octadecyne

Modify Date: 2025-08-25 17:05:14

octadecyne Structure
octadecyne structure
 Common Name octadecyne
CAS Number 629-89-0 Molecular Weight 250.463
Density 0.8±0.1 g/cm3 Boiling Point 313.5±5.0 °C at 760 mmHg
Molecular Formula C18H34 Melting Point 22,5°C
MSDS N/A Flash Point 148.5±2.0 °C

 Names

Name 1-octadecyne
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.8±0.1 g/cm3
Boiling Point 313.5±5.0 °C at 760 mmHg
Melting Point 22,5°C
Molecular Formula C18H34
Molecular Weight 250.463
Flash Point 148.5±2.0 °C
Exact Mass 250.266052
LogP 8.97
Vapour Pressure 0.0±0.3 mmHg at 25°C
Index of Refraction 1.451
InChIKey IYDNQWWOZQLMRH-UHFFFAOYSA-N
SMILES C#CCCCCCCCCCCCCCCCC

 Safety Information

Risk Phrases 36/37/38
Safety Phrases S26-S36/37/39

 Synthetic Route

sodium acetylide structure

sodium acetylide

CAS#:1066-26-8

1-Bromohexadecane structure

1-Bromohexadecane

CAS#:112-82-3

~97%

octadecyne Structure

octadecyne

CAS#:629-89-0

Literature: Khan, Ashna A.; Kamena, Faustin; Timmer, Mattie S.M.; Stocker, Bridget L. Organic and Biomolecular Chemistry, 2013 , vol. 11, # 6 p. 881 - 885
1-Bromohexadecane structure

1-Bromohexadecane

CAS#:112-82-3

Acetylene structure

Acetylene

CAS#:74-86-2

~78%

octadecyne Structure

octadecyne

CAS#:629-89-0

Literature: Dikusar, E. A.; Koval'skaya, S. S.; Vashkevich, E. V.; Kozlov, N. G.; Potkin, V. I.; Moiseichuk, K. L. Russian Journal of General Chemistry, 1999 , vol. 69, # 11 p. 1732 - 1735 Zhurnal Obshchei Khimii, 1999 , vol. 69, # 11 p. 1809 - 1812
1,2-dibromo-octadecane structure

1,2-dibromo-oct...

CAS#:26038-78-8

~%

octadecyne Structure

octadecyne

CAS#:629-89-0

Literature: Helvetica Chimica Acta, , vol. 20, p. 1181
1-Bromohexadecane structure

1-Bromohexadecane

CAS#:112-82-3

~%

octadecyne Structure

octadecyne

CAS#:629-89-0

Literature: Journal of Polymer Science, Part A: Polymer Chemistry, , vol. 48, # 10 p. 2187 - 2193
Hexadecane, 1-iodo structure

Hexadecane, 1-iodo

CAS#:544-77-4

sodium acetylide structure

sodium acetylide

CAS#:1066-26-8

~%

octadecyne Structure

octadecyne

CAS#:629-89-0

Literature: Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, , vol. 169, p. 32

 Synonyms

n-octadecyne
MFCD00015088
octadec-1-in
1-Octadecyne
CETYLACETYLENE
octadecyne
Hexadecylacetylene
octadecan-1-yne
EINECS 211-114-7
N-HEXADECYLACETYLENE
octadec-1-yne
Hexadecylacetylen
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