4-[2-(3 4-dimethylphenyl)-1 1 1 3 3 3-hexafluoropropan-2-yl]-1 2-dimethylbenzene（CAS# 65294-20-4)

Introduction

2,2-bis (3,4-dimethylphenyl)hexafluoropropane is an organic compound with the chemical formula C20H18F6. The following is a description of its nature, use, preparation and safety information:

Nature:

2,2-bis (3,4-dimethylphenyl)hexafluoropropane is a colorless to pale yellow liquid with a low vapor pressure. It has a molecular weight of 392.35g/mol, a density of about 1.20-1.21g/mL (20°C), and a boiling point of about 115-116°C.

Use:

2,2-bis (3,4-dimethylphenyl)hexafluoropropane is mainly used as a stabilizer and preservative for polymers. It can be added to plastic and rubber products to improve their oxidation resistance and heat resistance. In addition, it can also be used in electronic products such as thermoplastic polymers, adhesives, coatings and resins.

Method:

The preparation of 2,2-bis (3,4-dimethylphenyl) hexafluoroppane is usually achieved by the fluorination reaction of aniline. First, Aniline reacts with hydrofluoric acid to form aniline fluoride, and then after electrophilic substitution reaction, aniline fluoride reacts with trans-carbon tetrafluoride to form the target product.

Safety Information:

2,2-bis (3,4-dimethylphenyl)hexafluoropropane has low toxicity under regular industrial operations. However, as a chemical, it is still necessary to pay attention to safe use. In case of contact with skin or eyes, rinse immediately with plenty of water. During use or storage, attention should be paid to keep away from fire and oxidizing agents and avoid contact with strong oxidizing agents and strong acids. Wearing appropriate personal protective equipment such as protective gloves, goggles and protective clothing is recommended when handling this compound.