Description

12,12,23,23-Tetramethyl-2,5,8,11,13,16,19,22,24,27,30,33-Dodecaoxa-12,23-Disilatetratriacontane is a high-purity, specialized organosilicon compound featuring a long-chain polyether structure terminated with siloxane groups. This unique molecular architecture provides excellent surfactant properties, making it a critical intermediate and performance additive in advanced material formulations. It is essential for manufacturers in the polyurethane, silicone, and specialty polymer industries seeking to enhance product compatibility, surface activity, and processing characteristics.

Application

• Polyurethane Industry: Acts as a key surfactant and cell stabilizer in the production of flexible and rigid polyurethane foams, ensuring uniform cell structure.
• Silicone Modification: Serves as a reactive intermediate for synthesizing silicone-polyether copolymers (SPE) used in coatings, adhesives, and sealants.
• Non-ionic Surfactant: Utilized in high-performance industrial applications requiring wetting, emulsifying, and dispersing agents with thermal and hydrolytic stability.
• Lubricant & Release Agent Formulation: Incorporated as an additive to improve lubricity and mold release properties in plastic and rubber processing.
• Personal Care & Cosmetics: Used in the synthesis of specialty silicones that provide smooth texture and conditioning in hair and skin care products.
• Pharmaceutical Excipients: Potential application in the development of drug delivery systems and as a solubilizing agent due to its amphiphilic nature.

Basic Information

Product Name	12,12,23,23-Tetramethyl-2,5,8,11,13,16,19,22,24,27,30,33-Dodecaoxa-12,23-Disilatetratriacontane
CAS No.	56408-81-2
Molecular Formula	C30H64O12Si2
Molecular Weight	661.0 g/mol
Synonyms	Polyether-modified siloxane; α,ω-Bis(trimethylsiloxy) polyoxyethylene; Silicone polyether copolymer; Poly(ethylene glycol) bis(trimethylsilyl) ether; PEG-siloxane; Bis(trimethylsilyl) PEG; 2,5,8,11,13,16,19,22,24,27,30,33-Dodecaoxa-12,23-disilatetratriacontane, 12,12,23,23-tetramethyl-; (PEG) bis(trimethylsilyl) ether
EINECS	Contact for details

Quality Control

Our production of 12,12,23,23-Tetramethyl-2,5,8,11,13,16,19,22,24,27,30,33-Dodecaoxa-12,23-Disilatetratriacontane adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and FTIR, to verify identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided to ensure traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and degradation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.450
Density (g/mL at 20°C)	1.00 - 1.05

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