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Bicyclo[5.1.0]octa-2,4-diene, also known as norbornene, is a cyclic olefin with the molecular formula C7H10. It is a colorless liquid with a strong, pungent odor and is an important intermediate in the production of various chemicals, including polymers and resins. The bicyclic structure of norbornene consists of a six-membered ring fused to a three-membered ring, with a double bond between the two carbons of the three-membered ring. This unique structure makes norbornene highly reactive and valuable in organic synthesis, particularly in Diels-Alder reactions, which are used to form six-membered rings. Norbornene is also used as a monomer in the production of norbornene-based polymers, which have applications in coatings, adhesives, and elastomers.

3725-38-0

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3725-38-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3725-38-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,2 and 5 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 3725-38:
(6*3)+(5*7)+(4*2)+(3*5)+(2*3)+(1*8)=90
90 % 10 = 0
So 3725-38-0 is a valid CAS Registry Number.

3725-38-0SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name Bicyclo(5.1.0)octa-2,4-diene

1.2 Other means of identification

Product number -
Other names Bicyclo-(5,1,0)-octa-2,4-dien (1,2-Homo-tropyliden)

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:3725-38-0 SDS

3725-38-0Relevant academic research and scientific papers

SYNTHESIS OF CYCLOHEPTA-1,3,5-TRIENES BY THE REACTION OF AROMATIC HYDROCARBONS WITH DIAZO COMPOUNDS IN THE PRESENCE OF TRANSITION METAL COMPLEXES

Dzhemilev, U. M.,Dokichev, V. A.,Sultanov, S. Z.,Sadykov, R. A.,Tolstikov, G. A.,Nefedov, O. M.

, p. 945 - 950 (1991)

A preparative method has been developed for the synthesis of cyclohepta-1,3,5-trienes, using a reaction of aromatic hydrocarbons with diazomethane, methyldiazoacetate, adamantanoyldiazomethane, and 1-diazo-3-phenylpropan-2-one, with rhodium trifluoroacetate as catalyst.The order of activity and the relative reactivity coefficients of substituted benzenes have been determined, and the link between these characteristics and the energy of the highest occupied molecular orbital of the aromatic ring has been established.In catalyzed reactions of benzenes with diazomethaneor methyldiazoacetate, leading to cycloheptatrienes, effects of chemical polarization of the ring have not been observed.

Rearrangement of Radicals derived from Bicycloocta-2,4-diene, Tricyclo2,4>nona-6-ene and Tetracyclo2,4.05,7>decane

Culshaw, Peter N.,Dalton, Michael,MacCorquodale, Finlay,Walton, John C.

, p. 531 - 536 (2007/10/02)

ESR spectra from bicyclooctadienyl and tricyclo2,4>nona-6-enyl radicals, and from the rearrangement of tetracyclo2,4.05,7>decanyl radicals have been observed.The rate of ring opening increases in the

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