4-(1,1-Dimethylpropyl)phenol potassium salt 53404-18-5 80-46-6 Caswell No. 050A EINECS 258-524-2 EPA Pesticide Chemical Code 064111 Phenol, 4-(1,1-dimethylpropyl)-, potassium salt Potassium 4-(1,1-dimethylpropyl)phenolate Potassium 4-tert-amylphenate Potassium p-tert-amylphenate Potassium p-tert-amylphenolate p-tert-Amylphenol, potassium salt