

share
4-Toluene Sulfonate CAS NO 16722-51-3
Unit Price:
CAS No.:16722-51-3
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
4-Toluene Sulfonate is an important organic sulfonate salt widely used as a key intermediate and catalyst in industrial chemical synthesis. Its value lies in its versatility as a phase-transfer catalyst and its role in facilitating various alkylation and esterification reactions. This compound is essential for manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors who require reliable, high-purity building blocks for complex synthesis.
Application
- Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and various drug molecules.
- Phase-Transfer Catalyst (PTC): Facilitates reactions between reactants in immiscible phases, commonly used in organic synthesis.
- Agrochemical Synthesis: Serves as a building block in the production of pesticides, herbicides, and plant growth regulators.
- Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of certain dyes and colorants.
- Polymer Industry: Employed in the production of specialty polymers and as a catalyst in polymerization processes.
- Chemical Research & Development: Utilized in lab-scale and pilot-scale reactions for developing new chemical entities.
- Surfactant and Detergent Precursor: Can be used in the synthesis of certain anionic surfactants.
Basic Information
| Product Name | 4-Toluene Sulfonate |
| CAS No. | 16722-51-3 |
| Molecular Formula | C7H7SO3 (commonly as a salt, e.g., sodium 4-toluenesulfonate) |
| Molecular Weight | Contact for details |
| Synonyms | p-Toluenesulfonate; Tosylate; 4-Methylbenzenesulfonate; Toluenesulfonic acid salt; Sodium p-toluenesulfonate (common salt form); p-TsO; Tosic acid salt; Tolylsulfonate |
| EINECS | Contact for details |
Quality Control
Our 4-Toluene Sulfonate is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and consistency. Certificates of Analysis (COA) documenting key parameters such as assay, impurity profile, and physical characteristics are provided with every shipment to guarantee supply reliability and product integrity for your critical processes.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to standard |
| Assay (HPLC) | ≥ 98.0% |
| Loss on Drying | ≤ 1.0% |
| Residue on Ignition | ≤ 0.1% |
| Heavy Metals | ≤ 20 ppm |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


Lithium Bis(Trifluoromethanesulphonyl)Imide CAS NO 90076-65-6


2,4-Dinitrobenzenesulfonic Acid Sodium Salt CAS NO 885-62-1


Ethyl p-Toluenesulfonate CAS NO 80-40-0


(+/-)-10-Camphorsulfonic Acid Sodium Salt CAS NO 34850-66-3


n-(2-Methyl-5-Nitro-Phenyl)Benzenesulfonamide CAS NO 121-77-7


Sodium n-Cyclohexylsulfamate CAS NO 139-05-9


Sodiumiodomethanesulphonate CAS NO 143-47-5


Thiosulfuric Acid Hydrogen S-[2-(Methylamino)Ethyl] Ester CAS NO 1000-68-6


Benzyl 4-Toluenesulfonate CAS NO 1024-41-5


Thiosulfuric Acid Hydrogen S-[2-[(2-Phenoxyethyl)Amino]Ethyl] Ester CAS NO 1085-52-5


4-Amino-6-Chloro-N~1~,N~1~,N~3~,N~3~-Tetramethyl-1,3-Benzenedisulfonamide CAS NO 1090-97-7


1-(p-Hydroxyphenyl)-2-Phenyl-4-[2-(Phenylsulfonyl)Ethyl]Pyrazolidine-3,5-Dione CAS NO 1107-46-6


2,4-Butanesultone CAS NO 1121-03-5


4-Methoxybenzenesulfonamide CAS NO 1129-26-6


4-(n-Butoxy)Benzenesulphonamide CAS NO 1138-58-5


4-Chlorobenzenesulfonothioic Acid S-Phenyl Ester CAS NO 1142-97-8


Benzenesulfonamide, n-(Dihydro-2(3H)-Furanylidene)-4-Methyl- (9Ci) CAS NO 1209-75-2


4-{[(4-Methylphenyl)Sulfonyl]Amino}Butanoic Acid CAS NO 1213-42-9


2-Amino-5-Naphthalene-(N,n-Dimethyl)Sulfonamide CAS NO 1214-03-5


4-Methyl-1,3,2-Dioxathiolane 2-Oxide CAS NO 1469-73-4
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






