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CAS

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149430-73-9

α,ω-bis(4-cyanobiphenyl) heptane is a chemical compound that features two 4-cyanobiphenyl groups connected by a heptane chain. α,ω-bis(4-cyanobiphenyl) heptane is recognized for its thermal stability and high birefringence, which are key characteristics that make it suitable for various applications in the field of materials science and technology.

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  • 149430-73-9 Structure

  • Basic information

    1. Product Name: α,ω-bis(4-cyanobiphenyl) heptane
    2. Synonyms:
    3. CAS NO:149430-73-9
    4. Molecular Formula:
    5. Molecular Weight: 454.615
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 149430-73-9.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: α,ω-bis(4-cyanobiphenyl) heptane(CAS DataBase Reference)
    10. NIST Chemistry Reference: α,ω-bis(4-cyanobiphenyl) heptane(149430-73-9)
    11. EPA Substance Registry System: α,ω-bis(4-cyanobiphenyl) heptane(149430-73-9)

  • 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: 149430-73-9(Hazardous Substances Data)

149430-73-9 Usage

Uses

Used in Display and Electronic Devices:
α,ω-bis(4-cyanobiphenyl) heptane is utilized as a liquid crystal material for enhancing the quality of displays and electronic devices. Its high birefringence and thermal stability contribute to improved performance and reliability in these applications.
Used in Photonic and Optoelectronic Devices:
α,ω-bis(4-cyanobiphenyl) heptane is also employed in photonic and optoelectronic devices due to its ability to exhibit liquid crystalline behavior under specific conditions. Its unique properties make it a valuable component in the development of advanced materials for these industries.
Used in Advanced Materials Development:
α,ω-bis(4-cyanobiphenyl) heptane has potential applications in the creation of advanced materials for various industrial and technological uses. Its properties can be harnessed to develop new materials with improved characteristics for specialized applications.
Safety Precautions:
Given the chemical nature of α,ω-bis(4-cyanobiphenyl) heptane, it is essential to follow proper handling and safety protocols when working with α,ω-bis(4-cyanobiphenyl) heptane to ensure the safety of individuals and the integrity of the materials being developed.

Check Digit Verification of cas no

The CAS Registry Mumber 149430-73-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,4,3 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 149430-73:
(8*1)+(7*4)+(6*9)+(5*4)+(4*3)+(3*0)+(2*7)+(1*3)=139
139 % 10 = 9
So 149430-73-9 is a valid CAS Registry Number.

149430-73-9Downstream Products

149430-73-9Relevant articles and documents

Synthesis method of compound with biphenyl dimer structure

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, (2020/07/24)

The invention provides a synthesis method of a compound with a biphenyl dimer structure as shown in a formula A which is described in the specification. According to the synthesis method, 1,5-dibromo-pentane and 4-bromobenzaldehyde are used as raw materials, and the compound shown in the formula A is prepared through the steps of Grignard reaction, coupling and the like. The method is low in raw material price, high in yield, convenient to purify and suitable for industrial production.

Method for preparing dimer containing benzonitrile terminal

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Paragraph 0039; 0047; 0048; 0049; 0050, (2017/06/02)

The invention provides a method for preparing dimer containing a benzonitrile terminal. The method comprises the following steps: reacting a compound shown in the formula 1 and an organic solvent under the protection of nitrogen at a controlled temperature with added Lewis acid, adding a compound shown in the formula 2 while performing stirring, and performing heating reflux to obtain a compound shown in the formula 3; mixing the compound shown in the formula 3 with a strong acid solvent, controlling the temperature and adding a triethyl silicane solvent dropwise while performing stirring, and carrying out stirring and heating reflux to obtain a compound shown in the formula 4; and reacting the compound shown in the formula 4 with a compound shown in the formula 5 in the function of an alkaline compound, a catalyst, hydrazine hydrate, tetrahydrofuran and water, performing stirring while carrying out nitrogen replacement, and performing heating reflux to obtain the compound shown in the formula M. Compared with other methods, the method for preparing dimer containing a benzonitrile terminal is available in raw materials, simple in step, and high in yield, is suitable for massive industrial production, and is beneficial for application of a display liquid crystal material.

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