chloro-tris(2-methylpropyl)silane, CAS No. 13154-25-1

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13154-25-1

Catalog No. EBD243643

CAS 13154-25-1

Name chloro-tris(2-methylpropyl)silane

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Basic Information

Synonyms: triiso-butylchlorosilane chlorotriisobutylsilane triisobutylchlorosilane i-Bu3SiCl triisobutylsilylchloride Chlor-triisobutyl-silan Triisobutylchlorosilane,Triisobutylsilylchloride chloro[tris(2-methylpropyl)]silane chlorotris(isobutyl)silane nsc516680 chlorotriisobutylsilane99%

Molecular Formula: C12H27ClSi

Molecular Weight: 234.88

Categories: Materials Chemistry > Surface Modification and Functional Coatings > Silanes and Alkoxysilanes Synthetic Chemistry > Organic Building Blocks > Other Organic Building Blocks

Product Description:

Triisobutylchlorosilane is an organosilicon compound characterized by a silicon atom bonded to three isobutyl groups and one chlorine atom. It is a colorless to pale yellow liquid with a pungent odor, sensitive to moisture and air, and typically handled under inert conditions. Its primary and most significant application is as a versatile silylating agent and surface modifier in materials science. It is extensively used to introduce hydrophobic triisobutylsilyl (TBS) groups onto the surfaces of various inorganic materials, such as silica, glass, and metal oxides, to alter their surface energy, improve compatibility with organic polymers, or create moisture-resistant coatings. In organic synthesis, it serves as a precursor for other organosilicon reagents and as a protecting group for alcohols and other functional groups, although its use is less common than smaller silyl chlorides like TMSCl or TBDMSCI. The compound is also employed in the synthesis of specialty silicones and as an intermediate in the production of other functional silanes. Due to its reactivity with water and moisture, generating corrosive hydrogen chloride, it requires careful handling and storage in a dry environment.

Physical Properties

Boiling Point: 252.87 °C at 760 mmHg

Flash Point: 87 °C

Density: 0.875 g/mL at 25 °C(lit.)

Refractivity: n20/D 1.448(lit.)

Safety Information

Packing Level: II

Hazard Category: 8

Transport Codes: 2987