Description

4-Methoxyphthalaldehyde is a versatile aromatic aldehyde derivative, primarily valued as a key synthetic intermediate and analytical reagent. Its unique chemical structure makes it a crucial building block for synthesizing more complex heterocyclic compounds and functional materials. This product is essential for research and development laboratories, pharmaceutical manufacturers, and fine chemical producers requiring high-purity intermediates.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates, particularly those with complex aromatic or heterocyclic frameworks.
• Fluorescent Probe Synthesis: Used in the development of sensitive fluorescent dyes and labeling reagents for bioanalytical applications, including protein and nucleic acid detection.
• Organic Synthesis Building Block: A valuable starting material for constructing complex organic molecules in academic and industrial research, enabling the introduction of aldehyde and methoxy functionalities.
• Material Science Research: Employed in the development of advanced organic materials, such as polymers and liquid crystals, where its specific aromatic structure imparts desired properties.
• Analytical Chemistry: Acts as a derivatization agent for the detection and quantification of amines, amino acids, and other nucleophiles via HPLC or spectroscopic methods.
• Agrochemical Synthesis: Utilized as an intermediate in the production of certain specialty agrochemicals and plant protection agents.

Basic Information

Product Name	4-Methoxyphthalaldehyde
CAS No.	6500-51-2
Molecular Formula	C9H8O3
Molecular Weight	164.16 g/mol
Synonyms	4-Methoxyphthalic aldehyde; 4-Methoxybenzene-1,2-dicarboxaldehyde; 1,2-Benzenedicarboxaldehyde, 4-methoxy-; 4-Methoxy-o-phthalaldehyde; 4-Methoxy-1,2-benzenedicarboxaldehyde; 4-Methoxyphthalic dialdehyde; p-Methoxyphthalaldehyde
EINECS	229-400-7

Quality Control

Our 4-Methoxyphthalaldehyde is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as identity, assay, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated research and development environments.

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). Due to its sensitivity, the container should be kept under an inert atmosphere (e.g., nitrogen or argon) to minimize oxidation. Keep away from heat, sparks, and open flame.

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 (as Pb)	≤ 10 ppm

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