Name: Domestic D-120 Tetrapropyl Orthosilicate
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Domestic D-120 Tetrapropyl Orthosilicate

High-purity domestic-grade tetrapropyl orthosilicate (TPOS) with ≥99.0% assay.
Low water content (<0.1 wt%) ensuring excellent hydrolytic stability during storage and handling.
Consistent batch-to-batch performance validated by GC analysis and refractive index control.
Non-halogenated, solvent-free liquid formulation suitable for environmentally sensitive processes.
Optimized volatility profile for controlled sol-gel reaction kinetics in coating and encapsulation applications.

Typical Applications Of Domestic D-120 Tetrapropyl Orthosilicate

Silica aerogel synthesis via acid- or base-catalyzed sol-gel processing.
Hybrid organic-inorganic coatings for optical lenses and anti-reflective glass substrates.
Precursor in the production of high-surface-area silica nanoparticles and mesoporous materials.
Surface modification agent for silica fillers in silicone rubber and specialty composites.
Intermediate in the manufacture of silicon-containing resins and ceramic precursors.

Chemical Type	Tetrapropyl orthosilicate (TPOS), Si(OC₃H₇)₄
Product Form	Clear, colorless liquid
Appearance	Transparent, free from visible particulates or haze
Assay (GC)	≥99.0%
Water Content (KF)	≤0.1 wt%
Refractive Index (25°C)	1.398–1.402
Density (20°C)	0.935–0.945 g/cm³
Boiling Point (760 mmHg)	230–235°C

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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China