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NNNN TETRAMETHYL p PHENYLENEDIAMINE DIHYDROCHLORIDE

Product Code: RXSOL-60-6605-022

Categories: Lab Chemical-60
Product Short Description: NNNN TETRAMETHYL p PHENYLENEDIAMINE DIHYDROCHLORIDE
Product Description:

N,N,N′,N′-tetramethyl-p-phenylenediamine dihydrochloride (TMPD) is an oxidizable compound that serves as a reducing co-substrate for heme peroxidases. It is also used as a test reagent in microbiology for the classification of cytochrome oxidase positive aerobic microorganisms.

Product Application:

Kovacs reagent is a biochemical reagent consisting of isoamyl alcohol, para-dimethylaminobenzaldehyde (DMAB), and concentrated hydrochloric acid. It is used for the diagnostical indole test, to determine the ability of the organism to split indole from the amino acid tryptophan. The indole produced yields a red complex with para-dimethylaminobenzaldehyde under the given conditions.[1] This was invented by the Hungarian-Swiss Chemist, Ervin Kovats (Erwin Kovacs) (1927–2010). This reagent is used in the confirmation of E. coli and many other pathogenic microorganisms.

Product Dose:

Wurster's blue is the trivial name given to the chemical N,N,N′,N′-tetramethyl-p-phenylenediamine, also known as TMPD. It is an easily oxidised phenylenediamine, which loses two electrons in one-electron oxidation steps; the radical cation is a characteristic blue-violet colour, which gives the compound part of its name. The remaining part of its name comes from its discoverer, the German chemist Casimir Wurster 

Product Note:

The term "Wurster's blue" is often reserved for the radical cation, the colorless diamine being called tetramethylphenylenediamine (TMPD). The midpoint potential for titration of the first electron is given as 0.276 V vs NHE, and this transition is useful in potentiometric titrations as both a redox mediator and indicator. The two electron-oxidized form (di-iminium) is unstable in aqueous solutions,[1] therefore highly oxidizing conditions should be avoided in titrations relying on TMPD, or reached only during the final stage of the titration. 

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NNNN TETRAMETHYL p PHENYLENEDIAMINE DIHYDROCHLORIDE  manufacturers, suppliers, exporters in Mumbai, Gandhidham, Kolkata, Varanasi, Visakhapatnam, Chennai, Fujairah, Dubai, Canada BC, Barka, Sohar, Muscat, Oman.
Lab chemicals manufacturers, suppliers, exporters in India, UAE Middle East, Barka, Sohar, Muscat, Oman, Canada.
 
NNNN TETRAMETHYL p PHENYLENEDIAMINE DIHYDROCHLORIDE  is available in small packing as well as in bulk. Buy premium quality NNNN TETRAMETHYL p PHENYLENEDIAMINE DIHYDROCHLORIDE  and other lab chemicals from one of the most trusted brands.

Free Delivery / Supply Locations

Oman, Bahrain, Abu Dhabi, Ajman, Al Ain, Dubai, Ras Al-Khaimah, Fujairah, Sharjah, Umm Al Quwain, Ruwais, Mina Zayed, Khalifa Port, Kizad, Jebel Ali, Port Rashid, Khor Fakkan, Sharjah Creek, Port of Hamriyah, Mussafah Port, Saqr Port, Dibba Port, Jebel Dhanna, Mina Al Hamriya, and all major UAE ports.