3-hexyne

Structural formula
General
Surname	3-hexyne
other names	Hex-3-in; Diethylethine; Diethylacetylene;
Molecular formula	C 6 H 10
Brief description	colorless liquid
External identifiers / databases
EC number	213-173-4
ECHA InfoCard	100,011,977
PubChem	13568
Wikidata	Q223080
properties
Molar mass	82.14 g mol −1
Physical state	liquid
density	0.7231 g cm −3 (20 ° C)
Melting point	−103 ° C
boiling point	81 ° C
Refractive index	1.4115 (20 ° C)
safety instructions
H and P phrases	H: 225-304-315-319-335
	P: 210-261-301 + 310-305 + 351 + 338-331
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

3-Hexyne is a chemical compound from the alkynes group and a constitutional isomer to 1-hexyne and 2-hexyne . It has the basic structure of hexane with a CC triple bond at the 3-position.

3-Hexyne ( diethylethyne ) belongs to the symmetrical alkynes with 5-decyne ( dibutylethyne ), 4-octyne ( dipropylethyne ) and 2-butyne ( dimethylethyne ).

Extraction and presentation

3-Hexyne can be obtained by reacting sodium butynide with bromoethane .

properties

3-Hexyne is a colorless compound that is liquid at room temperature and boils at 81 ° C.

Individual evidence

↑ ^a ^b ^c data sheet 3-Hexyne from Sigma-Aldrich , accessed on April 2, 2017 ( PDF ).
↑ ^a ^b ^c ^d ^e 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. 3-284.
↑ William H. Brown, Christopher S. Foote, Brent L. Iverson, Eric V. Anslyn, Bruce M. Novak: Organic Chemistry . 2011, ISBN 978-0-8400-5498-2 ( page 270 in Google book search).

Web links

Entry for 3-hexyne . In: P. J. Linstrom, W. G. Mallard (Eds.): NIST Chemistry WebBook, NIST Standard Reference Database Number 69 . National Institute of Standards and Technology , Gaithersburg MD .

[Aldrich-1] ta sheet 3-Hexyne from Sigma-Aldrich , accessed on April 2, 2017 ( PDF ).

[CRC90_3_284-2] 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. 3-284.

[orgch-3] William H. Brown, Christopher S. Foote, Brent L. Iverson, Eric V. Anslyn, Bruce M. Novak: Organic Chemistry . 2011, ISBN 978-0-8400-5498-2 ( page 270 in Google book search).