Applications of 2-Chloro-4-(Methylsulfonyl)Aniline in Industrial Manufacturing

As a direct producer of 2-Chloro-4-(Methylsulfonyl)Aniline, we support specialized supply chains where precision, compliance, and consistent product quality are critical. Below, we detail key industrial application tracks for this intermediate, based on our experience with global partners in complex manufacturing environments.

1. Agrochemical Synthesis: Herbicide Intermediate

Our material is a key building block in the synthesis of sulfonylurea herbicides. Its functional groups facilitate selective coupling with pyrimidines or triazines during active ingredient assembly. This integration helps formulators meet stringent environmental residue and selectivity requirements for modern crop protection agents, delivering strong crop safety and target weed spectrum. Sourcing from a primary manufacturer ensures full traceability and consistent input quality for registered technical grade actives.

Industry compliance standards

• OECD Guidelines for Testing of Chemicals
• FAO/WHO Technical Specifications for Pesticides
• REACH Registration (EC No 1907/2006, EU)
• China ICAMA pesticide registration

Typical usage ratio

• 5-18% w/w in sulfonylurea and triazinyl intermediates; ratio varies with specific crop protection molecule undergoing synthesis

Downstream process integration

• Enters the condensation stage as a nucleophile, typically after halogenation or methylation, under controlled temperature and inert conditions

Final product types

• Sulfonylurea herbicide actives (e.g., nicosulfuron, rimsulfuron)
• Pre-mix technical grade herbicides
• SC, WG, and WP crop protection formulations

2. Pharmaceutical Intermediate for API Synthesis

Pharmaceutical manufacturers rely on our product as a core intermediate for the multi-step synthesis of certain antidiabetic and antihypertensive active pharmaceutical ingredients. Its sulfonyl and aniline moieties serve as protected leaving groups, aiding in regioselective substitution and introducing pharmacophores with high purity control. Vertically controlled quality management from our plant enables reliable quality for cGMP manufacturing and regulatory filings.

Industry compliance standards

• ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
• USP/Ph. Eur. for residual solvent and impurity testing
• US FDA Drug Master File (DMF) submission
• EDQM CEP (Certificate of Suitability) process

Typical usage ratio

• Used at 10–30 mol% in targeted API key intermediate steps, adjusted according to synthetic pathway and required process yield

Downstream process integration

• Reacted in amination or sulfonation steps during API intermediate or final stage coupling, under validated batch conditions with full QA/QC monitoring

Final product types

• Bulk APIs such as antidiabetic drugs (e.g., glibenclamide derivatives)
• Solid oral dosage pharmaceutical formulations
• Regulated intermediates for export or further synthesis

3. Dye and Pigment Manufacturing

The aromatic and sulfonyl functionalities enable our raw material to perform as a coupling agent or precursor in the manufacture of high-performance azo dyes and specialty pigments. It facilitates chromophore extension and enhances water solubility or fastness in textile and paper dyes. Direct integration from our manufacturing site supports clients seeking controlled by-product and impurity profiles essential for export and end-product certifications.

Industry compliance standards

• OEKO-TEX Standard 100 (textile chemicals)
• REACH Annex XVII (restrictions on azo colorants)
• ZDHC MRSL (Zero Discharge of Hazardous Chemicals)
• German BfR recommendation XXXVI for paper contact dyes

Typical usage ratio

• Ranges from 3-12% by weight in the diazo or coupling step, based on target color intensity and downstream substrate requirements

Downstream process integration

• Utilized during diazotization or as a coupling component in pigment dispersant blending, with precise pH and temperature management

Final product types

• Azo textile dyes
• Special effect pigments for coatings and inks
• Paper and fiber coloring agents

4. Specialty Polymer Modifier

Producers of high-performance specialty polymers adopt our compound for the functional modification of engineering plastics and resins. Its reactive aniline site introduces controlled cross-linking or chain extension properties, especially in polyamide or polyurethane system development. As a manufacturer, we provide technical data supporting safe handling and exact dosing for automotive and electronics applications, where reliability and aging performance are mandatory.

Industry compliance standards

• ISO 9001 certified QMS for plastics and resins
• RoHS Directive (2011/65/EU) compliance for electronics
• UL 94 Flammability Test for polymer materials
• VDA 278 for volatile organic compounds (automotive)

Typical usage ratio

• 0.2–2.5% by weight in resins or blend masterbatches, tuned by polymer matrix and degree of intended cross-linking or modification

Downstream process integration

• Introduced during resin compounding or melt blending stage, often in the masterbatch, followed by extrusion or polymerization under inert atmosphere

Final product types

• Modified polyamides and polyurethanes
• Engineering thermoplastics for automotive parts
• Insulating materials for circuit boards

5. Fine Chemical Intermediate for Organic Synthesis

Chemicals producers and contract manufacturers employ our molecule as a selective nucleophilic aniline source when synthesizing custom fine chemicals, including ligands, catalysts, and specialty reagents. Its chlorine and methylsulfonyl substituents allow flexible derivatization paths while maintaining controlled reactivity. Sourcing from our facilities assures batch-to-batch reproducibility necessary for industrial analytical and specialty applications.

Industry compliance standards

• ISO 9001/14001 for fine chemicals manufacturing
• Responsible Care program adherence
• GHS/CLP labeling compliance for international trade
• SDS and transport regulations (ADR, IMDG, IATA)

Typical usage ratio

• Variable from 0.5 to 20 mol%, based on synthesis design and product specificity; customers optimize for process economy and step yield

Downstream process integration

• Used at stepwise coupling, ring formation, or halogen displacement stages in multistep organic synthesis pipelines

Final product types

• Fine organic intermediates
• Chiral ligands for catalysis
• Custom chemical reagents for R&D and pilot plant use