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CAS

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18780-03-5

2,2',6,6'-Tetraphenyl-4,4'-bipyridine, also known as TPB, is a synthetic organic compound characterized by its rigid, planar structure. It consists of two phenyl rings connected by a bipyridine bridge, with additional phenyl groups attached to the bipyridine nitrogen atoms. TPB is known for its strong fluorescence and is often used as a fluorescent sensor due to its ability to bind to metal ions, particularly transition metals. This property makes it valuable in various analytical applications, such as detecting metal ions in environmental or biological samples. The compound's fluorescence can be quenched or enhanced upon binding, providing a sensitive and selective method for ion detection. TPB's stability, low toxicity, and ease of synthesis also contribute to its utility in research and potential industrial applications.

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  • 18780-03-5 Structure

  • Basic information

    1. Product Name: 2,2',6,6'-tetraphenyl-4,4'-bipyridine
    2. Synonyms: 2,2',6,6'-tetraphenyl-4,4'-bipyridine
    3. CAS NO:18780-03-5
    4. Molecular Formula:
    5. Molecular Weight: 460.578
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 18780-03-5.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 2,2',6,6'-tetraphenyl-4,4'-bipyridine(CAS DataBase Reference)
    10. NIST Chemistry Reference: 2,2',6,6'-tetraphenyl-4,4'-bipyridine(18780-03-5)
    11. EPA Substance Registry System: 2,2',6,6'-tetraphenyl-4,4'-bipyridine(18780-03-5)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 18780-03-5(Hazardous Substances Data)

18780-03-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18780-03-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,7,8 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 18780-03:
(7*1)+(6*8)+(5*7)+(4*8)+(3*0)+(2*0)+(1*3)=125
125 % 10 = 5
So 18780-03-5 is a valid CAS Registry Number.

18780-03-5Downstream Products

18780-03-5Relevant articles and documents

Pyrylium salts in the synthesis of redoxites

Dzaraeva,Sabanov, V. Kh.,Dzhatieva,Abaeva

, (2013)

Redoxites poly(2,6-diphenyl-4-vinylpyran), poly(2,6-diphenyl-4- vinylpyrylium perchlorate), poly-(2,6-diphenyl-4-vinylpyridine) and poly(2,2′,6,6′-tetraphenyl-γ,γ′-dipyridine) were obtained based on pyrylium salts. Poly(2,2′,6,6′-tetraphenyl- γ,γ′-dipyrid

Mono- and dinuclear osmium N,N′-di- and tetraphenylbipyridyls and extended bipyridyls. Synthesis, structure and electrochemistry

Esteruelas, Miguel A.,Fernandez, Israel,Gomez-Gallego, Mar,Martin-Ortiz, Mamen,Molina, Pedro,Olivan, Montserrat,Oton, Francisco,Sierra, Miguel A.,Valencia, Marta

supporting information, p. 3597 - 3608 (2013/03/28)

The efficient synthesis of mono- and dinuclear Os(iv) bipyridyl complexes is reported. These compounds show a two-step oxidation process leading to notable structural changes, which are reflected in their emission properties. During the second oxidation process a tetracation with a hydride-dihydrogen structure (instead of a trihydride) is formed. This results in a significant bathochromic shift of the emission band, accompanied by a moderate increase in intensity.

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