CAS 9022-96-2 is poly(dibutyltitanate), a pale yellow, flammable, viscous organic titanium polymer primarily used as a precursor for preparing titanium dioxide via the sol-gel method and as an esterification/crosslinking catalyst.

Basic Information
- Chinese Name: Butyl Titanium Acid (Alias: Polybutyl Titanium Acid, Tetra-n-Butyl Titanium Acid)
- English name: Poly(dibutyltitanate) (Alternative name: Titanium(IV) butoxide, polymer)
- Molecular formula: C₁₆H₄₀O₄Ti (some sources record it as the polymerized form (C₁₆H₃₆O₄Ti)ₙ)
- Molecular weight: approximately 344.35
Appearance: A light yellow, flammable, organic viscous liquid
- CAS No.: 9022-96-2

Key physical properties
Density: 1.13 g/cm³ (25°C)
2. Melting point: -39°C
3. Boiling point: 117.7°C (There are discrepancies in normal pressure data, with some sources indicating high-temperature decomposition or a higher boiling point.)
4. Flash point: 90°C (approximately 35°C to 90°F, classified as Flammable Liquid Category 3)
5. Stability: Highly prone to hydrolysis when exposed to air moisture; requires lightproof, moisture-proof, and sealed storage.

Main application fields

Material preparation: Synthesize the precursor of TiO₂ nanoparticles or microspheres via the sol-gel method for constructing a gel network.

Industrial Catalysis: Catalysts for esterification, transesterification, and condensation reactions.

Coatings and Additives: Used to enhance coating hardness, adhesion, corrosion resistance, or serve as binders and cross-linking agents.

Safety and Protection
- Hazard: Flammable (R10), Irritating to skin/eyes (R37/38, R41), Vapors may cause drowsiness (R67).
- Handling requirements: Keep away from ignition sources, wear protective equipment during operation, avoid contact with moisture; rinse immediately and seek medical attention if accidentally splashed into the eyes.

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CAS 9022-96-2 Poly(dibutyltitanate)
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