CAS 7521-80-4 Butyltrichlorosilane - Materials / Alfa Chemistry

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Butyltrichlorosilane

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Catalog Number

ACM7521804

CAS Number

7521-80-4

Product Name

Butyltrichlorosilane

Structure

Category

Self-Assembly Materials; Silane Coupling Agents; POSS Nanohybrid Materials; Solution Deposition Precursors; Substrates and Electrode Materials

Description

Butyltrichlorosilane appears as a colorless liquid with a pungent odor. Flash point 126°F. Corrosive to metals and skin. Used to make various silicon containing compounds.

IUPAC Name

butyl(trichloro)silane

Molecular Weight

191.55g/mol

Molecular Formula

C4H9Cl3Si

Canonical SMILES

CCCC[Si](Cl)(Cl)Cl

InChI

InChI=1S/C4H9Cl3Si/c1-2-3-4-8(5,6)7/h2-4H2,1H3

InChI Key

FQEKAFQSVPLXON-UHFFFAOYSA-N

Boiling Point

288 °F at 760 mm Hg (USCG, 1999);148.5 °C;148.5 °C

Flash Point

126 °F (USCG, 1999);130 °F (54 °C) (open cup)

Density

1.16 at 68 °F (USCG, 1999);1.1606 g/cu cm at 20 C

Solubility

Soluble in ethyl ether, benzene, toluene, ethyl acetate;Soluble in heptane

Application

Butyltrichlorosilane is primarily used for surface modification and functionalization of materials. When applied to glass substrates, it introduces surface alkyl groups, which can effectively bind with specific compounds such as 2-methacryloyloxyethyl-4-azidobenzoate (MPAz), transforming hydrophobic glass surfaces into superhydrophilic ones. Additionally, it serves a crucial role in enhancing the sensitivity of zinc peroxide nanoparticle/polystyrene sulfonate hybrid-based sensors, improving their detection limit by three-fold. As a colorless liquid with a boiling point of 149℃ and notable reactivity, Butyltrichlorosilane significantly contributes to advancing material science and sensor technology applications.

Color/Form

Colorless liquid

Complexity

58.8

Corrosivity

Corrosive

Covalently-Bonded Unit Count

EC Number

231-381-3

Exact Mass

189.95391g/mol

Formal Charge

Heat of Vaporization

81 BTU/LB = 45 CAL/G = 1.9X10+5 JOULES/KG (EST)

Heavy Atom Count

Monoisotopic Mass

189.95391g/mol

NSC Number

93881

Other Experimental

Readily hydrolyzed with liberation of hydrogen chloride;Reacts with water or steam to produce heat and toxic and corrosive fumes;The reaction of organosilanes with halogens and halogen compounds usually proceeds in good yield through cleavage of the Si--H bond and formation of the silicon-halogen bond. Reaction with fluorine, however, does not proceed satisfactorily because of cleavage of not only the Si--H but also C--Si and C--H bonds. Direct halogenation with chlorination, bromine, and iodine proceeds smoothly, however. /Organosilanes/

Refractive Index

Index of refraction: 1.4363 at 25 °C/D

Rotatable Bond Count

UNII

ZQ9O7LYO00

UN Number

1747;1747;1747

Vapor Density

6.4 (Air = 1)

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