Description

Phenyl 6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate is a specialized diazonaphthoquinone sulfonate derivative, a critical photochemical intermediate valued for its precise reactivity under light exposure. This compound is essential for applications requiring high-resolution pattern formation and controlled chemical transformations. It is primarily utilized by manufacturers in the electronics, advanced photoresist, and specialty chemical synthesis sectors.

Application

• Photoresist Formulation: A key photoactive compound (PAC) in the production of high-performance positive photoresists for semiconductor and microelectronics fabrication.
• Lithographic Chemicals: Used in the formulation of advanced printing plates and other lithographic materials requiring precise photochemical curing.
• Photoacid Generator (PAG): Acts as a precursor in systems designed to generate acids upon UV irradiation for catalytic processes.
• Specialty Polymer Synthesis: Serves as a functional monomer or cross-linking agent in the synthesis of light-sensitive polymers and coatings.
• Research & Development: Employed in academic and industrial R&D for studying photochemical reactions and developing new photoresist technologies.
• Fine Chemical Intermediate: Used in the multi-step synthesis of complex organic molecules, dyes, and functional materials.

Basic Information

Product Name	Phenyl 6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate
CAS No.	23295-00-3
Molecular Formula	C₁₆H₁₀N₂O₄S
Molecular Weight	326.33 g/mol
Synonyms	6-Diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonic Acid Phenyl Ester; 2-Diazo-1-naphthol-4-sulfonate Phenyl Ester; DNQ Sulfonate Ester; Photoactive Compound; PAC; Phenyl 2-Diazo-1-oxo-1,2-dihydronaphthalene-4-sulfonate; 1,2-Naphthoquinone-2-diazide-4-sulfonic Acid Phenyl Ester; 23295-00-3
EINECS	Contact for details

Quality Control

Every batch of Phenyl 6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate is manufactured and tested under strict quality management systems. We ensure compliance with relevant industry standards for high-purity photochemical intermediates. Comprehensive analytical testing, including HPLC for purity and identity confirmation, is performed. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its strictly light-sensitive nature, all handling and storage must be performed under conditions that protect the material from all light exposure to maintain stability and efficacy.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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