Description

2,5-Diethoxy-4-[(p-Tolyl)Thio]Benzenediazonium Hexafluorophosphate is a specialized diazonium salt compound, valued for its role as a photoacid generator (PAG) and a versatile aryl radical precursor in advanced synthesis. Its primary commercial significance lies in enabling precise chemical transformations under mild, controlled conditions, which is critical for manufacturing consistency and product performance. This high-purity intermediate is essential for industries focused on photoresist formulation for electronics, polymer functionalization, and the synthesis of complex organic molecules.

Application

• Photoresist and Photoacid Generator (PAG): A key component in chemically amplified photoresists for semiconductor and microelectronics fabrication, where it generates acid upon exposure to light to drive patterning reactions.
• Organic Synthesis & Arylation: Serves as a stable, shelf-stable source of aryl diazonium ions for Sandmeyer-type reactions, azo coupling, and as a precursor to aryl radicals for C-H functionalization and cross-coupling.
• Polymer Modification: Used to graft functional aryl groups onto polymer backbones to alter surface properties, adhesion, or introduce reactive sites for further chemistry.
• Dye and Pigment Intermediate: Employed in the synthesis of azo dyes and complex organic pigments due to its reactive diazonium group.
• Surface Functionalization: Facilitates the covalent attachment of organic layers to material surfaces (e.g., metals, semiconductors) for sensor development or corrosion inhibition.
• Research & Development: A valuable reagent in academic and industrial R&D for developing new photochemical processes and catalytic methodologies.

Basic Information

Product Name	2,5-Diethoxy-4-[(p-Tolyl)Thio]Benzenediazonium Hexafluorophosphate
CAS No.	38686-70-3
Molecular Formula	C17H20N2O2SF6P
Molecular Weight	470.38 g/mol
Synonyms	4-[(4-Methylphenyl)thio]-2,5-diethoxybenzenediazonium hexafluorophosphate; p-Tolyl 2,5-diethoxy-4-benzenediazonium hexafluorophosphate thioether; Diazonium salt PAG; 2,5-Diethoxy-4-(p-tolylthio)benzenediazonium PF6; Benzenediazonium, 2,5-diethoxy-4-[(4-methylphenyl)thio]-, hexafluorophosphate(1-); Light-sensitive diazonium salt; Aryl diazonium hexafluorophosphate
EINECS	Contact for details

Quality Control

Our production of 2,5-Diethoxy-4-[(p-Tolyl)Thio]Benzenediazonium Hexafluorophosphate adheres to stringent quality protocols to ensure batch-to-batch consistency and high reactivity. Each lot is characterized using advanced analytical techniques including HPLC, NMR (1H, 19F, 31P), and FT-IR to confirm identity and purity. Comprehensive Certificates of Analysis (COA) detailing assay, impurity profile, and physical properties are 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, and well-ventilated place at temperatures between 2°C and 8°C (refrigerated) for long-term stability. This compound is light-sensitive (store away from light) and moisture-sensitive. Allow the container to reach ambient temperature before opening to prevent condensation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Solubility	Soluble in acetonitrile, DMF, DMSO

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