P-toluenesulfonic Acid | 6192-52-5
Cas No :
6192-52-5
Synonyms :
Form :
Solid
Molecular Weight :
172.20 G/mol
Boiling Point :
260 °c
Melting Point :
109 °c
Flash Point :
200 °c
Solubility :
Soluble In Water And Most Organic Solvents (e.g., Ethanol, Acetone)
Grade :
Monohydrate
Description :
p-Toluenesulfonic Acid Supplier and Exporter for the UK
Chemical Bull supports p-Toluenesulfonic Acid sourcing for UK buyers, serving chemical synthesis businesses, pharmaceutical raw material buyers and fine chemical distributors. Share your required grade, specification and order quantity to request a supply quotation. Our role is to coordinate the offered material and commercial details against your purchasing requirements.
What Is p-Toluenesulfonic Acid?
p-Toluenesulfonic acid, often shortened to PTSA, is an organic sulfonic acid used as an acid catalyst and chemical intermediate. Buyers should distinguish anhydrous material from the commonly supplied monohydrate.
p-Toluenesulfonic Acid Uses and Industrial Applications
Esterification processes
PTSA is used as a catalyst in selected esterification routes. Water balance, feedstock compatibility and downstream acid removal influence the process.
Resin and coating manufacture
Selected systems use the acid to promote condensation or curing. The catalyst grade and concentration must match the resin chemistry.
Fine chemical synthesis
The acid is used in defined transformations and salt formation. Hydration state and impurities should be assessed against the reaction and purification route.
Choosing the Right p-Toluenesulfonic Acid Grade
For bulk p-Toluenesulfonic Acid procurement, specify hydration state, assay basis, free sulfuric acid, water, iron and colour. Where the manufacturer uses a trade grade or a particular test method, include that reference in your enquiry. The offered specification should match the material you intend to approve for production.
Start with the reaction route and the impurities that could carry through to the next intermediate. A high headline assay may still be insufficient if the process is sensitive to a particular related substance, metal or water level. Share your approved analytical methods where comparison between suppliers depends on the test method. For pharmaceutical supply chains, establish whether the material is being purchased as a starting material, intermediate, excipient or active substance; these roles require different qualification evidence.
Production Trials and Quality Checks
For a new source, assess a representative batch in the actual reaction and downstream purification. Compare yield, impurity formation and product appearance with the approved reference. Establish acceptance limits before a production order, particularly when an alternative manufacturing route could introduce a different impurity pattern.
For repeat supply, agree the acceptance limits and document requirements before the first commercial order. Review the batch Certificate of Analysis against that specification, and keep a retained sample where your quality procedure requires it. If a test method differs between sources, resolve that difference before treating the results as equivalent.
Storage and Handling
Plan receipt, sampling and charging around the physical form and the current SDS. Avoid relying on a generic description of the chemical family. Your site assessment should address exposure, incompatible materials and the conditions needed to maintain the specified quality. Confirm whether opened packaging can be resealed and how storage history will be controlled.
p-Toluenesulfonic Acid MSDS, SDS and Technical Documentation
Request the current p-Toluenesulfonic Acid MSDS or Safety Data Sheet (SDS) for the exact offered grade. The document covers hazard identification, handling, storage, exposure controls and transport information. Ask separately for the product specification, Technical Data Sheet where available, and a batch Certificate of Analysis. An SDS supports safe-use assessment; it does not replace a quality specification or demonstrate finished-product approval.
p-Toluenesulfonic Acid Price and Bulk Supply for UK Buyers
The p-Toluenesulfonic Acid price for UK delivery depends on the grade, quantity, packaging, source and agreed delivery terms. Include your delivery postcode, required date and purchasing frequency when requesting a quotation. State whether the destination is in Great Britain or Northern Ireland so the relevant supply arrangements can be reviewed. Availability, freight and any import responsibilities should be confirmed in the quotation before an order is placed.
Frequently Asked Questions
1. What is p-Toluenesulfonic Acid?
p-Toluenesulfonic acid, often shortened to PTSA, is an organic sulfonic acid used as an acid catalyst and chemical intermediate. Confirm the exact manufacturer grade and composition in the offered specification.
2. What is p-Toluenesulfonic Acid used for?
Applications include esterification processes, resin and coating manufacture, fine chemical synthesis. The required grade and finished-product suitability depend on the actual formulation or process.
3. Is PTSA always supplied as the monohydrate?
No. Both anhydrous and hydrated forms are encountered. State the required form, assay basis and moisture specification in the enquiry.
4. How can I request a bulk p-Toluenesulfonic Acid price for the UK?
Send the product name, approved specification, required quantity, packaging preference and UK delivery postcode. Include your target date and documentation requirements for a relevant quotation.
5. Can I request a p-Toluenesulfonic Acid MSDS?
Yes. Ask for the current SDS/MSDS for the offered grade, together with the product specification and available COA or TDS. Review the documents before approving the material.
Request a p-Toluenesulfonic Acid Quotation
To buy p-Toluenesulfonic Acid for a UK business requirement, contact Chemical Bull. Share your specification, quantity and delivery details. Our team can review your enquiry and confirm the offered grade, available documentation and commercial supply terms.