Pyrrole

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Pyrrole

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Chemical namePyrrole

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Chemical formulaC4H5N

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Molecular mass67.09 g/mol

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Density0.967 g/ml

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Melting point-23 °C

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Boiling point129 - 131 °C

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CAS number109-97-7

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SMILESC1=CC=CN1

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Pyrrole is a heterocyclic aromatic organic compound, a five-membered ring with the formula C4H5N.

Related Topics:
Heterocyclic - Aromatic - Organic compound - Formula - C - H - N

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Pyrroles are components of larger aromatic rings, including the porphyrins of heme, the chlorins and bacteriochlorins of chlorophyll, and the corrin ring of vitamin B12.

Related Topics:
Porphyrin - Heme - Chlorin - Bacteriochlorin - Chlorophyll - Corrin - Vitamin B12

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Pyrrole has very low basicity compared to amines and other aromatic compounds like pyridine where the ring nitrogen is not connected to a hydrogen atom. This is because the lone pair of electrons of the nitrogen atom becomes delocalized in the aromatic ring.

Related Topics:
Amine - Pyridine - Nitrogen - Hydrogen - Atom - Lone pair - Electron

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