Description

5-Methoxy-2,4-Dimethylbenzenesulfonyl Chloride (Saltdata: Free) is a high-purity, specialized sulfonyl chloride derivative used as a critical building block in advanced organic synthesis. This compound is valued for its role as a versatile sulfonylation reagent, enabling the introduction of the sulfonyl functional group into target molecules with high selectivity. It is primarily sought by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals. The "Saltdata: Free" designation indicates a focus on purity, making it suitable for sensitive applications where byproduct formation must be minimized.

Application

• Pharmaceutical Intermediate: A key reagent in the synthesis of sulfonamide-based drug candidates, including protease inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of modern herbicides and fungicides that require specific sulfonyl moiety incorporation for bioactivity.
• Dye and Pigment Manufacturing: Serves as a precursor for creating sulfonated dyes and specialty colorants with enhanced solubility and fastness properties.
• Polymer Chemistry: Employed in the modification of polymers to introduce sulfonyl groups, altering material properties like hydrophilicity and thermal stability.
• Chemical Research & Development: A valuable tool in medicinal and process chemistry for constructing complex molecular architectures and exploring new synthetic pathways.
• Ligand and Catalyst Preparation: Used to functionalize ligands and catalytic frameworks in coordination chemistry and catalysis research.

Basic Information

Item	Detail
Product Name	5-Methoxy-2,4-Dimethylbenzenesulfonyl Chloride (Saltdata: Free)
CAS No.	91179-11-2
Molecular Formula	C9H11ClO3S
Molecular Weight	234.70 g/mol
Synonyms	2,4-Dimethyl-5-methoxybenzenesulfonyl chloride; 5-Methoxy-2,4-dimethylbenzene-1-sulfonyl chloride; 1-(Chlorosulfonyl)-5-methoxy-2,4-dimethylbenzene; 91179-11-2; Saltdata Free Sulfonyl Chloride
EINECS	Contact for details

Quality Control

Our 5-Methoxy-2,4-Dimethylbenzenesulfonyl Chloride (Saltdata: Free) is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting the specific results for your quality assurance and regulatory needs.

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 hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from strong bases, oxidizing agents, and moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details

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