98-82-8
Product Name:
Cumene
Formula:
C9H12
Synonyms:
Cumene;Isopropylbenzene;Cumene solution;(1-Methylethyl)benzene;2-Phenylpropane
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Cumene appears as a clear colorless liquid with an aromatic odor. Less dense than water and insoluble in water. Vapors heavier than air. May be moderately toxic by inhalation, ingestion and skin absorption. |
|---|---|
| Color/Form | Colorless liquid |
| Odor | Gasoline-like odor |
| Boiling Point | 306.3 °F at 760 mmHg (USCG, 1999) |
| Melting Point | -140.9 °F (USCG, 1999) |
| Flash Point | 96 °F (USCG, 1999) |
| Solubility | Insoluble (NIOSH, 2023) |
| Density | 0.866 at 59 °F (USCG, 1999) - Less dense than water; will float |
| Vapor Density | 4.1 (Air = 1) |
| Vapor Pressure | 25.85 mmHg (USCG, 1999) |
| LogP | log Kow = 3.66 |
| Henry's Law Constant | Henry's Law constant = 1.15X10-2 atm-cu m/mol at 25 °C |
| Stability/Shelf Life | Volatile |
| Autoignition Temperature | 797 °F (USCG, 1999) |
| Decomposition | Hazardous decomposition products: Toxic gases and vapors (such as carbon monoxide) may be released. |
| Viscosity | 0.737 mPa.sec at 25 °C |
| Heat of Vaporization | 45.13 kJ/mol at 25 °C |
| Surface Tension | 27.69 mN/m at 25 °C |
| Ionization Potential | 8.75 eV |
| Dispersion | Specific dispersion: 166.2 |
| Odor Threshold | Odor Threshold Low: 0.008 [mmHg] Odor Threshold High: 0.13 [mmHg] Detection odor threshold from AIHA (mean = 0.032 ppm) |
| Refractive Index | Index of refraction: 1.4915 |
| Kovats Retention Index | 914.3 906.9 910.8 936.1 907.2 907.9 910 913 909.43 909.62 910 923 909.07 905.1 906 910.7 911.3 909 911 909.1 909.82 912.2 930 930 935.1 942.5 912 909 909 919 919 919.2 919.5 920.1 920.7 919 920 920 920 920 920 920 916 919 919 920 922 909.3 909.8 911.3 921 915 929 920 926 932 909 920.4 925.6 931.8 915.5 922 927 930 932 929 932 935 937 940 910.1 910.1 910.1 910.1 910.1 910.1 916 912 915 932 920 908.4 915 910 922.1 915.8 927.7 911.6 909 920 919 912.8 956 912 908 910.7 917.8 926.5 914 925 914 923 911 920 918 919 920 920 920 914 908 919 918.9 908 926 912 920 920 925 926 916 906 905 925 938 961 906 913 915 921 905 910 903 917 919 916 929 929 925 |
| Other Experimental Properties | Flammable |
| Chemical Classes | Solvents -> Aromatic Solvents |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H226:Flammable liquids H304:Aspiration hazard H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H411:Hazardous to the aquatic environment, long-term hazard |
| 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. P273:Avoid release to the environment. P331:Do NOT induce vomiting. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
COMPUTED DESCRIPTORS
| Molecular Weight | 120.19 g/mol |
|---|---|
| XLogP3 | 3.7 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 1 |
| Exact Mass | 120.093900383 g/mol |
| Monoisotopic Mass | 120.093900383 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 68.1 |
| 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
Cumene appears as a clear colorless liquid with an aromatic odor. Less dense than water and insoluble in water. Vapors heavier than air. May be moderately toxic by inhalation, ingestion and skin absorption.