Chemical Property of 1-Methylnaphthalene
Chemical Property:
- Appearance/Colour:Colorless liquid
- Melting Point:-22 °C
- Refractive Index:n20/D 1.615(lit.)
- Boiling Point:242.8 °C at 760 mmHg
- Flash Point:82.2 °C
- PSA：0.00000
- Density:1.016 g/cm3
- LogP:3.14820
- Water Solubility.:0.026 g/L (25℃)
- XLogP3:3.9
- Hydrogen Bond Donor Count:0
- Hydrogen Bond Acceptor Count:0
- Rotatable Bond Count:0
- Exact Mass:142.078250319
- Heavy Atom Count:11
- Complexity:128
- Transport DOT Label:Class 9
- Purity/Quality:
-
99% *data from raw suppliers
Safty Information:
- Pictogram(s):
Xn,
N,
T
- Hazard Codes:
Xn:Harmful;
- Statements:
R22:;
R51/53:;
- Safety Statements:
S61:;
- MSDS Files:
-
SDS file from LookChem
Total 1 MSDS from other Authors
Useful:
- Chemical Classes:Other Classes -> Naphthalenes
- Canonical SMILES:CC1=CC=CC2=CC=CC=C12
- Inhalation Risk:No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20 °C.
- Effects of Short Term Exposure:The substance is irritating to the eyes.
- Effects of Long Term Exposure:Repeated or prolonged inhalation may cause effects on the lungs.
-
General Description
1-Methylnaphthalene is a derivative of naphthalene with a methyl group substituted at the 1-position. It can be synthesized through retro-Diels-Alder reactions or generated via radiolytic cleavage of 1,2-di(1-naphthyl)ethane, forming naphthylmethyl carbanionic intermediates that yield 1-methylnaphthalene upon hydrolysis. Additionally, its radical cation exhibits distinct vibronic absorption spectra in solid argon, with substituent effects influencing transition energies and vibronic intervals.
