The CAS register number of Phenol,4-(1,1-dimethylethyl)-2-(1-methylpropyl)- is 51390-14-8. It also can be called as 2-sec-Butyl-4-tert-butylphenol. The molecular formula about this chemical is C₁₄H₂₂O and the molecular weight is 206.32.

Preparation: this chemical can be prepared by 2-sec-Butyl-phenol and 2-chloro-2-methyl-propane. This reaction will need reagent of AlCl₃. The reaction time is 30 min with reaction temperature of 50 °C. The yield is about 67%.

When you are using this chemical, please be cautious about it as the following:
This chemical can cause burns. It is toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. If you want to use this chemical, refer to special instructions and safety data sheets and wear suitable protective clothing, gloves and eye and face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) When you are using it, avoid release to the environment. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. It may destroy living tissue on contact. It may also present an immediate or delayed danger to one or more components of the environment.