3-heptine

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Structural formula
Structural formula of 3-heptyne
General
Surname 3-heptine
other names
  • Hept-3-in
  • 1-ethyl-2-propylacetylene
Molecular formula C 7 H 12
Brief description

colorless liquid

External identifiers / databases
CAS number 2586-89-2
EC number 219-967-7
ECHA InfoCard 100.018.153
PubChem 75755
Wikidata Q30098653
properties
Molar mass 96.17 g mol −1
Physical state

liquid

density

0.741 g cm −3

Melting point

−130.5 ° C

boiling point

105-106 ° C

solubility
  • practically insoluble in water
  • miscible with ethanol
  • soluble in benzene and chloroform
Refractive index

1.4225 (20 ° C)

safety instructions
GHS labeling of hazardous substances
02 - Highly / extremely flammable 07 - Warning

danger

H and P phrases H: 225-315-319-335
P: 210-261-303 + 361 + 353-305 + 351 + 338-405-501
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-heptyne is a chemical compound from the alkynes group .

Extraction and presentation

3-Heptin can be obtained by reacting 1-Hepten-3-yne with hydrogen , whereby a number of other compounds are formed.

properties

3-heptin is a colorless liquid that is practically insoluble in water.

Individual evidence

  1. ↑ a b c d e f g h Data sheet 3-Heptine, 97% at AlfaAesar, accessed on May 31, 2017 ( PDF )(JavaScript required) .
  2. ↑ a b c d e William M. Haynes: CRC Handbook of Chemistry and Physics, 97th Edition . CRC Press, 2016, ISBN 978-1-4987-5429-3 , pp. 292 ( limited preview in Google Book search).
  3. ^ Gerard Smith: Catalysis in Organic syntheses 1977 . Elsevier, 2012, ISBN 978-0-323-15674-5 , pp. 7 ( limited preview in Google Book search).