Description

3,4,5-Trimethoxybenzoic Anhydride is a high-purity organic chemical intermediate characterized by its anhydride functional group and trimethoxy-substituted aromatic ring. This compound matters for its critical role as a versatile building block in the synthesis of complex molecules, offering a reactive site for the introduction of the 3,4,5-trimethoxybenzoyl moiety. It is primarily needed by research and development laboratories, pharmaceutical manufacturers, and fine chemical producers engaged in creating active pharmaceutical ingredients (APIs), agrochemicals, and advanced materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various APIs, particularly those requiring the 3,4,5-trimethoxybenzoyl group for biological activity.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and other crop protection agents where its structural motif contributes to efficacy.
• Organic Synthesis & Research: Serves as a fundamental reagent in academic and industrial R&D for constructing complex esters, amides, and other derivatives.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, dyes, and performance materials.
• Biochemical Tool Compound: May be utilized in the development of biochemical probes and inhibitors for biological studies.

Basic Information

Product Name	3,4,5-Trimethoxybenzoic Anhydride
CAS No.	1719-88-6
Molecular Formula	C20H22O9
Molecular Weight	406.38 g/mol
Synonyms	3,4,5-Trimethoxybenzoyl Anhydride; 3,4,5-Trimethoxybenzoic Acid Anhydride; Gallic Acid Trimethyl Ether Anhydride; Trimethylgallic Acid Anhydride; 3,4,5-Trimethoxybenzoic Anhydride; Benzoic acid, 3,4,5-trimethoxy-, anhydride; 1,3-Bis(3,4,5-trimethoxybenzoyl)oxy-3,4,5-trimethoxybenzene (alternative structural representation)
EINECS	217-015-4

Quality Control

Our 3,4,5-Trimethoxybenzoic Anhydride is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for pharmaceutical and fine chemical applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation by atmospheric moisture. Keep away from incompatible materials such as strong bases, strong oxidizing agents, and strong reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.