C99205

Cycloheptatrien

95%

• Synonym(e): Tropiliden, Tropilidene
• Empirische Formel (Hill-System): C₇H₈
• CAS-Nummer: 544-25-2
• Molekulargewicht: 92.14
• Beilstein: 506066
• EG-Nummer: 208-866-3
• MDL-Nummer: MFCD00004146
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24893206
• NACRES: NA.22

Eigenschaften

• Assay: 95%
• Form: liquid
• Brechungsindex: n20/D 1.519 (lit.)
• bp: 116-117 °C (lit.)
• Dichte: 0.888 g/mL at 25 °C (lit.)
• Lagertemp.: 2-8°C
• SMILES String: C1C=CC=CC=C1
• InChI: 1S/C7H8/c1-2-4-6-7-5-3-1/h1-6H,7H2
• InChIKey: CHVJITGCYZJHLR-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Contains 0.02%-0.15% BHT

Anwendung

Cycloheptatriene can be used as a reactant to synthesize:      

• 2-Hydroxyazulene via [2+2] cycloaddition reaction with dichloroketene, and subsequent ring expansion reaction with diazomethane.      
• 7-Alkyl-bicyclo[4.2.1]nona-2,4,7-trienes by cobalt catalyzed [6+2] cycloaddition with terminal alkynes.     
• (3,5-Cycloheptadienyl)diphenylphosphine ligand by reacting with diphenylphosphine.

Sicherheitshinweise

• Piktogramme: GHS02,GHS06
• Signalwort: Danger
• H-Sätze: H225,H301 + H311,H315,H319,H335,H412
• P-Sätze: P210 - P273 - P280 - P301 + P310 - P303 + P361 + P353 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 1
• Flammpunkt (°F): 41.0 °F
• Flammpunkt (°C): 5 °C
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter