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14047-09-7

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14047-09-7 Usage

Uses

3,3'',4,4''-Tetrachloroazobenzene is used in the synthesis of 3,?4-?dichloroaniline. Dyes and metabolites, Environmental Testing.

Check Digit Verification of cas no

The CAS Registry Mumber 14047-09-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,0,4 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 14047-09:
(7*1)+(6*4)+(5*0)+(4*4)+(3*7)+(2*0)+(1*9)=77
77 % 10 = 7
So 14047-09-7 is a valid CAS Registry Number.

14047-09-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 3,3′,4,4′-Tetrachloroazobenzene

1.2 Other means of identification

Product number -
Other names 3,3',4,4'-Tetrachlor-azobenzol

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:14047-09-7 SDS

14047-09-7Relevant articles and documents

A complete vibrational study on a potential environmental toxicant agent, the 3,3′,4,4′-tetrachloroazobenzene combining the FTIR, FTRaman, UV-Visible and NMR spectroscopies with DFT calculations

Castillo, María V.,Pergomet, Jorgelina L.,Carnavale, Gustavo A.,Davies, Lilian,Zinczuk, Juan,Brandán, Silvia A.

, p. 577 - 586 (2015)

In this study 3,3′,4,4′-tetrachloroazobenzene (TCAB) was prepared and then characterized by infrared, Raman, multidimensional nuclear magnetic resonance (NMR) and ultraviolet-visible spectroscopies. The density functional theory (DFT) together with the 6-

Conversion of anilines into azobenzenes in acetic acid with perborate and Mo(VI): correlation of reactivities

Karunakaran,Venkataramanan

, p. 375 - 385 (2019/02/14)

Azobenzenes are extensively used to dye textiles and leather and by tuning the substituent in the ring, vivid colours are obtained. Here, we report preparation of a large number of azobenzenes in good yield from commercially available anilines using sodium perborate (SPB) and catalytic amount of Na2MoO4 under mild conditions. Glacial acetic acid is the solvent of choice and the aniline to azobenzene conversion is zero, first and first orders with respect to SPB, Na2MoO4 and aniline, respectively. Based on the kinetic orders, UV–visible spectra and cyclic voltammograms, the conversion mechanism has been suggested. The reaction rates of about 50 anilines at 20–50?°C and their energy and entropy of activation conform to the isokinetic or Exner relationship and compensation effect, respectively. However, the reaction rates, deduced by the so far adopted method, fail to comply with the Hammett correlation. The specific reaction rates of molecular anilines, obtained through a modified calculation, conform to the Hammett relationship. Thus, this work presents a convenient inexpensive non-hazardous method of preparation of a larger number of azobenzenes, and shows the requirement of modification in obtaining the true reaction rates of anilines in acetic acid and the validity of Hammett relationship in the conversion process, indicating operation of a common mechanism.

Structure-reactivity correlation of anilines in acetic acid

Karunakaran, Chockalingam,Kamalam, Ramasamy

, p. 1118 - 1124 (2007/10/03)

The oxidation of aniline in glacial acetic acid with percarbonate, a dry carrier of hydrogen peroxide, is a second-order reaction conforming to the isokinetic relationship. The hitherto followed method of correlation of the reaction rates in terms of the structure-reactivity relationships is unsatisfactory and erroneous. But the reaction rates of molecular anilines, obtained for the first time, conform to the structure-reactivity relationships.

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