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931-87-3 - cis-Cyclooctene, 95%, stab. - A13477 - Alfa Aesar

A13477 cis-Cyclooctene, 95%, stab.

CAS-Nummer
931-87-3
Synonyme

Größe Preis ($) Menge Verfügbarkeit
50ml 27,19
100ml 32,96
250ml 62,62
500ml 112,27
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cis-Cyclooctene, 95%, stab.

MDL
MFCD00001753
EINECS
213-243-4

Chemische Eigenschaften

Formel
C8H14
Molmasse
110.20
Schmelzpunkt
-16°
Siedepunkt
145-146°
Flammpunkt
25°(77°F)
Dichte
0.848
Brechungsindex
1.4700
Sensitivität
Air Sensitive
Löslichkeit
Miscible with alcohol and ether. Immiscible with water.

Anwendungen

cis-Cyclooctene is used as a displaced ligand in chlorobis(cyclooctene)rhodium dimer and chlorobis(cyclooctene)iridium dimer in organometallic chemistry. It acts as a monomer used in synthetic chemistry. It is used to prepare 1-chloro-4-(trichloromethyl) cyclooctane by reaction with carbon tetrachloride using dichlorotris(triphenylphosphine) ruthenium(II) as a catalyst. Further, it is used to study the alkenes chemisorbed on silicon(100) by scanning tunneling microscopy.

Bemerkungen

Air sensitive. Incompatible with strong oxidizing agents.

Literaturverweise

For example of the addition of NOCl to an alkene and subsequent cleavage of the ɑ-chloro oxime by the abnormal Beckmann reaction to the ω-cyanoaldehyde, see: Org. Synth. Coll., 5, 266 (1973).

Addition of dibromocarbene (see Bromoform, A11904) and ring-opening by reaction with MeLi leads to the cyclic allene 1,2-cyclononadiene: Org. Synth. Coll., 5, 306 (1973).

The epoxidation of alkenes by H2O2 in methanol in the presence of acetonitrile is described for cyclooctene. The active species is the peroxyimidic acid, and the reaction is, with proper precautions, suitable for scale-up: Org. Synth. Coll., 7, 126 (1990).

Bai, L.; Yao, L.; Yang, Y.; Lee, J. M. Microspheres with Au@SiO2 core and mesoporous aluminosilica shell as superior heterogeneous catalysts for the aerobic epoxidation of cis-cyclooctene. Chem. Commun. 2015, 51 (20), 4259-4262.

Yang, J. X.; Cui, J.; Long, Y. Y.; Li, Y. G.; Li, Y. S. Synthesis of novel cyclic olefin polymers with excellent transparency and high glass-transition temperature via gradient copolymerization of bulky cyclic olefin and cis-cyclooctene. J. Polym. Sci. A Polym. Chem. 2014, 52 (22), 3240-3249.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H304-H226-H411-H401

May be fatal if swallowed and enters airways. Flammable liquid and vapour. Toxic to aquatic life with long lasting effects. Toxic to aquatic life.

Sicherheitshinweise: P210-P273-P280-P240-P241-P301+P310-P303+P361+P353-P405-P403+P235-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid release to the environment. Wear protective gloves/protective clothing/eye protection/face protection. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. Store locked up. Store in a well-ventilated place. Keep cool. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
1280166
Gefahrenklasse
3
Verpackungsgruppe
III
Harmonized Tariff Code
2902.19
TSCA
Yes

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