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Urea, (4-chloro-3-hydroxyphenyl)-, also known as 4-chloro-3-hydroxyphenylurea or CHU, is an organic compound with the chemical formula C7H7ClN2O2. It is a derivative of urea, where one of the hydrogen atoms is replaced by a 4-chloro-3-hydroxyphenyl group. Urea, (4-chloro-3-hydroxyphenyl)- is a white crystalline solid and is used as a chemical intermediate in the synthesis of various pharmaceuticals and agrochemicals. CHU is known for its herbicidal properties and is a key component in the production of some herbicides. It is also used in the synthesis of certain dyes and pigments. Due to its potential applications and reactivity, it is important to handle CHU with care, following proper safety protocols.

28443-47-2

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28443-47-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28443-47-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,4,4 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 28443-47:
(7*2)+(6*8)+(5*4)+(4*4)+(3*3)+(2*4)+(1*7)=122
122 % 10 = 2
So 28443-47-2 is a valid CAS Registry Number.

28443-47-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name (4-chloro-3-hydroxyphenyl)urea

1.2 Other means of identification

Product number -
Other names (4-Chlor-3-hydroxy-phenyl)-harnstoff

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:28443-47-2 SDS

28443-47-2Downstream Products

28443-47-2Relevant academic research and scientific papers

Agent and method for colouring keratin fibres

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, (2008/06/13)

The present application relates to a preparation for dyeing keratin fibers which, before use, is mixed with an oxidizing agent and wherein a combination of at least one 4,5-diaminopyrazole derivative of the general formula (II) or its physiologically compatible salts and at least one phenylurea derivative of the general formula (I) or its physiologically compatible salts is contained in a suitable cosmetic carrier, as well as a method for dyeing hair using this preparation.

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