nonyl phenol

nonyl phenol

[′nä‚nil ′fē‚nȯl] (organic chemistry) C9H19C6H4OH Pale-yellow liquid boiling at 283-302°C; soluble in organic solvents, insoluble in water; a mixture of monoalkyl phenol isomers, mostly para-substituted; used to make surface-active agents, resins, and plasticizers.