CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 3-methylcholanthrene appears as yellow crystals or solid. (NTP, 1992) |
|---|---|
| Color/Form | Yellow needles from benzene |
| Boiling Point | 536 °F at 80 mmHg (NTP, 1992) |
| Melting Point | 354 to 356 °F (NTP, 1992) |
| Solubility | less than 0.1 mg/mL at 64 °F (NTP, 1992) |
| Density | 1.28 at 68 °F (NTP, 1992) - Denser than water; will sink |
| Vapor Pressure | 6.85e-07 mmHg at 68 °F (NTP, 1992) |
| LogP | log Kow = 6.42 |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| Decomposition | Hazardous decomposition products formed under fire conditions - Carbon oxides. |
| Heat of Vaporization | 93.8 kJ/mol at 398 K |
| Kovats Retention Index | 2877 2959 2959 2911 2906 2959 2920.8 469 457.9 467.7 468.9 467.7 |
| Other Experimental Properties | Conversion factor (wt/vol: 10.98 mg/cu m is equivalent to 1 ppm |
| Chemical Classes | Other Classes -> Polycyclic Aromatic Hydrocarbons |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Health Hazard GHS08 |
| GHS Hazard Statements |
H350:Carcinogenicity H413:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P273:Avoid release to the environment. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 268.4 g/mol |
|---|---|
| XLogP3 | 6.4 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 268.125200510 g/mol |
| Monoisotopic Mass | 268.125200510 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 21 |
| Formal Charge | 0 |
| Complexity | 399 |
| 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
3-methylcholanthrene appears as yellow crystals or solid. (NTP, 1992)