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7521-80-4

7521-80-4 structural image
Product Name: N-BUTYLTRICHLOROSILANE
Formula: C4H9Cl3Si
Synonyms: Trichlorobutylsilane
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CHEMICAL AND PHYSICAL PROPERTIES

Physical 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.
Color/Form Colorless liquid
Boiling Point 288 °F at 760 mmHg (USCG, 1999)
Flash Point 126 °F (USCG, 1999)
Solubility Soluble in ethyl ether, benzene, toluene, ethyl acetate
Density 1.16 at 68 °F (USCG, 1999) - Denser than water; will sink
Vapor Density 6.4 (Air = 1)
Decomposition Hydrogen chloride and phosgene gases may form; both are toxic and irritating.
Corrosivity Corrosive
Heat of Combustion -4,300 BTU/LB = -2,400 CAL/G = -100X10+5 JOULES/KG
Surface Tension 25 DYNES/CM = 0.025 NEWTONS/M AT 20 °C
Refractive Index Index of refraction: 1.4363 at 25 °C/D
Kovats Retention Index 883 903
Other Experimental Properties Readily hydrolyzed with liberation of hydrogen chloride
Chemical Classes Toxic Gases & Vapors -> Chlorosilanes

SAFETY INFORMATION

Signal word Danger
Pictogram(s)

Flame
Flammables
GHS02

Corrosion
Corrosives
GHS05

Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H226:Flammable liquids
H302:Acute toxicity,oral
H314:Skin corrosion/irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

COMPUTED DESCRIPTORS

Molecular Weight 191.55 g/mol
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 0
Rotatable Bond Count 2
Exact Mass 189.953910 g/mol
Monoisotopic Mass 189.953910 g/mol
Topological Polar Surface Area 0 Ų
Heavy Atom Count 8
Formal Charge 0
Complexity 58.8
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

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.