What is "dimethylphenylphosphine"

''' Dimethylphenylphosphine ''' is an organophosphorus compound with a formula P(CH)(CH). The phosphorus is connected to a phenyl group and two methyl groups, making it the simplest aromatic alkylphosphine. This colorless air sensitive liquid is commonly used as a ligand in transition metal complexes. These complexes are often soluble in organic solvents.