Physical Description |
1,1-dichloroethane appears as a colorless liquid with an ether-like odor. Slightly soluble in water and slightly denser than water. Flash point below 70 °F. Vapors denser than air. Used to make other chemicals. |
Color/Form |
Colorless, oily liquid |
Odor |
Aromatic ethereal odor |
Taste |
As of chloroform |
Boiling Point |
135.1 °F at 760 mmHg (NTP, 1992) |
Melting Point |
-143 °F (NTP, 1992) |
Flash Point |
22 °F (NTP, 1992) |
Solubility |
less than 1 mg/mL at 68 °F (NTP, 1992) |
Density |
1.174 at 68 °F (USCG, 1999) - Denser than water; will sink |
Vapor Density |
3.44 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
Vapor Pressure |
234 mmHg at 77 °F ; 182 mmHg at 68 °F (NTP, 1992) |
LogP |
log Kow = 1.79 |
Henry's Law Constant |
Henry's Law constant = 5.62X10-3 atm-cu m/mole at 24 °C |
Stability/Shelf Life |
Stable under recommended storage conditions. |
Autoignition Temperature |
856 °F (USCG, 1999) |
Decomposition |
Hazardous decomposition products formed under fire conditions - Carbon oxides, Hydrogen chloride gas. |
Viscosity |
0.464 mPa s at 25 °C; 0.362 mPa s at 50 °C |
Corrosivity |
Will attack some forms of plastics, rubber, and coatings. |
Heat of Combustion |
-4,774 Btu/lb = -2,652 cal/g = -111X10+5 J/kg |
Heat of Vaporization |
131.6 Btu/lb = 73.1 cal/g = 3.06X10+5 J/kg |
pH |
Neutral |
Surface Tension |
24.07 mN/m at 20 °C |
Ionization Potential |
11.06 eV |
Odor Threshold |
Odor Threshold Low: 49.0 [mmHg] Odor Threshold High: 1359.0 [mmHg] Odor threshold from AIHA |
Refractive Index |
Index of refraction: 1.4167 at 20 °C |
Relative Evaporation Rate |
11.6 (Butyl acetate = 1) |
Kovats Retention Index |
553 600 585.9 590.6 592.2 593.3 594.2 598.9 601.6 560 564 566 568 570 567.1 568 565.8 568 559 557.8 559 559 563 563 |
Other Experimental Properties |
Percent in saturated air: 30.8 at 25 °C |
Chemical Classes |
Solvents -> Chlorinated Aliphatics |