Ortho-para Toluene Sulfonamide

Form :

Powder

Molecular Weight :

171.22 G/mol

Boiling Point :

320 °c

Melting Point :

136 °c

Flash Point :

230 °c

Solubility :

Sparingly Soluble In Water; Soluble In Hot Ethanol And Acetone

Description :

Ortho-Para Toluene Sulfonamide Supplier and Exporter for the USA

Chemical Bull is an Ortho-Para Toluene Sulfonamide supplier, distributor, wholesaler, and exporter for the USA, supporting commercial sourcing requirements for amino resins, decorative laminates, coatings, adhesives, and specialty resin formulations.

Ortho-Para Toluene Sulfonamide, commonly abbreviated as OPTSA, is a mixture of ortho- and para-toluenesulfonamide used as a plasticizer and reactive resin modifier. USA manufacturers evaluate OPTSA based on isomer ratio, assay, moisture, color, melting range, compatibility, COA, SDS, and batch consistency.

Quick Answer

Ortho-Para Toluene Sulfonamide, commonly identified by CAS 1333-07-9, is an isomer mixture used as a plasticizer and reactive modifier in selected resin systems. Applications include melamine resins, urea-formaldehyde resins, laminates, coatings, and adhesives. Buyers should confirm the isomer ratio and application-specific specification before procurement.

Contact Chemical Bull for bulk OPTSA pricing with your required isomer ratio, specification, application, quantity, and USA delivery destination.


What Is Ortho-Para Toluene Sulfonamide?

Ortho-Para Toluene Sulfonamide combines two positional isomers of toluenesulfonamide. Their proportions vary according to the commercial grade.

OPTSA can modify flexibility and flow in compatible formulations. In selected reactive resin systems, its sulfonamide functionality can participate in the cured network.

OPTSA is different from N-Ethyl Ortho-Para Toluene Sulfonamide. These materials have different chemical structures and should not be treated as equivalent grades.

OPTSA is commonly sourced by resin producers, laminate manufacturers, coating formulators, adhesive businesses, pigment manufacturers, and industrial procurement teams.


Ortho-Para Toluene Sulfonamide Product Information

Product Name: Ortho-Para Toluene Sulfonamide

Common Abbreviation: OPTSA

Mixture CAS Number: 1333-07-9

Primary Functions: Plasticizer and reactive modifier for compatible resin systems

Confirm isomer ratio, assay, moisture, color, and melting range from the supplied specification and COA.


Ortho-Para Toluene Sulfonamide Applications for Industrial Manufacturing

Melamine Resin Formulations

OPTSA is used as a reactive plasticizer in selected melamine resin systems.

Manufacturers evaluate its contribution to flexibility, flow, and formulation performance against their finished-product requirements.

Decorative Laminate Manufacturing

Suitable grades are used in melamine-formaldehyde laminate formulations.

Laminate producers should assess resin compatibility, processing behavior, and finished-surface properties before approving a grade.

Urea-Formaldehyde Resin Systems

Ortho-Para Toluene Sulfonamide is used in selected urea-formaldehyde resin formulations.

Its reactive functionality requires evaluation within the complete resin composition and curing process.

Coatings and Resin Modification

OPTSA is used to modify selected coating and specialty resin systems, including compatible epoxy and polyurethane formulations.

Formulators should account for its reactivity and assess flexibility, cure behavior, and finished-film performance.

Hot-Melt Adhesives

The ortho/para mixture is used as a plasticizer in selected hot-melt adhesive formulations.

Adhesive manufacturers should evaluate compatibility, flow, bonding performance, and stability in their approved formulation.

Fluorescent Pigment Manufacturing

Selected OPTSA grades are used as an intermediate in fluorescent pigment production.

Buyers should define the required composition and quality limits according to their pigment manufacturing process.


Why Manufacturers Source Ortho-Para Toluene Sulfonamide

Application-Specific Plasticization

OPTSA provides a plasticizer option for resin systems where compatibility and performance have been established.

Reactive Modification Capability

Its chemical functionality makes it relevant to selected formulations requiring a reactive modifier.

Defined Isomer Specifications

Buyers can specify the required ortho/para ratio rather than purchasing solely by the general product name.

Supports Consistent Procurement

An approved specification, batch documentation, and agreed delivery schedule help manufacturers maintain purchasing consistency.


Ortho-Para Toluene Sulfonamide Supplier for USA Manufacturers

When comparing an Ortho-Para Toluene Sulfonamide supplier for the USA, procurement teams should provide the approved isomer ratio and technical specification.

Chemical Bull supports commercial sourcing enquiries from resin manufacturers, laminate producers, coating companies, adhesive formulators, pigment businesses, and distributors across the United States.

Buyers should review batch consistency, COA, SDS, TDS, packaging, minimum order quantity, lead time, and recurring supply requirements before placing an order.


Related Resin and Formulation Chemicals

Manufacturers sourcing OPTSA may also explore Melamine, Epoxy Resin, and Polyurethane.

These materials have different functions in resin manufacturing and formulation. Selection should follow the intended chemistry and technical requirements.


Ortho-Para Toluene Sulfonamide SDS and Documentation

Chemical Bull can provide available Ortho-Para Toluene Sulfonamide SDS, COA, TDS, and product specifications with commercial supply enquiries.

The SDS should identify the supplied mixture and its components. Buyers should verify the product identity against their approved specification.

Follow the supplied documentation for handling and storage, keeping the material protected from moisture and contamination.


Buy Ortho-Para Toluene Sulfonamide in Bulk for the USA

Chemical Bull supports bulk Ortho-Para Toluene Sulfonamide sourcing for industrial manufacturers, formulators, distributors, and procurement teams.

OPTSA pricing depends on isomer ratio, specification, quantity, packaging, and delivery terms. Include your application, documentation requirements, and purchasing schedule when requesting a quotation.


Frequently Asked Questions

  1. What is Ortho-Para Toluene Sulfonamide?

    Ortho-Para Toluene Sulfonamide, or OPTSA, is a mixture of ortho- and para-toluenesulfonamide used in selected plasticizer and reactive resin-modification applications.

  2. What is the CAS number of OPTSA?

    The mixture is commonly identified by CAS 1333-07-9. Its component isomers are ortho-toluenesulfonamide, CAS 88-19-7, and para-toluenesulfonamide, CAS 70-55-3.

  3. What is OPTSA used for?

    OPTSA is used in selected melamine resins, urea-formaldehyde resins, laminates, coatings, hot-melt adhesives, and fluorescent pigment manufacturing.

  4. Does the ortho/para ratio matter?

    Yes. Buyers should specify the ratio approved for their formulation and confirm it through the supplier’s technical specification and batch documentation.

  5. Is OPTSA the same as N-Ethyl Toluene Sulfonamide?

    No. OPTSA is the parent sulfonamide mixture. N-Ethyl Toluene Sulfonamide is a different derivative with different reactivity and formulation properties.

  6. Can Chemical Bull support bulk OPTSA supply for the USA?

    Chemical Bull supports commercial sourcing enquiries for USA manufacturers and distributors. Share your isomer ratio, specification, quantity, and destination to confirm availability and quotation terms.