Description

4-Nitrobenzenediazonium Toluene-4-Sulphonate is a specialized diazonium salt compound, a crucial intermediate in advanced organic synthesis. Its primary value lies in its ability to act as a source of the 4-nitrophenyl diazonium cation, facilitating the introduction of the nitrobenzene moiety into target molecules under controlled conditions. This product is essential for research and industrial chemists in the fine chemical, pharmaceutical, and dye manufacturing sectors who require high-purity, reliable building blocks for complex molecule construction.

Application

• Diazotization Reagent: A key precursor for generating the reactive 4-nitrobenzenediazonium ion in situ for subsequent coupling reactions.
• Azo Dye Synthesis: Used in the production of specialized azo dyes and pigments, where it contributes color and structural properties.
• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Cross-Coupling Reactions: Employed in palladium-catalyzed and other metal-mediated cross-coupling reactions to form biaryl structures.
• Surface Modification: Used for the functionalization of materials and surfaces via diazonium chemistry to alter surface properties.
• Research & Development: A valuable tool in academic and industrial R&D labs for exploring new synthetic pathways and creating novel chemical entities.

Basic Information

Product Name	4-Nitrobenzenediazonium Toluene-4-Sulphonate
CAS No.	1947-33-7
Molecular Formula	C13H11N3O5S
Molecular Weight	321.31 g/mol
Synonyms	4-Nitrobenzenediazonium p-Toluenesulfonate; p-Nitrobenzenediazonium Tosylate; Diazonium, (4-nitrophenyl)-, 4-methylbenzenesulfonate; 4-Nitrobenzenediazonium Tosylate; (4-Nitrophenyl)diazonium 4-Methylbenzenesulfonate; 1-(4-Nitrophenyl)diazonium 4-Methylbenzenesulfonate; p-Nitrobenzenediazonium p-Toluenesulfonate
EINECS	217-761-4

Quality Control

Our 4-Nitrobenzenediazonium Toluene-4-Sulphonate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed to confirm identity, purity, and conformance to established specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This compound is strictly light-sensitive and easily oxidized; it should be handled and stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Solubility	Soluble in polar organic solvents (e.g., DMF, DMSO)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.