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Post Time: 2017-07
Price: USD3175
Company: Yuan Shi(SuQian) Biotechnology Co.,Ltd  
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(Excellent grade pure)

CAS No:54827-17-7

Appearance:white crystalline powder      


Molecular formula:C16H20N2           

Molecular wt:240.35

Melting point:169-170¡æ               

PH range:8.0—8.5

Producing Area:JiangSu China

3,3’5,5’-Tetramethylbenzidine,dihydrochloride (TMB-HCL)

(Excellent grade pure)

CAS No: 64285-73-0

Appearance:white crystalline powder        


Molecular formula:C16H20N2.2HCL       

Molecular wt:313.27          

Property: easy to dissolve in water          

Producing Area: JiangSu China


3,3’5,5’-Tetramethylbenzidine sulfate (TMB-S)

Appearance:white crystalline powder       


Molecular formula:C16H20N2.H2SO4      

Property: can be dissolved in water 

Producing Area: JiangSu China

N-(3-sulfopropyl)-3,3’5,5’-tetramethylbenzidine,sodium salt (TMB-PS)


CAS No:102062-36-2

Appearance:white or primrose yellow crystalline powder    


Molecular formula:C19H25N2NaO3S                   

Molecular wt:384.5

Melting point:230-240¡æ                             

Producing Area: JiangSu China

Packaging: bottled                                  

Storage:at room temperature, in dry and dark environment,and be away from the metal

Property: easy to dissolve in water,can be used in the neutral,acidic and alkaline conditions

Description related:a water-soluble analogue of tmb, to detect the activity of hydrogen peroxide or peroxidase, and the colorlessaqueous solution will turn to be cyan as a result of the presence of hydrogen peroxideorperoxidase, and the maximum absorption wavelength is 655 nm.

The performance and application of  TMB:

   3,3',5,5'-Tetramethylbenzidine(TMB)is a new-type safe color primary reagent.Compared with some traditional color primary reagents such as benzidine, o-tolidine and o-diaminobenzene,the merits of TMB are high sensitive detection and excellent stability. And as a result of zoopery and Ames which is to experiment self-acting variability of bacteria,showing that TMB is a kind of non-cancerogen and non-mutagen ,and can be used safely. Currently,TMB is taking the place of benzidine which is a strong cancerogen and other ramifications of benzidine which are  carcinogenic step by step.TMB can be applied in areas like clinical assay, forensic analysis, criminal investigation and environmental detection,etc.As a new zymolyte of peroxidase,TMB has wide applications in enzyme immunoassay (EIA) and enzyme-linked-immunosorbent serologic assay(ELISA).

The main items of TMB’s applications are:

1¡¢making up test paper of uranalysis;

2¡¢detection of hepatitis virus;

3¡¢detection of gravidity;

4¡¢rapid determination of glucose,hemoglobin and albumin in blood and urine;

5¡¢occult blood test of excrement;

6¡¢to detect the value of granulocyte in blood;

7¡¢detection of steroid and sex hormone;

8¡¢determination of enzyme activity;

9¡¢analysis and detection of antigen, antibody and germ plasm;

10¡¢rapid determination of alcoholicity in saliva;

11¡¢pigmentation of biological specimen;

12¡¢quality test of water and detection of fingerprint rendering;

13¡¢detection of AIDS virus.

14¡¢Horseradish Peroxidase Color Development Solution for ELISA.


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Company:Yuan Shi(SuQian) Biotechnology Co.,Ltd
Main Business:tetramethyl benzidine(TMB)¡¢biological buffering
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