Phosphorine (IUPAC name: phosphinine) is a heavier element analog of pyridine, containing a phosphorus atom instead of an aza- moiety. It is also called phosphabenzene and belongs to the phosphaalkene class. Phosphorine is a planar aromatic compound with 88% of the aromaticity of that of benzene. The P-C bond length is 173 pm and the C-C bond lengths center around 140 pm and show little variation.

CAS：289-68-9
中文别名：
英文别名：Phosphate-binding proteolipid;Phosphabenzene;phosphorine;Phosphorin;Phosphabenzol;Phosphoridine;lambda3-Phosphorin;
分子式：C5H5P
分子量：96.067
精确质量：96.0129
Psa：34.14
Logp：1.8183