PARA TOLUENE SULFONIC ACID (PTSA)
Para Toluene Sulfonic Acid (PTSA), also known as p-Toluenesulfonic Acid (p-TSA), is a strong organic sulfonic acid widely used as an acid catalyst and chemical intermediate in the pharmaceutical, chemical, polymer, resin, and dye industries. It offers acidity comparable to mineral acids but is easier to handle, non-oxidizing, and highly soluble in water and many organic solvents, making it a preferred catalyst for numerous organic synthesis reactions.
- CAS No.6192-52-5
- HS Code29041090
- High PurityConsistent Quality
- Bulk SupplyReliable & On-time
- Global ShippingWorldwide Delivery
- Technical SupportExpert Assistance
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | PARA TOLUENE SULFONIC ACID (PTSA) |
| Solubility | Highly soluble in water, alcohols, and polar organic solvents |
| Melting Point (Anhydrous) | 103–106°C |
| Free Sulfuric Acid | NMT 0.50% |
| Odor | Characteristic |
| Assay (on Dry Basis) | NLT 98.5% |
| Category | Specialty Chemicals |
Applications
- Phthalate plasticizer, Resin hardener, and as esterification reaction catalyst
- Pharmaceutical Industry
- Paints, Coatings & Adhesives
Packaging Options
25 KG PP BAGPacking
Description
We Dolphin Chemicals (India) Limited are a GMP & ISO Certified one of the most leading Manufacturer and Exporter of Para Toluene Sulfonic Acid (PTSA) Intermediate.
Our Products range are Active Pharmaceutical Ingredients, Intermediates and Specialty Chemicals. We are manufacturing these High Quality export grade material by use of latest technology and highly skilled manpower.
Our products having steady demand in across the like Asia, Africa, Middle East, Europe and American countries. We export our range of Products to Thailand, China, Malaysia, Nepal, Bangladesh, Pakistan, Vietnam, Indonesia, Afghanistan, Cambodia, Philippines, Iran, Dubai, Qatar, Kuwait, Turkey, Egypt, Israel, Saudi Arabia, Uganda, Nigeria, Tanzania, Somalia, Sudan, Russia, Italy, Belarus, Germany, France, USA, Peru, Mexico, Brazil, Argentina and Caribbean Countries.
Our dedicated customer support team is available round the clock to address any inquiries or concerns, providing personalized assistance to our clients.
Choose us for reliable pharmaceutical solutions that you can count on.
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Everything You Need to Know
Have questions about our products, packaging, delivery, or quality standards?
We supply a broad range of industrial chemicals including pharma intermediates, specialty chemicals, and surfactants, all manufactured to consistent, high-purity standards for diverse applications.
Yes. We offer flexible packaging and private-labeling options tailored to your volume, handling, and branding requirements — from small sample packs to bulk industrial drums.
Every batch is quality-tested against strict industry standards. Our processes follow documented safety and compliance protocols to guarantee purity and consistent performance.
We support agriculture, food processing, manufacturing, pharmaceuticals, and textiles, among others, with chemical solutions tailored to each sector's specific needs.
Delivery timelines depend on order size and destination, but our reliable supply chain ensures timely dispatch and consistent availability to keep your operations running smoothly.
Absolutely. We encourage customers to evaluate our products first — reach out to our team and we'll arrange a sample before you commit to a bulk order.