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N,N,N',N'-tetramethylformamidinium tetraphenylborate (TMF-TPB) is a chemical compound that serves as an efficient and widely used electron-transporting material in the field of organic light-emitting diodes (OLEDs). It is characterized by its ability to facilitate the transfer of electrons, which is crucial for the efficient operation of OLEDs. The compound is composed of a tetramethylformamidinium cation and a tetraphenylborate anion, which together contribute to its high thermal and chemical stability. TMF-TPB's role in OLEDs is to balance charge injection and transport, thereby improving device performance and longevity. Its unique properties make it a valuable component in the development of advanced display technologies and other optoelectronic applications.

1921-41-1

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1921-41-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1921-41-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,2 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1921-41:
(6*1)+(5*9)+(4*2)+(3*1)+(2*4)+(1*1)=71
71 % 10 = 1
So 1921-41-1 is a valid CAS Registry Number.

1921-41-1Downstream Products

1921-41-1Relevant academic research and scientific papers

Orthoamides and iminium salts LXXIV [1]. Reactions of N,N,N',N'- Tetramethyl-chloroformamidiniumChloride with metals

Kantlehner, Willi,Aichholz, Reiner,Karl, Martin

, p. 305 - 319 (2012/07/13)

N,N,N',N'-Tetramethyl-formamidinium chloride (2a) reacts with elemental sodium in various solvents to give N,N,N',N',N'',N''-hexamethyl-guanidinium chloride (4a). The reaction of 2a with potassium affords N,N,N',N',N'',N'',N''', N'''-octamethyl-oxamidinium dichloride (3a). From the reaction of 2a with magnesium in different solvents in general result mixtures of the salts 4a, 3a and N,N,N',N'-tetramethyl-formamidinium chloride (10a). The composition of these mixtures depends on the solvent and the reaction temperature. Similar results are obtained, when a zinc'copper couple is used instead of magnesium. Very likely from 2a and magnesium or zinc, respectively, organometallic intermediates 11, 12 are formed which could be trapped by aromatic aldehydes and phenylisocyanate. The salt 2a can be reductively coupled by a low-valent titanium reagent to give the oxamidinium salt 3a.

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