Chemical Name: Benzyl Methyl Ketone (BMK) Synonyms: Phenylacetone; P2P; 1-Phenyl-2-propanone; Benzylacetone; Methyl benzyl ketone Chemical Formula: C₆H₅CH₂COCH₃ (C₉H₁₀O) CAS Number: 103-79-7 Appearance: Typically a colorless to pale yellow liquid or oil (less commonly encountered as a powder; "BMK powder" often refers to disguised precursors like BMK glycidate or mislabeled shipments).