Para Toluene Sulfonic Acid (PTSA) is an organic compound with the formula CH₃C₆H₄SO₃H. It is soluble in water and organic solvents and is hygroscopic. It is widely used in various industrial and laboratory applications, such as a catalyst in chemical reactions, a curing agent, and a chemical used in the production of various products. PTSA is generally divided into four grades: A, B, C, and D. The differences between these grades are based on purity level. Grade A has the highest purity and lower water content.

Characteristics of Para Toluene Sulfonic Acid (PTSA):

• Chemical Formula: CH₃C₆H₄SO₃H.
• Form: White crystalline solid.
• Solubility: Soluble in water, alcohol, and polar organic solvents.
• Properties: Strong acid, corrosive, hygroscopic, and toxic.
• Monohydrate Form: PTSA is often used in its monohydrate form.

Applications of Para Toluene Sulfonic Acid (PTSA):

• Catalyst: PTSA is used as a catalyst in various chemical reactions, including esterification, reductive amination, the Biginelli reaction, and intermolecular coupling of aromatic nuclei.

- Cross-linking reactions.

- Manufacture of plasticizers DOP, DBP & DEP.

- Resin & Coating industry

- Electronic polymers.

- Foam insulation manufacturing.

- Foundry industry.

• Curing Agent: PTSA is used as a curing agent in thermosetting resin systems, varnishes, acrylic resins, and casting resins.
• Industrial Chemical: PTSA is used in various industries, such as in paint industry (as a hardener for melamine paint), textiles, electronics, and gas.
• Electroplating Industry: PTSA is used in electroplating solutions to maintain pH stability and improve electrical conductivity.
• Dyes and Pigments: PTSA is used as an acid catalyst in dye and pigment manufacturing processes.
• Additive in formulations

JUSTUS KIMIARAYA supplies PTSA across major cities in Indonesia. With a commitment to product quality and excellent service, Justus Kimiaraya has become a key partner in chemical supply for various industries.

Justus Kimiaraya provides quality Para Toluene Sulfonic Acid (PTSA) that meets industry and safety standards.