Description

1,2-Benzenedicarboxaldehyde, 3-Methyl- (9Ci) is a specialized aromatic dialdehyde derivative, serving as a high-value chemical intermediate. Its core value proposition lies in its dual aldehyde functionality, which provides versatile reactivity for constructing complex molecular architectures. This compound is particularly needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for synthesis and process development.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in heterocyclic chemistry.
• Agrochemical Synthesis: Used in the production of advanced fungicides, herbicides, and plant growth regulators.
• Ligand and Chelator Precursor: Serves as a starting material for synthesizing Schiff base ligands used in catalysis and metal complexation.
• Polymer and Resin Modification: Employed to introduce cross-linking sites or aldehyde functionality into polymer backbones for specialty resins.
• Fine Chemical Synthesis: A versatile intermediate for creating dyes, pigments, and other complex organic molecules in research and development.
• Chemical Research: Used in academic and industrial R&D for methodological studies and novel compound library generation.

Basic Information

Product Name	1,2-Benzenedicarboxaldehyde, 3-Methyl- (9Ci)
CAS No.	147119-69-5
Molecular Formula	C10H8O2
Molecular Weight	160.17 g/mol
Synonyms	3-Methylphthalaldehyde; 3-Methyl-1,2-benzenedicarboxaldehyde; 3-Methylbenzene-1,2-dicarbaldehyde; 3-Methylphthalic dialdehyde; 3-Methyl-o-phthalaldehyde; 3-Methyl-OPA; 3-Methylbenzene-1,2-dialdehyde
EINECS	Contact for details

Quality Control

Our 1,2-Benzenedicarboxaldehyde, 3-Methyl- (9Ci) is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters are provided with every shipment. We support custom synthesis and can tailor specifications to meet specific research or cGMP requirements for advanced intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is light-sensitive and should be handled and stored accordingly to maintain stability.

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%

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