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8.20918

Sigma-Aldrich

2,5-Norbornadiene

(stabilised) for synthesis

Synonym(s):

2,5-Norbornadiene, Bicyclo[2.2.1]hepta-2,5-diene

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About This Item

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

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

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

Pictograms

Flame
GHS02

Signal Word

Danger

Hazard Statements

H225

Hazard Classifications

Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

12.2 °F

Flash Point(C)

-11 °C

Certificates of Analysis (COA)

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