CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Diethyldichlorosilane appears as a colorless liquid with a pungent odor. Flash point 77 °F. Corrosive to metals and tissue. Vapors are heavier than air. |
|---|---|
| Color/Form | Colorless liquid |
| Boiling Point | 262 to 266 °F at 760 mmHg (decomposes) (NTP, 1992) |
| Melting Point | -141.7 °F (NTP, 1992) |
| Flash Point | 75.2 °F (NTP, 1992) |
| Solubility | Decomposes (NTP, 1992) |
| Density | 1.05 at 68 °F (NTP, 1992) - Denser than water; will sink |
| Vapor Density | 5.41 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 5 mmHg at 56.7 °F ; 10 mmHg at 77.7 °F; 20 mmHg at 99.9 °F (NTP, 1992) |
| Stability/Shelf Life | Decomp in cold water |
| Decomposition | Hydrogen chloride and phosgene gases may form; both are toxic and irritating. |
| Corrosivity | Corrosive |
| Heat of Vaporization | 10,038.6 gcal/gmol |
| Refractive Index | Index of refraction: 1.4309 at 20 °C/D |
| Kovats Retention Index | 809 831 822.6 813 |
| Other Experimental Properties | Readily hydrolyzed with liberation of hydrochloric acid |
| 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 H335:Specific target organ toxicity, single exposure;Respiratory tract 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. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. |
COMPUTED DESCRIPTORS
| Molecular Weight | 157.11 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 2 |
| Exact Mass | 155.9928822 g/mol |
| Monoisotopic Mass | 155.9928822 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Complexity | 47.7 |
| 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
Diethyldichlorosilane appears as a colorless liquid with a pungent odor. Flash point 77 °F. Corrosive to metals and tissue. Vapors are heavier than air.