Description

Hs 3 CAS NO 25487-36-9 is a high-purity chemical intermediate, also known as 2,4,6-Triisopropylbenzenesulfonyl chloride, valued for its role as a versatile sulfonating and protecting agent in complex organic syntheses. Its consistent quality and reactivity make it a critical component for ensuring high yields and purity in multi-step manufacturing processes. This product is essential for research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Peptide Chemistry: Serves as a sulfonyl protecting group (TPS-Cl) for amino acids during solid-phase and solution-phase peptide synthesis.
• Dye and Pigment Manufacturing: Intermediate in the creation of sulfonated dyes and specialty colorants.
• Polymer Modification: Employed to introduce sulfonyl groups into polymer chains for enhanced properties.
• Chemical Research & Development: A valuable reagent for exploring new synthetic pathways and novel compound libraries in R&D laboratories.

Basic Information

Item	Detail
Product Name	Hs 3 CAS NO 25487-36-9
CAS No.	25487-36-9
Molecular Formula	C15H23ClO2S
Molecular Weight	302.86 g/mol
Synonyms	2,4,6-Triisopropylbenzenesulfonyl chloride; TPS-Cl; 2,4,6-Triisopropylphenylsulfonyl chloride; Trisopropylbenzenesulfonyl chloride; Benzenesulfonyl chloride, 2,4,6-tris(1-methylethyl)-; NSC 405124; TIPS-Cl (common abbreviation)
EINECS	Contact for details

Quality Control

Our Hs 3 CAS NO 25487-36-9 is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and titration, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is easily oxidized and should be handled under an inert atmosphere such as nitrogen or argon for long-term storage. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	92 - 96 °C
Water Content (KF)	≤ 0.5%

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