Description

3,4,5-Trimethoxyphthalic Acid is a high-purity, multi-functional aromatic acid derivative characterized by its unique trimethoxy-substituted phthalic acid structure. This compound serves as a critical advanced pharmaceutical intermediate and a versatile building block in organic synthesis, enabling the creation of complex molecules with tailored properties. It is essential for R&D and production teams in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug molecules, particularly those with trimethoxyphenyl pharmacophores.
• Agrochemical Synthesis: Building block for developing novel herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Development: Used to create chelating agents and specialized ligands for catalytic systems.
• Polymer Chemistry: Monomer for introducing rigid, aromatic structures with methoxy functionalities into polymers.
• Dye and Pigment Intermediate: Starting material for synthesizing specialized colorants and optical materials.
• Academic and Industrial R&D: Valuable reagent for methodological studies and exploring new synthetic pathways in organic chemistry.

Basic Information

Product Name	3,4,5-Trimethoxyphthalic Acid
CAS No.	50276-60-3
Molecular Formula	C11H12O7
Molecular Weight	256.21 g/mol
Synonyms	3,4,5-Trimethoxybenzene-1,2-dicarboxylic Acid; Phthalic Acid, 3,4,5-Trimethoxy-; 1,2-Benzenedicarboxylic Acid, 3,4,5-Trimethoxy-; 3,4,5-Trimethoxyphthalicacid; 50276-60-3; NSC 163082
EINECS	Contact for details

Quality Control

Our 3,4,5-Trimethoxyphthalic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting all critical quality parameters. Our production adheres to cGMP principles where applicable, ensuring reliability for demanding applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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