Description

Orthosilicic Acid Dibutyldipropyl Ester is a specialized organosilicon compound that serves as a versatile chemical intermediate. This product is valued for its ability to modify surface properties and act as a precursor in advanced material synthesis. It is primarily sought by manufacturers in the silicone polymer, specialty coatings, and adhesive industries for developing products with enhanced performance characteristics.

Application

• As a key cross-linking agent or chain extender in the synthesis of specialty silicone resins and elastomers.
• As a surface modifying agent for inorganic fillers (e.g., silica, glass) to improve compatibility with organic polymer matrices.
• As a precursor for sol-gel processes to create hybrid organic-inorganic coatings with tailored barrier or optical properties.
• In the formulation of high-performance release coatings and pressure-sensitive adhesives.
• For the development of water-repellent and anti-corrosion treatments for construction and automotive materials.
• As an intermediate in the production of specialty silanes used as adhesion promoters.

Basic Information

Product Name	Orthosilicic Acid Dibutyldipropyl Ester
CAS No.	55683-16-4
Molecular Formula	C14H32O4Si
Molecular Weight	292.49 g/mol
Synonyms	Dibutyldipropyl Orthosilicate; Tetrabutyldipropyl Orthosilicate (common name); Butyl Propyl Orthosilicate; Silicic Acid (H4SiO4), Tetrabutyl Dipropyl Ester; Orthosilicic Acid Tetrabutyl Dipropyl Ester; DBDPOS; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our Orthosilicic Acid Dibutyldipropyl Ester is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specific results for all critical parameters is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or Titration)	≥ 95.0%
Density (at 20°C)	0.90 - 0.95 g/mL
Refractive Index (n20D)	1.410 - 1.430
Water Content (Karl Fischer)	≤ 0.5%

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