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B33803

Sigma-Aldrich

Bicyclo[2.2.1]hepta-2,5-diene

98%

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Synonym(s):
2,5-Norbornadiene, NBD
Empirical Formula (Hill Notation):
C7H8
CAS Number:
Molecular Weight:
92.14
Beilstein:
506224
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

Assay

98%

form

liquid

contains

0.05-0.25% BHT as inhibitor

refractive index

n20/D 1.470 (lit.)

bp

89 °C (lit.)

density

0.906 g/mL at 25 °C (lit.)

SMILES string

C1[C@H]2C=C[C@@H]1C=C2

InChI

1S/C7H8/c1-2-7-4-3-6(1)5-7/h1-4,6-7H,5H2/t6-,7+

InChI key

SJYNFBVQFBRSIB-KNVOCYPGSA-N

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1 of 4

This Item
8.20918717274405736
2,5-Norbornadiene (stabilised) for synthesis

Sigma-Aldrich

8.20918

2,5-Norbornadiene

3-Mercapto-1-propanol 95%

Sigma-Aldrich

405736

3-Mercapto-1-propanol

form

liquid

form

liquid

form

solid

form

-

contains

0.05-0.25% BHT as inhibitor

contains

-

contains

-

contains

-

refractive index

n20/D 1.470 (lit.)

refractive index

-

refractive index

-

refractive index

n20/D 1.495 (lit.)

bp

89 °C (lit.)

bp

-

bp

-

bp

81-82 °C/10 mmHg (lit.)

density

0.906 g/mL at 25 °C (lit.)

density

0.906 g/cm3 at 20 °C

density

-

density

1.067 g/mL at 20 °C (lit.)

Application

Intermediate in prostaglandin synthesis.

Features and Benefits

Intermediate in prostaglandin synthesis.

Pictograms

Flame

Signal Word

Danger

Hazard Statements

Hazard Classifications

Aquatic Chronic 3 - Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

-5.8 °F - closed cup

Flash Point(C)

-21 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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1 of 1

Yusuke Kamiyoshihara et al.
Plant physiology, 160(1), 488-497 (2012-07-17)
Perception of the plant hormone ethylene is essential to initiate and advance ripening of climacteric fruits. Since ethylene receptors negatively regulate signaling, the suppression is canceled upon ethylene binding, permitting responses including fruit ripening. Although receptors have autophosphorylation activity, the
Tanner J Kettles et al.
The Journal of organic chemistry, 76(16), 6951-6957 (2011-07-08)
Ruthenium-catalyzed homo Diels-Alder [2 + 2 + 2] cycloadditions between alkynyl phosphonates and bicyclo[2.2.1]hepta-2,5-diene were studied. The observed reactivity was found to be dependent on the presence of the phosphonate moiety. The Ru-catalyzed cycloaddition was compatible with a variety of
Bianka Steffens et al.
Planta, 223(3), 604-612 (2005-09-15)
Growth of adventitious roots is induced in deepwater rice (Oryza sativa L.) when plants become submerged. Ethylene which accumulates in flooded plant parts is responsible for root growth induction. Gibberellin (GA) is ineffective on its own but acts in a
M Victoria Jiménez et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 17(29), 8115-8128 (2011-06-03)
The treatment of [{Rh(μ-SH){P(OPh)(3)}(2)}(2)] with [{M(μ-Cl)(diolef)}(2)] (diolef=diolefin) in the presence of NEt(3) affords the hydrido-sulfido clusters [Rh(3)(μ-H)(μ(3)-S)(2)(diolef){P(OPh)(3)}(4)] (diolef=1,5-cyclooctadiene (cod) for 1, 2,5-norbornadiene (nbd) for 2, and tetrafluorobenzo[5,6]bicyclo[2.2.2]octa-2,5,7-triene (tfb) for 3) and [Rh(2)Ir(μ-H)(μ(3)-S)(2)(cod){P(OPh)(3)}(4)] (4). Cluster 1 can be also obtained by
Paulo M Nunes et al.
The journal of physical chemistry. A, 113(23), 6524-6530 (2009-05-20)
The energetics of tert-butoxyl radical addition reaction to norbornadiene was investigated by time-resolved photoacoustic calorimetry (TR-PAC). The result, together with the C-O bond dissociation enthalpy (BDE) in the addition product, allowed us to calculate the pi-bond dissociation enthalpy in norbornadiene.

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