Description

1,3,5-Benzenetrisulfonic Acid Triethyl Ester is a versatile organic sulfonate ester with a symmetrical, trifunctional structure. This compound serves as a critical intermediate and functional additive in advanced chemical synthesis, offering unique reactivity and solubility properties. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring sulfonation, cross-linking, or as a building block for more complex molecules.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs requiring sulfonate ester functionalities.
• Cross-linking Agent: Acts as a trifunctional cross-linker in the production of specialty resins, polymers, and coatings to enhance thermal and chemical resistance.
• Chemical Synthesis Building Block: Serves as a key precursor for introducing sulfonic acid groups or their protected forms into more complex organic molecules.
• Agrochemical Formulations: Employed in the development of certain herbicides and fungicides as an intermediate or solubility modifier.
• Dye and Pigment Manufacturing: Utilized in the synthesis of sulfonated dyes and colorants to improve water solubility and fastness properties.
• Electrolyte Additive: Investigated for use in advanced battery electrolytes and fuel cell membranes due to its sulfonate groups.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic methodologies and material science.

Basic Information

Product Name	1,3,5-Benzenetrisulfonic Acid Triethyl Ester
CAS No.	34577-50-9
Molecular Formula	C12H18O9S3
Molecular Weight	402.45 g/mol
Synonyms	Triethyl 1,3,5-Benzenetrisulfonate; 1,3,5-Tris(ethylsulfonyl)benzene; Benzene-1,3,5-triyl tris(ethylsulfonate); Triethyl Benzene-1,3,5-trisulfonate; Benzenetrisulfonic Acid Triethyl Ester; Ethyl Benzenetrisulfonate; Tris(ethylsulfonyl)benzene
EINECS	Contact for details

Quality Control

Our 1,3,5-Benzenetrisulfonic Acid Triethyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure high purity, consistency, and traceability. We provide detailed Certificates of Analysis (COA) with key parameters including assay, identity confirmation, and impurity profiles. Our quality commitment supports applications requiring reliable and reproducible performance in sensitive syntheses.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases, strong oxidizing agents, and sources of ignition. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
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	≤ 10 ppm

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