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Phenol, 4-[(2-chloro-4-nitrophenyl)azo]-, also known as 4-(2-chloro-4-nitrophenylazo)phenol or C.I. 11026, is an organic compound characterized by its molecular formula C12H7ClN3O3. This azo dye is derived from phenol and features a 2-chloro-4-nitrophenylazo group attached to the phenol ring. It is a yellow crystalline solid with a melting point of approximately 195-200°C. This chemical is primarily used as a dye in various applications, including textiles, plastics, and leather, due to its ability to impart a vibrant yellow color. It is also known for its potential applications in analytical chemistry as a reagent for the detection of certain metal ions. However, it is important to note that Phenol, 4-[(2-chloro-4-nitrophenyl)azo]- may have hazardous properties and should be handled with care, following appropriate safety guidelines.

6657-07-4

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6657-07-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6657-07-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,5 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6657-07:
(6*6)+(5*6)+(4*5)+(3*7)+(2*0)+(1*7)=114
114 % 10 = 4
So 6657-07-4 is a valid CAS Registry Number.

6657-07-4SDS

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 4-[(2-chloro-4-nitrophenyl)hydrazinylidene]cyclohexa-2,5-dien-1-one

1.2 Other means of identification

Product number -
Other names Phenol,4-[(2-chloro-4-nitrophenyl)azo]

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:6657-07-4 SDS

6657-07-4Relevant academic research and scientific papers

A method of preparing azo dye through coupling

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Paragraph 0034-0037, (2018/05/30)

The invention relates to an azo dye synthetic method, and particularly relates to a method of coupling a weak-alkaline arylamine diazonium salt and a phenol compound under alkaline conditions to prepare azo dye. Weak-alkaline arylamine diazonium salt filt

BASIC PROPERTIES OF 4-ARYLAZO-PHENOLS AND 4-ARYLAZO-ANISOLES

Nesterowicz, Marianna,Korewa, Ryszard

, p. 1085 - 1092 (2007/10/02)

The conditions in which 4-arylazo-phenols and 4-arylazo-anisoles have basic properties have been studied.We have also determined the equilibrium constants of the reactions between 4-arylazo-phenols or 4-arylazo-anisoles with perchloric acid in nitromethane, acetonitrile and acetic acid.Conclusions have been drawn from the influence of the nature of solvent and substituent at the benzene ring on equilibrium constant values.

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