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2,4-dibromo-6-[(6-methyl-1,3-benzothiazol-2-yl)amino]methylidenecyclohexa-2,4-dien-1-one, commonly known as Methyl Orange, is a synthetic chemical compound that serves as a pH indicator. It is characterized by its red-orange solid appearance, which changes color from red in acidic solutions to yellow in basic solutions. This property makes it a useful tool in various applications, despite its classification as a hazardous chemical that requires careful handling to prevent irritation to the skin, eyes, and respiratory system, as well as potential long-term environmental harm due to its toxicity to aquatic organisms.

77203-71-5

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77203-71-5 Usage

Uses

Used in Laboratory Applications:
2,4-dibromo-6-[(6-methyl-1,3-benzothiazol-2-yl)amino]methylidenecyclohexa-2,4-dien-1-one is used as a pH indicator in laboratory settings for its ability to change color in response to different pH levels, aiding in the accurate measurement and assessment of acidity or alkalinity in solutions.
Used in Textile Industry:
In the textile industry, 2,4-dibromo-6-[(6-methyl-1,3-benzothiazol-2-yl)amino]methylidenecyclohexa-2,4-dien-1-one is used as a dye for silk and wool, capitalizing on its vibrant color to enhance the appearance of these natural fibers.
Used in Biological Staining:
2,4-dibromo-6-[(6-methyl-1,3-benzothiazol-2-yl)amino]methylidenecyclohexa-2,4-dien-1-one is also utilized as a biological stain in laboratory research, where its color-changing properties can help in the visualization and differentiation of cellular structures and organisms under microscopic examination.

Check Digit Verification of cas no

The CAS Registry Mumber 77203-71-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,0 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77203-71:
(7*7)+(6*7)+(5*2)+(4*0)+(3*3)+(2*7)+(1*1)=125
125 % 10 = 5
So 77203-71-5 is a valid CAS Registry Number.

77203-71-5SDS

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 (6E)-2,4-dibromo-6-[[(6-methyl-1,3-benzothiazol-2-yl)amino]methylidene]cyclohexa-2,4-dien-1-one

1.2 Other means of identification

Product number -
Other names -

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:77203-71-5 SDS

77203-71-5Downstream Products

77203-71-5Relevant academic research and scientific papers

Synthesis and Biological Activity of Some Schiff Bases Derived from Thiazoles and Benzothiazoles

Dash, B.,Patra, M.,Praharaj, S.

, p. 894 - 897 (2007/10/02)

4-Aryl-2-aminothiazoles and 2-aminobenzothiazoles undergo condensation with salicylaldehyde in the presence of piperidine to give the schiff bases II and III, respectively.A similar reaction of 4-aryl-2-aminothiazole methiodides gives the schiff bases 4-aryl-2-(2'-hydroxyaryliminomethyl)thiazole methiodides (IV).Several schiff bases have been condensed with cyclohexanone and thioglycollic acid to furnish 4-aryl-2-(2'-hydroxy-α-substituted benzylamino)thiazoles (V) and 2-(2'-hydroxyphenyl) or naphthyl)-3-(4''-arylthiazol-2''-yl)-4-thiazolidones (VI), respectively.Structure elucidation of the schiff bases has been made on the basis of their elemental analyses, IR and mass spectral data.The biological screening data of the schiff bases and their metal complexes are also presented.

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