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5-Diazo-1,3-cyclopentadiene-1,2,3,4-tetracarbonitrile is a complex organic compound with the chemical formula C7N8. It is a derivative of cyclopentadiene, a cyclic hydrocarbon, with four carbonitrile groups (-CN) and a diazo group (-N2) attached to its structure. This molecule is characterized by its highly reactive nature due to the presence of the diazo and carbonitrile groups, which can participate in various chemical reactions, such as cycloadditions and insertion reactions. The compound is of interest in organic synthesis and has potential applications in the preparation of other nitrogen-containing compounds. However, due to its instability and reactivity, it requires careful handling and storage to prevent decomposition or hazardous reactions.

3777-90-0

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3777-90-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3777-90-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,7 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 3777-90:
(6*3)+(5*7)+(4*7)+(3*7)+(2*9)+(1*0)=120
120 % 10 = 0
So 3777-90-0 is a valid CAS Registry Number.

3777-90-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-diazocyclopenta-1,3-diene-1,2,3,4-tetracarbonitrile

1.2 Other means of identification

Product number -
Other names 5-Diazo-1,3-cyclopentadiene-1,2,3,4-tetracarbonitrile

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 -
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More Details:3777-90-0 SDS

3777-90-0Upstream product

3777-90-0Downstream Products

3777-90-0Relevant academic research and scientific papers

Reactivity of Carbenes and Related Compounds towards Molecular Nitrogen

Grieve, Duncan M. A.,Lewis, Graham E.,Ravenscroft, Michael D.,Skrabal, Peter,Sonoda, Takaaki,et al.

, p. 1427 - 1443 (2007/10/02)

The thermal N2 exchange of a number of 15N-labelled diazo compounds was studied in solution.The compounds involved were 3-diazo-1-methylindolin-2-one (1), 9-diazafluorene (2), 5-diazo-1,3-cyclopentadiene-1,2,3,4-tetracarbonitrile (3), 2-diazo-2H-imidazole-4,5-dicarbonitrile (4), 4-diazocyclohexa-2,5-dienone (5), and the conjugate acids of 4 and 5, namely 4,5-dicyano-1H-imidazole-2-diazonium ion (6) and 4-hydroxybenzenediazonium ion (7).Only 1, 4, 6, and 7 exchange their diazo group with 'external' molecular N2.The results are explained on the hypothesis that only organic species which have an empty ? orbital and which are effective in ? electron back-donation are able to react with N2.Thus, reaction with carbenes is likely to occur only if the carbene is in the 1A2 singlet state and if its electrophilicity is high.

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