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Benzene, (2-isocyanatoethenyl)-, also known as 2-isocyanatoethenylbenzene or alpha-phenylnitrile, is an organic compound with the chemical formula C8H5N. It is a colorless to pale yellow liquid with a pungent odor. This chemical is a derivative of benzene, where one hydrogen atom is replaced by an isocyanatoethenyl group, which consists of a carbon-carbon double bond and an isocyanate group (-CN). Benzene, (2-isocyanatoethenyl)- is primarily used as an intermediate in the synthesis of various chemicals, including pharmaceuticals, agrochemicals, and polymers. Due to its reactivity and potential toxicity, it is essential to handle Benzene, (2-isocyanatoethenyl)- with caution and proper safety measures.

4737-20-6

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4737-20-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4737-20-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,3 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4737-20:
(6*4)+(5*7)+(4*3)+(3*7)+(2*2)+(1*0)=96
96 % 10 = 6
So 4737-20-6 is a valid CAS Registry Number.

4737-20-6SDS

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 2-isocyanatoethenylbenzene

1.2 Other means of identification

Product number -
Other names 2-ISOCYANATOVINYLBENZENE

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:4737-20-6 SDS

4737-20-6Relevant academic research and scientific papers

One-pot synthesis of phenylallyl substituted unsymmetrical ureas under microwave irradiation

Chai, Lan-Qin,Chen, Wei-Peng,Wang, Xiao-Qiang,Ge, Jian-Lin

, p. 2491 - 2496 (2007)

A series of phenylallyl-substituted unsymmetrical ureas were synthesized in a one-pot procedure by reactions of cinnamoyl isocyanate, which was prepared from cinnamoyl azide by Curtius rearrangement, with various aromatic amines, 2-amino-5-aryl-1,3,4-thia

Solvent Effekt in the Curtius Rearrangement of Cinnamoyl Azide

Iskander, M. L.

, p. 76 - 82 (2007/10/02)

The rate of title reaction was studied in seven different solvents.The rate decreases in the order: glacial acetic acid = 80percent ethyl alcohol > ethyl alcohol methyl alcohol > acetone > aniline > benzene.The rate of pyrolysis reaction at the same temperature was very small if compared with that in any solvent.Linear relation was observed between k and (D-1/2D+1) also the (C-T) band (energy of charge transfer band) was shown to be linear in log k. ΔG(excit.) was found to be independent on solvent.The activation parameters of the reaction were determined.

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