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    31643-49-9

    Catalog No. EBD2150208

    CAS 31643-49-9

    Name 4-Nitrophthalonitrile

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    Basic Information

    Synonyms: 4-Nitro-2-benzenedicarbonitrile 3,4-Dicyano1-nitrobenzene 1,2-Benzenedicarbonitrile,4-nitro- 4-nitrobenzene-1,2-dicarbonitrile 4-Nitro-phthalonitrile 4-Nitrophthalonitrile

    Molecular Formula: C8H3N3O2

    Molecular Weight: 173.13

    MDL Number: MFCD00040301

    Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > Liquid Crystal and Optically Active Small Molecule Precursors

    Product Description:
    4-Nitrophthalonitrile is a key synthetic intermediate featuring a phthalonitrile core substituted with a nitro group at the 4-position. Its molecular formula is C8H3N3O2, and it appears as a crystalline solid. The compound is primarily utilized as a precursor in the synthesis of phthalocyanine dyes and pigments, where the nitro group can be further reduced or functionalized to tune optical and electronic properties. In the field of organic electronics, it serves as a building block for near-infrared (NIR) absorbing materials and photosensitizers. Additionally, 4-nitrophthalonitrile is employed in medicinal chemistry as a versatile heterocyclic intermediate for constructing bioactive molecules, including potential kinase inhibitors and antimicrobial agents. Due to its reactivity, it should be handled with care, avoiding exposure to strong reducing agents or bases that may trigger decomposition.
    Physical Properties

    Melting Point: 142-144 °C(lit.)

    Boiling Point: 389.9 °C at 760 mmHg

    Flash Point: 189.6 °C

    Density: 1.41 g/cm3

    Analytical Data

    Appearance: light yellow, light greenish or light grey

    mg g kg ml l t