P Toluenesulfonic Acid White Powder 25 KG/BAG CAS 104-15-4

P Toluenesulfonic Acid White Powder 25 KG/BAG CAS 104-15-4

Product Introduction

Colorless monoclinic plate-like or columnar crystals, flammable. Soluble in ethanol and, slightly soluble in water and hot benzene. Sometimes with one or four crystal water. The melting point of the anhydrate was 106-107 °c. Boiling Point (2. 67kPa) 140 ℃. 

Preparation Method

Prepared by sulfonation using toluene as a raw material and heating and boiling with sulfuric acid. The mother liquor of the production process contains uncrystallized methyl benzene sulfonic acid and free sulfuric acid. After neutralization, sodium methylbenzenesulfonate can be produced. 

Use

P Toluenesulfonic Acid is used in the preparation of cresol and Pharmaceutical (such as the preparation of doxycycline), pesticides (such as the preparation of dicofol), dyes and detergents and other industries. It is also used in the plastics and printing coatings industry.

Safety

P Toluenesulfonic Acid has moderate toxicity. Irritation of the skin, eyes and mucous membranes. Rat oral LD50 2480mg/kg, mouse oral LD50 400mg/kg. Its sodium salt is non-toxic. Toluene used in the production process is toxic and has damage to the liver and hematopoietic system as well as the nervous system of the human body. Concentrated sulfuric acid is extremely corrosive, so the production system equipment should maintain good tightness, to prevent leakage, the operator should wear protective equipment. The use of plastic bags plus wooden boxes packaging, storage in a cool, ventilated, dry place. According to the provisions of the storage and transportation of toxic chemicals.

Company Profile:

Guangzhou Hongzheng Trade Co., Ltd. was established in 2006 and has more than 16 years of operation, storage and transportation of chemical raw materials. Located in the land, sea and air transportation center of South China, Guangzhou is known as the "South Gate of China to the World".

Over the years, with the core value of "loyalty, truth-seeking, innovation, and win-win", our company has been deeply engaged in the chemical industry market, striding forward to the goal of green, environmental protection and high technology, and committed to becoming a flagship enterprise in the field of chemical trade.

At present, our company has set up lots of warehouses around China, established a highly advantageous supply and marketing, distribution system, to provide customers with emergency services to the maximum extent. We provide high-quality services to many well-known enterprises in China.