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B33803

Sigma-Aldrich

Bicyclo[2.2.1]hepta-2,5-diene

98%

Synonym(s):

2,5-Norbornadiene, NBD

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About This Item

Empirical Formula (Hill Notation):
C7H8
CAS Number:
121-46-0
Molecular Weight:
92.14
Beilstein:
506224
MDL number:
MFCD00082301
UNSPSC Code:
12352300
PubChem Substance ID:
24891712
NACRES:
NA.23

Quality Level

200

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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Related Categories

Application

Intermediate in prostaglandin synthesis.

Features and Benefits

Intermediate in prostaglandin synthesis.

Pictograms

Flame
GHS02

Signal Word

Danger

Hazard Statements

H225,H412

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

Certificates of Analysis (COA)

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H Mergemann et al.
Plant physiology, 124(2), 609-614 (2000-10-12)
In deepwater rice (Oryza sativa), adventitious root primordia initiate at the nodes as part of normal development. Emergence of the roots is dependent on flooding of the plant and is mediated by ethylene action. Root growth was preceded by the
S C Gelskey et al.
Dental materials : official publication of the Academy of Dental Materials, 14(6), 453-457 (1999-09-14)
The Neodymium:yttrium aluminum garnet (Nd:YAG) dental laser has been cleared by the United States Food and Drug Administration (FDA) for marketing in intraoral soft tissue treatment. The efficacy and safety of the Nd:YAG laser in the treatment of hard dental
Margaret J Holden et al.
Journal of plant physiology, 160(3), 261-269 (2003-05-17)
In Petunia inflata, a species with gametophytic self-incompatibility, pollination triggers two phases of ethylene production by the pistil, the first of which peaks 3 hours after pollination with compatible or incompatible pollen. To investigate the physiological significance of the first
M C Whalen et al.
Canadian journal of botany. Journal canadien de botanique, 66(4), 719-723 (1988-04-01)
The control of primary root growth in Zea mays cv. Merit by ethylene was examined. At applied concentrations of ethylene equal to or greater than 0.1 microliter L-1, root elongation during 24 h was inhibited. The half-maximal response occurred at
Francesco Babudri et al.
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 6(4), 361-364 (2007-04-04)
A conjugated alternating copolymer containing norbornadiene and bis(ethynylene)phenylene units was prepared by the Cassar-Heck-Sonogashira cross-coupling reaction. Its electroluminescence was tested in a device, and its fluorescence colour could be tuned by light-induced norbornadiene-quadricyclane isomerization.
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