Description

4-Methylsulphonyl Benzaldehyde is a high-purity aromatic aldehyde derivative characterized by its sulfone functional group. This compound serves as a versatile and critical pharmaceutical intermediate and organic synthesis building block, enabling the construction of complex molecules. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drugs and other bioactive molecules.
• Agrochemical Synthesis: Building block for developing novel herbicides, fungicides, and plant growth regulators.
• Organic Synthesis: Versatile reagent for introducing the formyl and methylsulfonyl groups in cross-coupling reactions and heterocyclic chemistry.
• Ligand and Catalyst Development: Used in the preparation of specialized ligands for metal-catalyzed reactions.
• Material Science Research: Intermediate in the synthesis of monomers for specialty polymers and advanced organic materials.
• Chemical Research & Development: Serves as a standard or starting material in exploratory chemistry for new compound libraries.

Basic Information

Product Name	4-Methylsulphonyl Benzaldehyde
CAS No.	5398-77-6
Molecular Formula	C8H8O3S
Molecular Weight	184.21 g/mol
Synonyms	4-(Methylsulfonyl)benzaldehyde; p-(Methylsulfonyl)benzaldehyde; 4-Methanesulfonylbenzaldehyde; Benzaldehyde, 4-(methylsulfonyl)-; Toluene-4-sulfonyl aldehyde; 4-Formylphenyl methyl sulfone; p-Tolylsulfonyl aldehyde; 4-Methylsulfonylbenzaldehyde
EINECS	226-407-2

Quality Control

Our 4-Methylsulphonyl Benzaldehyde is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for pharmaceutical and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is easily oxidized and should be handled under an inert atmosphere for long-term storage. Keep away from strong oxidizing agents, strong bases, and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	142 - 146 °C
Loss on Drying	≤ 0.5%
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.