Description

Benzenesulfonothioic Acid, 4-Ethyl- (9Ci) is a specialized organosulfur compound characterized by its sulfonothioic acid functional group. This chemical serves as a valuable intermediate or reagent in advanced organic synthesis, particularly for introducing sulfur-containing moieties or acting as a precursor for more complex molecules. It is primarily utilized by pharmaceutical R&D teams and fine chemical manufacturers developing novel active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, especially those requiring sulfonamide or thioether linkages.
• Agrochemical Research: Used in developing new herbicides, fungicides, or plant growth regulators with specific activity profiles.
• Material Science: Potential monomer or additive in the production of specialized polymers, coatings, or liquid crystals.
• Chemical Synthesis Reagent: Acts as a sulfonation or sulfur-transfer agent in complex organic transformations.
• Ligand Precursor: Can be modified to create chelating ligands for catalysis or metal complexation studies.
• Dye & Pigment Manufacturing: Intermediate in the synthesis of sulfur-containing colorants.

Basic Information

Product Name	Benzenesulfonothioic Acid, 4-Ethyl- (9Ci)
CAS No.	804430-40-8
Molecular Formula	C8H10O2S2
Molecular Weight	202.29 g/mol
Synonyms	4-Ethylbenzenesulfonothioic Acid; p-Ethylbenzenesulfonothioic Acid; 4-Ethylbenzene-1-sulfonothioic Acid; Benzenesulfonothioic acid, 4-ethyl-; 804430-40-8; 4-Ethylphenylsulfonothioic Acid
EINECS	Contact for details

Quality Control

Our production of Benzenesulfonothioic Acid, 4-Ethyl- (9Ci) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure consistency and meet precise customer specifications. A Certificate of Analysis (COA) detailing all relevant parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Due to its acidic nature, containers should be kept upright to prevent leakage. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.