107-87-9
Product Name:
2-Pentanone
Formula:
C5H10O
Synonyms:
2-Pentanone;Methyl propyl ketone
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Methyl propyl ketone appears as a clear colorless liquid with the odor of fingernail polish. Flash point 45 °F. Less dense than water and soluble in water. Hence floats on water. Density 0.809 g / cm3. Vapors heavier than air. |
|---|---|
| Color/Form | Colorless liquid |
| Odor | Characteristic acetone-like odor |
| Boiling Point | 212 to 214 °F at 760 mmHg (NTP, 1992) |
| Melting Point | -108 °F (NTP, 1992) |
| Flash Point | 45 °F (NTP, 1992) |
| Solubility | 10 to 50 mg/mL at 72 °F (NTP, 1992) |
| Density | 0.809 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Vapor Density | 3 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 12 mmHg at 68 °F ; 16 mmHg at 77 °F; 21 mmHg at 86 °F (NTP, 1992) |
| LogP | log Kow = 0.91 |
| Henry's Law Constant | Henry's Law constant = 8.36X10-5 atm-cu m/mol at 25 °C |
| Autoignition Temperature | 941 °F (USCG, 1999) |
| Decomposition | When heated to decomposition it emits acrid smoke and irritating fumes. |
| Viscosity | 0.473 cp at 25 °C |
| Heat of Combustion | 3099.4 kJ/mole at 25 °C |
| Heat of Vaporization | 38.40 kJ/mol at 25 °C; 33.44 kJ/mol at boiling point of 103.26 °C |
| Ionization Potential | 9.39 eV |
| Odor Threshold | Odor Threshold Low: 3.1 [mmHg] Odor Threshold High: 13.6 [mmHg] Detection odor threshold from AIHA (mean = 7.7 ppm) |
| Refractive Index | Index of refraction: 1.3895 at 20 °C/D |
| Kovats Retention Index | 651 673.9 653 653 653 673 653 653 680 666 677 682 630 666 661 662 662 662 663 664 645 663.3 666 665.42 666.11 666.63 666.82 667.09 667.23 668.17 668.33 669.68 670.44 672.02 674.86 638.93 652.2 671.87 672.2 673.99 665.4 665.4 665.4 665.4 665.69 666.07 666.9 665 666 666 667 672 673 674 676 649 669.2 675.3 682 685.6 664.8 685 668 703 705 672 675 671 671 666 673 674 680 670 666 667 667 668 669 669 661 654 666 666 667 668 668 669 670 670 662 649 659 665 672 665 662.2 655 665 644 629 664 674 663 667.6 665.7 680 693 669 666 670 676 663 663 652 652 655 658 669 680 672 658 658 672 664 665 639 674 660 680 677 673 658.4 |
| Other Experimental Properties | Percent in saturated air 2.1% |
| Chemical Classes | Solvents -> Ketones (<C12) |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids H302:Acute toxicity,oral H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. 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 | 86.13 g/mol |
|---|---|
| XLogP3 | 0.9 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 2 |
| Exact Mass | 86.073164938 g/mol |
| Monoisotopic Mass | 86.073164938 g/mol |
| Topological Polar Surface Area | 17.1 Ų |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Complexity | 47.9 |
| 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
Methyl propyl ketone appears as a clear colorless liquid with the odor of fingernail polish. Flash point 45 °F. Less dense than water and soluble in water. Hence floats on water. Density 0.809 g / cm3. Vapors heavier than air.