1-heptine

Structural formula
General
Surname	1-heptine
other names	Hept-1-in n -pentylethine n -pentyl acetylene
Molecular formula	C 7 H 12
External identifiers / databases
CAS number 628-71-7 EC number 211-051-5 ECHA InfoCard 100.010.047 PubChem 12350 Wikidata Q2173541
properties
Molar mass	96.17 g mol −1
Physical state	liquid
density	0.7328 g cm −3 (20 ° C)
Melting point	−81 ° C
boiling point	100 ° C
Vapor pressure	253 hPa (57 ° C)
Refractive index	1.4087 (20 ° C)
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 225-304 P: 210-243-301 + 330 + 331-315-403 + 233
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

1-heptine is a chemical compound from the group of alkynes (one of the heptines ). It has the basic structure of heptane with a C≡C triple bond at the 1 position.

Web links

• Entry for 1-heptyne . 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 .

Individual evidence

1. ↑ ^{a b c d} 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. 3-276.
2. ↑ ^{a b c} Entry on 1-heptyne in the GESTIS substance database of the IFA , accessed on October 23, 2018(JavaScript required) .