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Merck

B33803

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
UNSPSC Code:
12352300
NACRES:
NA.23
PubChem Substance ID:
24891712
MDL number:
MFCD00082301
Beilstein/REAXYS Number:
506224

Key Documents

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Product Name

Bicyclo[2.2.1]hepta-2,5-diene, 98%

InChI key

SJYNFBVQFBRSIB-KNVOCYPGSA-N

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+

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.)

Quality Level

200

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1 of 4

This Item
8.20918405736249939
Bicyclo[2.2.1]hepta-2,5-diene 98%

Sigma-Aldrich

B33803

Bicyclo[2.2.1]hepta-2,5-diene

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

Bicyclo[2.2.1]hepta-2,5-diene-rhodium(I) chloride dimer 96%

Sigma-Aldrich

249939

Bicyclo[2.2.1]hepta-2,5-diene-rhodium(I) chloride dimer

assay

98%

assay

≥97.0% (GC)

assay

95%

assay

96%

form

liquid

form

liquid

form

-

form

powder

contains

0.05-0.25% BHT as inhibitor

contains

-

contains

-

contains

-

refractive index

n20/D 1.470 (lit.)

refractive index

-

refractive index

n20/D 1.495 (lit.)

refractive index

-

bp

89 °C (lit.)

bp

-

bp

81-82 °C/10 mmHg (lit.)

bp

-

density

0.906 g/mL at 25 °C (lit.)

density

0.906 g/cm3 at 20 °C

density

1.067 g/mL at 20 °C (lit.)

density

-

Application

Intermediate in prostaglandin synthesis.[1]

Features and Benefits

Intermediate in prostaglandin synthesis.

pictograms

Flame
GHS02

signalword

Danger

hcodes

H225,H412

Hazard Classifications

Aquatic Chronic 3 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

-5.8 °F - closed cup

flash_point_c

-21 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
SHBS4112
SHBQ8972
SHBQ2191
SHBQ6191
SHBP3930

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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
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
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
Zhiru Ma et al.
Magnetic resonance in chemistry : MRC, 45(5), 393-400 (2007-03-31)
This paper presents novel measurements and calculations of the olefinic (13)C chemical shift tensor principal values in several metal diene complexes. The experimental values and the calculations show shifts as large as 70 ppm with respect to the values in
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
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