246050

1,5-Cyclooctadiene

purified by redistillation, ≥99%

• Synonym(s): 1,5-COD, cis-1,5-Cyclooctadiene, COD
• Empirical Formula (Hill Notation): C₈H₁₂
• CAS Number: 111-78-4
• Molecular Weight: 108.18
• Beilstein/REAXYS Number: 2036542
• EC Number: 203-907-1
• MDL number: MFCD00001752
• UNSPSC Code: 12352100
• PubChem Substance ID: 24854773
• NACRES: NA.22

Properties

• vapor pressure: 25.8 mmHg ( 37.7 °C); 6.8 mmHg ( 25 °C)
• Quality Level: 100
• assay: ≥99%
• form: liquid
• autoignition temp.: 431 °F
• purified by: redistillation
• does not contain: stabilizer
• refractive index: n20/D 1.493 (lit.)
• bp: 149-150 °C (lit.)
• mp: −69 °C (lit.)
• density: 0.882 g/mL at 25 °C (lit.)
• SMILES string: C1CC=CCCC=C1
• InChI: 1S/C8H12/c1-2-4-6-8-7-5-3-1/h1-2,7-8H,3-6H2/b2-1-,8-7-
• InChI key: VYXHVRARDIDEHS-QGTKBVGQSA-N

Description

Application

1,5-Cyclooctadiene was used as a catalyst in the synthesis of aminoindene derivatives by the [3+2] annulation of ketimines with internal and terminal alkynes.

Safety Information

• pictograms: GHS02,GHS08,GHS07,GHS09
• signalword: Danger
• hcodes: H226,H302 + H332,H304,H410
• pcodes: P210 - P233 - P273 - P301 + P310 - P304 + P340 + P312 - P331
• Hazard Classifications: Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Flam. Liq. 3
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: 100.4 °F - closed cup
• flash_point_c: 38 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter