1-METHYLPHENANTHRENE
- CAS NO.:832-69-9
- Empirical Formula: C15H12
- Molecular Weight: 192.26
- MDL number: MFCD00058942
- EINECS: 212-622-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-05-04 15:12:45
What is 1-METHYLPHENANTHRENE?
The Uses of 1-METHYLPHENANTHRENE
1-Methylphenanthrene is a polycyclic aromatic hydrocarbon that has been found in particulate matter from small-scale biomass combustion from old and modern technologies and that has caused acute systemic and lung inflammation in mice after intratracheal aspiration.
Definition
ChEBI: A member of the class of phenanthrenes that is phenanthrene substituted by a methyl group at position 1.
Synthesis Reference(s)
The Journal of Organic Chemistry, 45, p. 2009, 1980 DOI: 10.1021/jo01298a054
Tetrahedron Letters, 6, p. 359, 1965
General Description
White crystalline powder.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
Vigorous reactions, sometimes amounting to explosions, can result from the contact between aromatic hydrocarbons, such as 1-METHYLPHENANTHRENE, and strong oxidizing agents. They can react exothermically with bases and with diazo compounds. Substitution at the benzene nucleus occurs by halogenation (acid catalyst), nitration, sulfonation, and the Friedel-Crafts reaction. 1-METHYLPHENANTHRENE is sensitive to excessive heat and light.
Fire Hazard
Flash point data for 1-METHYLPHENANTHRENE are not available. 1-METHYLPHENANTHRENE is probably combustible.
Source
Detected in 8 diesel fuels at concentrations ranging from 0.10 to 210 mg/L with a mean
value of 44.33 mg/L (Westerholm and Li, 1994). Identified in a South Louisiana crude oil at a
concentration of 111 ppm (Pancirov and Brown, 1975). Schauer et al. (1999) reported 1-
methylphenanthrene in diesel fuel at a concentration of 28 μg/g and in a diesel-powered mediumduty
truck exhaust at an emission rate of 17.0 μg/km.
California Phase II reformulated gasoline contained 1-methylphenathrene at a concentration of
3.91 g/kg. Gas-phase tailpipe emission rates from gasoline-powered automobiles with and without
catalytic converters were approximately 1.63 and 122 μg/km, respectively (Schauer et al., 2002).
Schauer et al. (2001) measured organic compound emission rates for volatile organic
compounds, gas-phase semi-volatile organic compounds, and particle-phase organic compounds
from the residential (fireplace) combustion of pine, oak, and eucalyptus. The respective gas-phase
and particle-phase emission rates of 1-methylphenanthrene were 2.22 and 0.579 mg/kg of pine
burned and 1.04 and 0.050 mg/kg of oak burned. The gas-phase emission rate was 0.720 mg/kg of
eucalyptus burned.
Properties of 1-METHYLPHENANTHRENE
Melting point: | 123°C |
Boiling point: | 353.25°C (rough estimate) |
Density | 1.0561 (estimate) |
refractive index | 1.6031 (estimate) |
storage temp. | Room Temperature |
solubility | Soluble in alcohol (Weast, 1986) |
form | Solid |
color | White powder or solid. |
Water Solubility | 269ug/L(25 ºC) |
Henry's Law Constant | 1.56, 2.33, 3.42, 4.93, and 6.68 x 10-5 atm?m3/mol at 4.1, 11.0, 18.0, 25.0, and 31.0 °C, respectively (Bamford et al.,
1998) |
IARC | 3 (Vol. Sup 7, 92) 2010 |
EPA Substance Registry System | 1-Methylphenanthrene (832-69-9) |
Safety information for 1-METHYLPHENANTHRENE
Computed Descriptors for 1-METHYLPHENANTHRENE
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