Intermediates

Triisopropylsilane

  • CAS No.6485-79-6
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity triisopropylsilane (≥99.0% by GC) for use as a reducing agent and deprotection reagent in peptide and fine chemical synthesis.

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Product Technical Details

Product Overview

Triisopropylsilane (TIPS-H) is a high-purity organosilicon compound widely employed in pharmaceutical and fine chemical manufacturing as a mild and selective reducing agent. With a molecular formula of C9H22Si and a molecular weight of 158.36 g/mol, it serves as a critical reagent in the deprotection of acid-labile protecting groups—particularly in solid-phase peptide synthesis (SPPS)—where it effectively scavenges carbocations without causing side reactions.

Specifications

Molecular FormulaC9H22Si
Molecular Weight158.36 g/mol
CAS Number6485-79-6
AppearanceClear liquid
Purity (GC)≥99.0%
Density0.7726 g/cm³
Boiling Point178°C
Flash Point37.2°C
Refractive Index1.4358

Industrial Applications

Triisopropylsilane is primarily utilized in advanced organic synthesis workflows, especially in the production of complex pharmaceutical intermediates and active pharmaceutical ingredients (APIs). Its key roles include:

  • Serving as a non-nucleophilic hydride donor in reductive deprotection steps during peptide chain assembly.
  • Acting as an efficient scavenger for reactive cationic species generated during cleavage from resin supports.
  • Providing superior selectivity compared to traditional silanes like triethylsilane, minimizing epimerization and side-product formation.

Due to its volatility and flammability (flash point: 37.2°C), it must be handled under inert atmosphere and stored in a cool, well-ventilated area away from ignition sources. Standard packaging is 150 kg per drum, with custom options available upon request to meet GMP and industrial-scale requirements.