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Isobutyltrimethoxysilane substrates were used for the preparation of gold films by absorption and adsorption.
Isobutyltrimethoxysilane may be used as silane precursors for the synthesis of xerogels.
Colorless clear liquid.
CAS: 18395-30-7
MF: C7H18O3Si
MW: 178.3
EINECS: 242-272-5
Synonyms
ISOBUTYLTRIMETHOXYSILANE;Trimethoxy(2-methylpropyl)silane;CI7810;Dynasylan IBTMO;Silane, trimethoxy(2-methylpropyl)-;trimethoxy(2-methylpropyl)-silan;Isobutyltrimethoxysilane Prosil R 178;Isobutyltrimethoxysilan
Silane,trimethoxy(2-methylpropyl)-;Silane,isobutyltrimethoxy-;Trimethoxy(2-methylpropyl)silane;Isobutyltrimethoxysilane;Dynasylan BSM 40;Prosil 178;Dynasylan BSM 40N;SS 1120;Dynasylan IBT-MO;Silquest I 7810;Z 2306;AY 43-048;Isobutyltrimethoxylsilane;OFS 2306;Sil-Act ATS 100;Xiameter OFS 2306;CG 8430;99550-64-8;86168-13-0
Isobutyltrimethoxysilane is a colorless clear liquid that can be used as silane coupling agent, silane adhesion promoter and a silane crosslinking agent.
Isobutyltrimethoxysilane, with the CAS number 18395-30-7, is an organosilicon compound characterized by its silane structure, which includes a silicon atom bonded to three methoxy groups and one isobutyl group.
Isobutyltrimethoxysilane is typically a colorless to pale yellow liquid with a distinctive odor.
Isobutyltrimethoxysilane is known for its reactivity, particularly in hydrolysis, where it can react with moisture to form silanol groups and eventually silica.
Isobutyltrimethoxysilane is often used as a coupling agent, adhesion promoter, or surface modifier in various applications, including coatings, sealants, and adhesives, due to its ability to enhance the bonding between organic materials and inorganic substrates. Additionally, Isobutyltrimethoxysilane exhibits good compatibility with organic polymers and can improve the mechanical properties of composite materials.
Safety considerations include handling Isobutyltrimethoxysilane in well-ventilated areas and using appropriate personal protective equipment, as it can be irritating to the skin and eyes.
Isobutyltrimethoxysilane Chemical Properties
Melting point: <0°C
Boiling point: 154 °C(lit.)
Density: 0.93 g/mL at 25 °C(lit.)
Vapor pressure: 1.9hPa at 25℃
Refractive index: n20/D 1.396(lit.)
Fp: 103 °F
Storage temp.: 2-8°C
Form: solution
Specific Gravity: 0.933
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
Sensitive:Moisture Sensitive
BRN:2233976
LogP: 2.1 at 20℃
CAS DataBase Reference:18395-30-7(CAS DataBase Reference)
NIST Chemistry Reference: Prosil 178(18395-30-7)
EPA Substance Registry System: Silane, trimethoxy(2-methylpropyl)- (18395-30-7)
Uses
Isobutyltrimethoxysilane is an essential alkyl silane in the following industry:
Can be used in the formulation of water-repellent products
Produces a hydrophobic treatment that inhibits water absorption
Small molecular structure for deep penetration of concrete surfaces
Isobutyltrimethoxysilane can be used as a surface modifier to generate hydrophobicity(e.g. on concrete, glass, inorganic pigment, or mineral fillers).
When diluted with an appropiate solvent, it can be used in the formulation of water repellent products.
Upon proper application, the formulated product will penetrate and provide water repellency by chemically reacting with the cementitious substrate.
Treated substrates are hydrophobic and retain their original appearance.
