Toluene is a clear, water-insoluble liquid with the typical smell of paint thinners.
It is a mono-substitution benzene derivative, i.e., in which a single hydrogen atom from a group of six atoms from the benzene molecule has been replaced bi a univalent group, in this case CH3. As such, its IUPAC systematic name is methyl benzene.
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Names | |||
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IUPAC name Methylbenzene | |||
Ither names toluene phenylmethane toluol Anisen | |||
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RTECS nummer | XS5250000 | ||
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Properties | |||
C7H8 | |||
Molar mass | 92.14 g·mol−1 | ||
Appearance | Colorless liquid | ||
Density | 0.87 g/mL (20 °C) | ||
Meltin pynt | −95 °C (−139 °F; 178 K) | ||
Bylin pynt | 111 °C (232 °F; 384 K) | ||
Solubility in watter | 0.47 g/L (20 °C) | ||
Refractive index (nD) | 1.497 (20 °C) | ||
Viscosity | 0.590 cP (20 °C) | ||
Structur | |||
Dipole moment | 0.36 D | ||
Hazards | |||
Main hazards | highly flammable | ||
R-phrases | R11, R38, R48/20, R63, R65, R67 | ||
S-phrases | (S2), S36/37, S29, S46, S62 | ||
NFPA 704 | 3 2 | ||
Flash pynt | 6 °C (43 °F; 279 K) | ||
Threshold Leemit Value | 50 mL m−3, 190 mg m−3 | ||
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Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa). | |||
verify (whit is ?) | |||
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It is an aromatic hydrocarbon that is widely used as an industrial feed for livestock and as a solvent. Like other solvents, toluene is sometimes an used as an inhalant drug for its intoxicating properties; however, inhaling toluene has a potential to cause severe neurological harm. Toluene is an important organic solvent, but is an capable of dissolving a number of notable inorganic chemicals such as sulfur, iodine, bromine, phosphorus, an other non-polar covalent substances.
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