88-72-2
Product Name:
2-Nitrotoluene
Formula:
C7H7NO2
Synonyms:
1-Methyl-2-nitrobenzene;2-Nitrotoluene;o-Nitrotoluene
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | O-nitrotoluene is a light yellow oily liquid with a characteristic odor of aromatic nitro compounds. Sinks in water. Derived from toluene by nitration and separation by fractional distillation. Flash point 223 °F. |
|---|---|
| Color/Form | Yellowish liquid at ordinary temperature |
| Odor | Weak, aromatic odor |
| Boiling Point | 431.1 °F at 760 mmHg (NTP, 1992) |
| Melting Point | 14.9 °F (NTP, 1992) |
| Flash Point | 223 °F (NTP, 1992) |
| Solubility | less than 1 mg/mL at 70 °F (NTP, 1992) |
| Density | 1.1622 at 66.2 °F (USCG, 1999) - Denser than water; will sink |
| Vapor Density | 4.72 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 0.1 mmHg at 68 °F ; 0.25 mmHg at 86 °F; 1.6 mmHg at 140 °F (NTP, 1992) |
| LogP | log Kow = 2.30 |
| Henry's Law Constant | Henry's Law constant = 1.25X10-5 atm-cu m/mole at 25 °C |
| Stability/Shelf Life | /Heat contributes/ ... to instability. /Nitrotoluene/ |
| Autoignition Temperature | 581 °F (NTP, 1992) |
| Decomposition | The substance decomposes ... /to/ form nitrogen oxides, carbon monoxide. |
| Viscosity | 2.7 mPa (= cP) |
| Heat of Combustion | -11,290 Btu/lb = -6,272 cal/g = -262 x 10+5 J/kg |
| Heat of Vaporization | 12,239.1 gcal/gmole |
| Surface Tension | In dynes/cm: 42.29, 41.76, and 40.50 at 15, 19.5, 20, and 30 °C, respectively |
| Ionization Potential | 9.43 eV |
| Odor Threshold | Odor Threshold Low: 0.05 [mmHg] Odor threshold from "Quick Guide: The Electronic NIOSH Pocket Guide to Chemical Hazards" |
| Refractive Index | Index of refraction: 1.5472 at 20 °C/D |
| Kovats Retention Index | 1155 1153.4 |
| Other Experimental Properties | Volatile with steam |
| Chemical Classes | Nitrogen Compounds -> Nitros, Aromatic |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H340:Germ cell mutagenicity H350:Carcinogenicity H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P273:Avoid release to the environment. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 137.14 g/mol |
|---|---|
| XLogP3 | 2.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 137.047678466 g/mol |
| Monoisotopic Mass | 137.047678466 g/mol |
| Topological Polar Surface Area | 45.8 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 130 |
| 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
O-nitrotoluene is a light yellow oily liquid with a characteristic odor of aromatic nitro compounds. Sinks in water. Derived from toluene by nitration and separation by fractional distillation. Flash point 223 °F.
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