Description

1,2-Benzenedicarboxaldehyde,4,5-Dimethoxy- is a high-purity aromatic dialdehyde compound, also known as 4,5-Dimethoxyphthalaldehyde. This specialty chemical serves as a versatile and critical building block in advanced organic synthesis, valued for its reactive aldehyde groups and methoxy-substituted aromatic core. It is primarily sought by pharmaceutical intermediates manufacturers and fine chemical research laboratories for developing complex molecules, including active pharmaceutical ingredients (APIs) and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex heterocyclic compounds and active pharmaceutical ingredients (APIs).
• Chemical Research & Development: Serves as a versatile building block for novel ligand synthesis, catalysts, and functional organic materials.
• Fluorescent Probe Synthesis: Used in the development of sensitive fluorogenic reagents for analytical chemistry and bio-imaging applications.
• Polymer Chemistry: Monomer for the production of specialty polymers and resins with tailored properties.
• Agrochemical Synthesis: Intermediate in the development of advanced crop protection agents and herbicides.
• Dye and Pigment Manufacturing: Starting material for synthesizing specific methoxy-substituted colorants.

Basic Information

Product Name	1,2-Benzenedicarboxaldehyde,4,5-Dimethoxy-
CAS No.	43073-12-7
Molecular Formula	C10H10O4
Molecular Weight	194.18 g/mol
Synonyms	4,5-Dimethoxyphthalaldehyde; 4,5-Dimethoxybenzene-1,2-dicarboxaldehyde; 4,5-Dimethoxy-1,2-benzenedicarboxaldehyde; 4,5-Dimethoxy-o-phthalaldehyde; DMPA; 1,2-Diformyl-4,5-dimethoxybenzene; 4,5-Dimethoxyisophthalaldehyde (common misnomer); 4,5-DMPA
EINECS	Contact for details

Quality Control

Our 1,2-Benzenedicarboxaldehyde,4,5-Dimethoxy- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for critical synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from strong oxidizing agents and incompatible materials.

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	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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