Description

Bishexadecanoic Acid 2-Trimethylsilyloxy-1,3-Propanediyl Ester is a specialized organosilicon ester derivative of palmitic acid, offering unique properties as a reactive intermediate and functional additive. This compound is valued for its ability to impart hydrophobicity, modify surface characteristics, and act as a protective group or coupling agent in advanced synthesis. It serves critical roles in the production of high-performance materials, including silicone polymers, coatings, and personal care formulations. Industries such as specialty chemicals, pharmaceuticals, and advanced material science rely on this ester for its precise functionality and reliability.

Application

• Silicone Polymer Modification: Acts as a functional monomer or cross-linking agent to introduce hydrophobic alkyl chains into silicone backbones, enhancing water repellency and release properties.
• Surface Treatment Agent: Used to coat pigments, fillers, or nanoparticles (e.g., silica, titanium dioxide) to improve dispersion in organic matrices and increase compatibility with hydrophobic systems.
• Personal Care & Cosmetic Ingredients: Serves as an emollient, skin-conditioning agent, or viscosity modifier in creams, lotions, and sunscreens due to its smooth texture and water-resistant film-forming ability.
• Pharmaceutical Intermediates: Utilized as a protecting group for alcohols or diols in multi-step synthetic routes for active pharmaceutical ingredients (APIs).
• Lubricant & Grease Additives: Incorporated as a friction-reducing agent and stabilizer in high-performance lubricants and greases for industrial machinery.
• Adhesive & Sealant Formulations: Functions as a plasticizer and adhesion promoter in silicone-based adhesives, sealants, and potting compounds.
• Research & Development: Employed in academic and industrial R&D for exploring new organosilicon chemistry, material science, and catalytic processes.

Basic Information

Product Name	Bishexadecanoic Acid 2-Trimethylsilyloxy-1,3-Propanediyl Ester
CAS No.	53212-95-6
Molecular Formula	C35H72O5Si
Molecular Weight	601.03 g/mol
Synonyms	1,3-Bis(hexadecanoyloxy)-2-[(trimethylsilyl)oxy]propane; 2-(Trimethylsiloxy)-1,3-propanediol dipalmitate; Dipalmitin 2-TMS ether; Glycerol 1,3-dipalmitate 2-trimethylsilyl ether; Trimethylsilyl glycerol dipalmitate; Glycerol 2-O-trimethylsilyl-1,3-dipalmitate; 2-Trimethylsilyloxypropane-1,3-diyl dipalmitate
EINECS	Contact for details

Quality Control

Our Bishexadecanoic Acid 2-Trimethylsilyloxy-1,3-Propanediyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (IR, NMR), to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment ensures the material is suitable for demanding applications in pharmaceutical intermediates and high-performance material synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent exposure to atmospheric moisture. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines
Water Content (KF)	< 0.5%

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