CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Propionitrile appears as a colorless liquid with an ether-like odor. Density 0.683 g / cm3. Flash point 61 °F. Toxic by inhalation, skin absorption, and ingestion. Vapors are heavier than air. Used as a solvent, and to make other chemicals. |
|---|---|
| Color/Form | Colorless liquid |
| Odor | Pleasant, sweetish, ethereal odor. |
| Boiling Point | 207 °F at 760 mmHg (EPA, 1998) |
| Melting Point | -133 °F (EPA, 1998) |
| Flash Point | 35.6 °F (EPA, 1998) |
| Solubility | 50 to 100 mg/mL at 73 °F (NTP, 1992) |
| Density | 0.802 at 32 °F (EPA, 1998) - Less dense than water; will float |
| Vapor Density | 1.9 (EPA, 1998) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 40 mmHg at 71.6 °F (EPA, 1998) |
| LogP | log Kow= 0.16 |
| Henry's Law Constant | Henry's Law constant = 3.70X10-5 atm cu m/mole @ 25 °C |
| Autoignition Temperature | 510 °C |
| Decomposition | When heated to decomp it emits toxic fumes of /nitrogen oxides and cyanides/. |
| Viscosity | 0.454 cP @ 15 °C; 0.389 cP @ 30 °C |
| Heat of Combustion | -1910.62 kJ/mol @ 25 °C (liquid) |
| Heat of Vaporization | 36.03 kJ/mol @ 22.83 °C |
| Surface Tension | 27.25 dyne/cm @ 20 °C; 26.19 dyne/cm @ 30 °C |
| Ionization Potential | 11.84 eV |
| Refractive Index | INDEX OF REFRACTION: 1.36812 @ 15 °C/D; 1.36585 @ 20 °C/D; 1.36132 @ 30 °C/D |
| Dissociation Constants | pKa = 33.54 |
| Kovats Retention Index | 542.29 542.32 542.38 542.41 542.6 542.69 542.9 543.13 543.33 543.83 544.44 545.05 545.79 546.65 547.65 548.6 549.63 550.75 545.3 547 554 554 555 544 547.4 524 540.5 539 542 539 580 580 557 |
| Other Experimental Properties | Hydroxyl radical reaction rate constant = 1.94X10-13 cu cm/molecule-sec @ 25 °C |
| Chemical Classes | Nitrogen Compounds -> Nitriles |
SAFETY INFORMATION
| Pictogram(s) |
 Flame Flammables GHS02  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H225:Flammable liquids H300:Acute toxicity,oral H310:Acute toxicity,dermal H319:Serious eye damage/eye irritation H331:Acute toxicity,inhalation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 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. P405:Store locked up. |
COMPUTED DESCRIPTORS
| Molecular Weight | 55.08 g/mol |
|---|---|
| XLogP3 | 0.2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 55.042199164 g/mol |
| Monoisotopic Mass | 55.042199164 g/mol |
| Topological Polar Surface Area | 23.8 Ų |
| Heavy Atom Count | 4 |
| 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
Propionitrile appears as a colorless liquid with an ether-like odor. Density 0.683 g / cm3. Flash point 61 °F. Toxic by inhalation, skin absorption, and ingestion. Vapors are heavier than air. Used as a solvent, and to make other chemicals.