Description

Butane, 1,2,3-Tris(trimethylsiloxy)- is a specialized organosilicon compound, also known by its CAS number 33581-76-9, valued for its role as a versatile silylating agent and synthetic intermediate. Its core value proposition lies in its ability to introduce protective trimethylsiloxy groups, enhancing the solubility and stability of target molecules in demanding chemical processes. This product is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity intermediates for synthesis and derivatization.

Application

• Pharmaceutical Intermediate: Used in the synthesis and protection of complex drug molecules, particularly those containing multiple hydroxyl groups.
• Agrochemical Synthesis: Serves as a key building block for creating advanced pesticides and herbicides with improved efficacy.
• Polymer & Material Science: Acts as a cross-linking agent or modifier in the production of specialty silicones and high-performance polymers.
• Surface Modification: Employed to functionalize silica and other inorganic surfaces, altering their hydrophobicity and reactivity.
• Analytical Chemistry: Utilized as a derivatization agent in gas chromatography (GC) and mass spectrometry (MS) to improve the volatility and detection of polar compounds.
• Laboratory Reagent: A valuable tool in organic synthesis for protecting group chemistry and facilitating challenging reactions.

Basic Information

Product Name	Butane, 1,2,3-Tris(trimethylsiloxy)-
CAS No.	33581-76-9
Molecular Formula	C13H34O3Si3
Molecular Weight	322.68 g/mol
Synonyms	1,2,3-Tris(trimethylsiloxy)butane; Butane-1,2,3-triyl tris(trimethylsilicate); Trimethylsilyl butane-1,2,3-triyl tris(ether); 1,2,3-Trihydroxybutane tris(trimethylsilyl) ether; Butane-1,2,3-triol, tris(O-trimethylsilyl) ether; TMS-protected butanetriol; Tris(trimethylsiloxy)butane
EINECS	Contact for details

Quality Control

Our Butane, 1,2,3-Tris(trimethylsiloxy)- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

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). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when possible to prevent degradation. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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