TMSOTF / Trimethylsilyl Trifluoromethanesulfonate Cas 27607-77-8

Chemical Name:TMSOTF/Trimethylsilyl trifluoromethanesulfonate
CAS No.:27607-77-8
Molecular Formula: C4H9F3O3SSi
Molecular Weight:222.2581696
Appearance: Colorless to pale yellow liquid
Assay: 99.5%

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Trimethylsilyl Trifluoromethanesulfonate (TMSOTF) Cas 27607-77-8: Ultimate Guide

Table of Contents

1. Product Overview & Specifications

TMSOTF (Trimethylsilyl Trifluoromethanesulfonate), CAS 27607-77-8, is a potent silylating agent and Lewis acid catalyst widely used in organic synthesis.

Parameter Specification
Molecular Formula C4H9F3O3SSi
Purity ≥98% (GC)
Boiling Point 142-143°C
Density 1.24 g/cm³
Storage Temperature 2-8°C under inert gas

2. Key Applications & Use Cases

Primary industrial applications include:

  • Protection/deprotection of hydroxyl groups in carbohydrate chemistry
  • Catalyst in Friedel-Crafts alkylation reactions
  • Promoter for silylation reactions in peptide synthesis
  • Key reagent in nucleoside modifications

3. Performance Comparison with Alternatives

Reagent Reactivity Stability Cost Efficiency
TMSOTF High Medium $$$
TMSCl Medium High $$
TBSOTf Very High Low $$$$

4. Industry Application Scenarios

Pharmaceutical Manufacturing: Used in synthesis of antiviral drugs like Remdesivir intermediates

Agrochemical Production: Key component in pesticide intermediate synthesis

5. Verified Customer Success Stories

Case 1: Leading Chinese API Manufacturer (2024)
– Challenge: Low yield (58%) in nucleoside protection step
– Solution: TMSOTF-based optimized protocol
– Result: Yield increased to 89% with 99.2% purity

Case 2: European Fine Chemicals Supplier (2023)
– Application: Continuous flow silylation process
– Outcome: 40% reduction in reaction time
– Volume: 2.3 metric tons annual consumption

6. Request Customized Solutions

Contact our technical team for:

  • Bulk pricing (25kg drum quantities available)
  • Custom purity specifications (up to 99.9%)
  • Technical support for process optimization

Email: info@vivalr.com
Tel: (86) 15866781826

Note: All data verified through third-party lab testing and customer production records. Specifications subject to batch-specific COA.

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