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  2. Pyridine-3-carbaldehyde - Wikipedia

    en.wikipedia.org/wiki/Pyridine-3-carbaldehyde

    Pyridine-3-carbaldehyde, also known as nicotinaldehyde, is an organic compound with the formula C 5 H 4 NCHO. It is one of three isomeric pyridinaldehydes. The other isomers are pyridine-2-carboxaldehyde and pyridine-4-carboxaldehyde. It is a colorless liquid that is routinely available commercially. It can be produced from nicotinonitrile ...

  3. Pyridine-4-carbaldehyde - Wikipedia

    en.wikipedia.org/wiki/Pyridine-4-carbaldehyde

    It is one of three isomeric pyridinaldehydes. The other isomers are pyridine-2-carboxaldehyde and pyridine-3-carboxaldehyde. Pyridine-4-carboxaldehyde is a colorless liquid, although aged samples can appear yellow or even brown. It undergoes many reactions expected for aromatic aldehydes such as reductive amination and Schiff base formation. [1]

  4. Pyridine (data page) - Wikipedia

    en.wikipedia.org/wiki/Pyridine_(data_page)

    1 Material Safety Data Sheet. 2 Structure and properties. 3 Thermodynamic properties. 4 Vapor pressure of liquid. 5 Spectral data. 6 References. ... 12.3 ε 0 at 25 ...

  5. Safety data sheet - Wikipedia

    en.wikipedia.org/wiki/Safety_data_sheet

    An example SDS, including guidance for handling a hazardous substance and information on its composition and properties. A safety data sheet (SDS), [1] material safety data sheet (MSDS), or product safety data sheet (PSDS) is a document that lists information relating to occupational safety and health for the use of various substances and products.

  6. Pyridinecarboxylic acid - Wikipedia

    en.wikipedia.org/wiki/Pyridinecarboxylic_acid

    3-pyridinecarboxylic acid 4-pyridinecarboxylic acid Structural Formula: CAS Registry Number: 98-98-6 59-67-6 55-22-1 All isomers share the molecular weight 123,11 g ...

  7. Pyridine - Wikipedia

    en.wikipedia.org/wiki/Pyridine

    Pyridine-borane (C 5 H 5 NBH 3, melting point 10–11 °C) is a mild reducing agent. structure of the Crabtree's catalyst. Transition metal pyridine complexes are numerous. [108] [109] Typical octahedral complexes have the stoichiometry MCl 2 (py) 4 and MCl 3 (py) 3. Octahedral homoleptic complexes of the type M(py) + 6 are rare or tend to ...

  8. Pyridine-2-carbaldehyde - Wikipedia

    en.wikipedia.org/wiki/Pyridine-2-carbaldehyde

    Pyridine-2-carbaldehyde, also called 2-formylpyridine, is an organic compound with the formula NC 5 H 4 CHO. It is one of three isomeric pyridinaldehydes. The other isomers are pyridine-3-carboxaldehyde and pyridine-4-carboxaldehyde.

  9. 3-Hydroxyisonicotinaldehyde - Wikipedia

    en.wikipedia.org/wiki/3-Hydroxyisonicotinaldehyde

    3-Hydroxyisonicotinaldehyde (HINA), also known as 3-hydroxypyridine-4-carboxaldehyde, is a derivative of pyridine, with hydroxyl and aldehyde substituents. It has been studied as a simple analogue of vitamin B 6. In 2020, it was reported as having the lowest molecular weight of all dyes which exhibit green fluorescence. [2] [3]