Para Toluene Sulphonic Acid (PTSA, Monohydrate)
White to light tan crystalline solid or flakes · CAS 104-15-4
Overview
Para Toluene Sulphonic Acid (PTSA, Monohydrate) (CAS 104-15-4) is one of the acids & descalants products Suraj Chemicals supplies to industrial, institutional and manufacturing buyers across India from our Chennai base. It is commonly used for acid catalyst for esterification and condensation reactions; curing catalyst for phenolic and amino (melamine) resins; textile-dyeing auxiliary and metal-cleaning/electroplating formulations, among other applications in the acids & descalants category. We pack Para Toluene Sulphonic Acid (PTSA, Monohydrate) in 25 kg bags, and can arrange bulk, drum or tanker quantities for larger requirements — full characteristics, applications and downloadable documentation are below, or you can request a quote directly.
Specification Sheet — Characteristics
Download Specification Sheet (PDF)| Characteristics | Specifications |
|---|---|
| Assay | 98% Min |
| Melting Point | 103 – 106°C (monohydrate) |
| Moisture | 0.5% Max (excl. water of hydration) |
| Colour (Molten) | Light straw Max |
| Sulphated Ash | 0.1% Max |
Values above are well-established typical/standard specification properties for this product, compiled from published technical references — not a batch-specific lab report. Figures can vary batch to batch — request a current certificate of analysis with your order.
Applications
- Acid catalyst for esterification and condensation reactions
- Curing catalyst for phenolic and amino (melamine) resins
- Textile-dyeing auxiliary and metal-cleaning/electroplating formulations
Frequently Asked Questions
What is Para Toluene Sulphonic Acid (PTSA, Monohydrate)?
Para Toluene Sulphonic Acid (PTSA, Monohydrate) is supplied by Suraj Chemicals as white to light tan crystalline solid or flakes, identified by CAS number 104-15-4. It falls under our Acids & Descalants range — see the Specification Sheet table above for its full characteristics.
What is Para Toluene Sulphonic Acid (PTSA, Monohydrate) used for?
Typical applications include: Acid catalyst for esterification and condensation reactions; Curing catalyst for phenolic and amino (melamine) resins; Textile-dyeing auxiliary and metal-cleaning/electroplating formulations.
How should Para Toluene Sulphonic Acid (PTSA, Monohydrate) be stored and handled?
Combustible organic solid, corrosive — store in a cool, dry place away from heat, strong oxidisers and bases.
What packaging and pack sizes does Suraj Chemicals supply Para Toluene Sulphonic Acid (PTSA, Monohydrate) in?
25 kg bags. Contact us if you need a different pack size, or a bulk/tanker quantity.
What is the shelf life of Para Toluene Sulphonic Acid (PTSA, Monohydrate)?
Typically 3–6 months from date of manufacture when stored sealed, in a cool place away from direct sunlight and heat. Active content in hypochlorite / oxidising products declines gradually over time, so this is one to watch closely. As with any industrial chemical, request the current batch's manufacturing date and a fresh certificate of analysis for orders where exact remaining shelf life matters.
Is Para Toluene Sulphonic Acid (PTSA, Monohydrate) hazardous to handle?
Yes — Para Toluene Sulphonic Acid (PTSA, Monohydrate) is corrosive to skin, eyes and common metals; combustible and should be kept away from heat and ignition sources. Follow the storage and handling guidance above, use appropriate PPE, and download the Safety Data Sheet (SDS/MSDS) in the sidebar above for full GHS hazard, handling and PPE details.
Is a Specification Sheet, TDS or MSDS available for Para Toluene Sulphonic Acid (PTSA, Monohydrate)?
Yes — a downloadable Specification Sheet (PDF) with full characteristics and specifications is available above, and a downloadable Safety Data Sheet (SDS/MSDS) for Para Toluene Sulphonic Acid (PTSA, Monohydrate) is also available above.
Can I get a sample or discuss order quantity for Para Toluene Sulphonic Acid (PTSA, Monohydrate)?
Yes — use the Request Price & Availability button or WhatsApp us with your required quantity, and our team will confirm pricing, minimum order quantity, sample availability and delivery timelines for Para Toluene Sulphonic Acid (PTSA, Monohydrate).