p-Toluenesulfonic Acid CAS 104-15-4/6192-52-5

p-Toluenesulfonic acid Quick Details

Chemical Name: p-Toluenesulfonic acid

Synonyms: Toluene-4-sulfonic acid monohydrate; 4-Methylbenzenesulfonic acid monohydrate; PTSA; Tosic acid

CAS No.: 104-15-4

Molecular Formula: C7H8O3S

Chemical Structure:

Molecular weight: 172.2

Appearance: White crystal Powder

Purity: ≥ 98.0% / 99.0%

p-Toluenesulfonic acid Typical Properties

Use of p-Toluenesulfonic acid

• Highly Efficient Catalyst for Organic Synthesis & Pharma: It is the most commonly used solid strong organic acid catalyst in the synthesis of fine chemicals. It has absolute advantages such as non-oxidizing properties, few side reactions, high selectivity, light-colored reaction byproducts, and ease of weighing. It is widely used in the catalysis of the following reactions:

  • Esterification reactions (e.g., synthesis of diverse plasticizers and specialty functional esters);

  • Acetalization / Ketalization (vital hydroxyl group protecting paths in pharmaceutical synthesis);

  • Alkylation, dehydration, and ring-opening matrices. It is also a core intermediate raw material for the synthesis of potent antibiotics and other pharmaceutical raw materials.

• Plastics & Coatings Curing Agent: Extensively deployed across industrial manufacturing as a rapid curing accelerator for amino resins, furan resins, and specialty coatings, effectively reducing baking temperatures and curing cycles.

• Polyacrylonitrile (Acrylic) Auxiliary: Managed inside synthetic fiber sectors as a dependable polymerization stabilizer and dyeing modifier.

p-Toluenesulfonic acid Packaging and Shipping

25kg/bag

p-Toluenesulfonic acid Storage

Must be stored in a cool, dry, and exceptionally well-ventilated dedicated hazardous material or fine chemical warehouse. Keep containers hermetically sealed and completely protected from atmospheric moisture and rain.