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20156-50-7

20156-50-7 structural image
Product Name: DICHLOROMETHYLSILANE
Formula: CH4Cl2Si
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Methyldichlorosilane appears as a colorless fuming liquid with a pungent odor. Flash point: -26 °F; Boiling point: 41 °C (106 °F). Vapors heavier than air. Vapor and liquid may cause burns. Denser than water and decomposed by water to form hydrochloric acid, a corrosive material.
Color/Form Colorless liquid
Odor ACRID ODOR
Boiling Point 106.7 °F at 760 mmHg (USCG, 1999)
Melting Point -135 °F (USCG, 1999)
Flash Point -14 °F (USCG, 1999)
Solubility Sol in benzene, ether, heptane
Density 1.11 at 77 °F (USCG, 1999) - Denser than water; will sink
Vapor Density 3.97 (AIR= 1)
Vapor Pressure 429.0 [mmHg]
LogP log Kow = 1.7 at 25 °C
Autoignition Temperature greater than 600 °F (USCG, 1999)
Decomposition Toxic hydrogen chloride and phosgene gases may be formed.
Heat of Combustion -4,700 BTU/LB
Heat of Vaporization 106 BTU/LB
Refractive Index INDEX OF REFRACTION: 1.3983 @ 20 °C/D
Other Experimental Properties RELEASES HYDROGEN IN AN ALKALINE MIXTURE
Chemical Classes Toxic Gases & Vapors -> Chlorosilanes

COMPUTED DESCRIPTORS

Molecular Weight 114.02 g/mol
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 0
Rotatable Bond Count 0
Exact Mass 112.9381070 g/mol
Monoisotopic Mass 112.9381070 g/mol
Topological Polar Surface Area 0 Ų
Heavy Atom Count 4
Formal Charge 0
Complexity 13.5
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

Methyldichlorosilane appears as a colorless fuming liquid with a pungent odor. Flash point: -26 °F; Boiling point: 41 °C (106 °F). Vapors heavier than air. Vapor and liquid may cause burns. Denser than water and decomposed by water to form hydrochloric acid, a corrosive material.