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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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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