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115-21-9

115-21-9 structural image
Product Name: Ethyltrichlorosilane
Formula: C2H5Cl3Si
Synonyms: Ethyltrichlorosilane;Trichloroethylsilane
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Ethyltrichlorosilane appears as a colorless fuming liquid with a pungent odor. Flash point 57 °F. Boiling point 211.1 °F (99.5 °C). Vapor and liquid may cause burns. Denser than water. Vapors heavier than air.
Color/Form Liquid
Boiling Point 208 °F at 760 mmHg (EPA, 1998)
Melting Point -158 °F (EPA, 1998)
Flash Point 72 °F (EPA, 1998)
Solubility Soluble in carbon tetrachloride
Density 1.2381 at 68 °F (EPA, 1998) - Denser than water; will sink
Vapor Density 5.6 (EPA, 1998) - Heavier than air; will sink (Relative to Air)
Vapor Pressure 47.2 [mmHg]
Decomposition The silanes decomp at elevated temp to liberate hydrogen and deposit a high purity silicon, which leads to some of the principal uses of silanes. /Silanes/
Corrosivity Corrosive
Heat of Vaporization 9,457.8 gcal/gmol
Refractive Index Index of refraction = 1.4256 at 20 °C
Kovats Retention Index 702 723 713.1 703
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

Skull and Crossbones
Acute Toxicity
GHS06
GHS Hazard Statements H225:Flammable liquids
H302:Acute toxicity,oral
H314:Skin corrosion/irritation
H331:Acute toxicity,inhalation
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+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
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 163.50 g/mol
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 0
Rotatable Bond Count 0
Exact Mass 161.922610 g/mol
Monoisotopic Mass 161.922610 g/mol
Topological Polar Surface Area 0 Ų
Heavy Atom Count 6
Formal Charge 0
Complexity 38.5
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

Ethyltrichlorosilane appears as a colorless fuming liquid with a pungent odor. Flash point 57 °F. Boiling point 211.1 °F (99.5 °C). Vapor and liquid may cause burns. Denser than water. Vapors heavier than air.