemicals, and advanced organic reactions. Its reactivity, steric selectivity, and compatibility with diverse reaction conditions make it an essential tool for forming amides, esters, and anhydrides efficiently. By supporting precise acylation, intermediate preparation, and molecular modification, trimethylacetic anhydride continues to play a significant role in modern chemical and medicinal research.
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