C109207

1,5-Cyclooctadiene

contains 50-150 ppm 4-tert-Butylcatechol, 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: 2036542
• EC Number: 203-907-1
• MDL number: MFCD00001752
• UNSPSC Code: 12352100
• PubChem Substance ID: 24892340
• NACRES: NA.22

Properties

• vapor pressure: 25.8 mmHg ( 37.7 °C); 6.8 mmHg ( 25 °C)
• Assay: 99%
• form: liquid
• autoignition temp.: 431 °F
• contains: 50-150 ppm 4-tert-Butylcatechol as stabilizer; 50-150 ppm 4-tert-Butylcatechol
• 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

• Bis(Aluminyl)Magnesium: A Source of Nucleophilic or Radical Aluminium-Centred Reactivity.: Investigates 1,5-Cyclooctadiene′s ability to stabilize reactive intermediates in metal complexes, which is crucial for developing new pharmaceutical agents and enhancing ligand efficiency in transition metal catalysis (Griffin et al., 2024).

Safety Information

• Pictograms: GHS02,GHS08,GHS07,GHS09
• Signal Word: Danger
• Hazard Statements: H226,H302 + H332,H304,H410
• Precautionary Statements: 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 Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 100.4 °F - closed cup
• Flash Point(C): 38 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves