8.20918

2,5-Norbornadiene

(stabilised) for synthesis

• Synonym(s): 2,5-Norbornadiene, Bicyclo[2.2.1]hepta-2,5-diene
• Empirical Formula (Hill Notation): C₇H₈
• CAS Number: 121-46-0
• Molecular Weight: 92.14
• MDL number: MFCD00082301
• UNSPSC Code: 12352002
• EC Index Number: 204-472-0
• NACRES: NA.22

Properties

• vapor pressure: 69 hPa ( 20 °C)
• Quality Level: 200
• assay: ≥97.0% (GC)
• form: liquid
• autoignition temp.: 350 °C
• expl. lim.: 1.6-6.3 % (v/v)
• mp: -20 °C
• transition temp: flash point -11 °C
• density: 0.906 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C7H8/c1-2-7-4-3-6(1)5-7/h1-4,6-7H,5H2
• InChI key: SJYNFBVQFBRSIB-UHFFFAOYSA-N

Description

Application

• Radical Polymerization: Study on the radical polymerization of 2,5-norbornadienes containing ester groups, examining the unique polymerization behaviors due to their rigid multicyclic structure (M Shiotsuki et al., 2014).
• Sequential Double C–H Functionalization: Application of 2,5-norbornadiene in flow reactors for efficient sequential double C–H functionalization, demonstrating advanced synthesis techniques (H Kim et al., 2018).
• Addition Copolymerization: Research on the addition copolymerization of silicon-containing tricyclononene with 2,5-norbornadiene dimer, exploring new materials for potential industrial applications (DA Alentiev et al., 2019).
• Ro-vibrational Spectroscopy: Investigation of the ro-vibrational spectrum of 2,5-norbornadiene, enhancing understanding of its molecular vibrations and potential applications in materials science (RL Sams, TA Blake, 2020).
• Hydroformylation in Biphasic Systems: Study on the hydroformylation of 2,5-norbornadiene in organic/aqueous two-phase systems, highlighting the role of cationic surfactants in enhancing reaction efficiency (X Yang et al., 2016).

Analysis Note

Assay (GC, area%): ≥ 97.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.905 - 0.907
Identity (IR): passes test

Safety Information

• pictograms: GHS02
• signalword: Danger
• hcodes: H225
• pcodes: P210 - P233 - P240 - P241 - P242 - P243
• Hazard Classifications: Flam. Liq. 2
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 2
• flash_point_f: 12.2 °F
• flash_point_c: -11 °C