Diethylbenzenes

Diethylbenzenes
Surname	1,2-diethylbenzene	1,3-diethylbenzene	1,4-diethylbenzene
other names	o- diethylbenzene	m- diethylbenzene	p -diethylbenzene
Structural formula
CAS number	135-01-3	141-93-5	105-05-5
PubChem	8657	8864	7734
Molecular formula	C 10 H 14
Molar mass	134.22 g mol −1
Physical state	liquid
Melting point	−31.2 ° C	−83.9 ° C	−42.83 ° C
boiling point	184 ° C	181.1 ° C	183.7 ° C
solubility	insoluble in water
GHS labeling	Caution	Caution
H and P phrases	226	226-315-319-335
	no EUH phrases	no EUH phrases
	210-370 + 378	261-305 + 351 + 338

In chemistry, diethylbenzenes form a group of substances whose structure consists of a benzene ring with two ethyl groups  (–CH ₂ –CH ₃ ) as substituents . Their different arrangement results in three constitutional isomers with the empirical formula C ₁₀ H ₁₄ . They also belong to the group of C ₄ benzenes .

properties

The boiling points of the diethylbenzenes are almost the same. The melting points differ more clearly. However, 1,4-diethylbenzene, which has the highest symmetry, does not have the highest melting point.

Web links

Commons : Diethylbenzenes  - Collection of pictures, videos and audio files

Individual evidence

1. ↑ ^{a b c d e f} David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 90th edition. (Internet version: 2010), CRC Press / Taylor and Francis, Boca Raton, FL, Physical Constants of Organic Compounds, pp. 3-166.
2. ↑ Data sheet 1,2-Diethylbenzene from Sigma-Aldrich , accessed on May 15, 2017 ( PDF ).
3. ↑ Data sheet 1,3-Diethylbenzene from Sigma-Aldrich , accessed on May 15, 2017 ( PDF ).
4. ↑ Data sheet 1,4-Diethylbenzene from Sigma-Aldrich , accessed on May 15, 2017 ( PDF ).