CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Chrome-red thick prismatic crystals or orange-yellow needles (recrystallized from pyridine or xylene). (NTP, 1992) |
|---|---|
| Color/Form | Yellow needles from benzene |
| Boiling Point | Sublimes without decomposition (NTP, 1992) |
| Melting Point | 408 °F (NTP, 1992) |
| Solubility | Slightly soluble in cold ethanol, diethyl ether and carbon disulfide; somewhat more soluble in benzene and acetic acid; soluble in hot nitrobenzene |
| Vapor Pressure | 0.00000001 [mmHg] |
| Decomposition | When heated to decomposition it emits toxic fumes of /nitrogen oxides/. |
| Kovats Retention Index | 463.6 464.5 |
| Chemical Classes | Other Classes -> Polycyclic Aromatic Hydrocarbons |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H340:Germ cell mutagenicity H350:Carcinogenicity |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 273.3 g/mol |
|---|---|
| XLogP3 | 5.5 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 273.078978594 g/mol |
| Monoisotopic Mass | 273.078978594 g/mol |
| Topological Polar Surface Area | 45.8 Ų |
| Heavy Atom Count | 21 |
| Formal Charge | 0 |
| Complexity | 405 |
| 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
Chrome-red thick prismatic crystals or orange-yellow needles (recrystallized from pyridine or xylene). (NTP, 1992)