Description

Ethyl 6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate is a specialized diazonaphthoquinone sulfonate ester, a key photochemical intermediate in advanced material synthesis. This compound is valued for its precise reactivity profile, enabling the development of high-performance functional materials. It is primarily utilized by research institutions and industrial manufacturers in the photoresist, specialty polymer, and fine chemical synthesis sectors.

Application

• Photoresist Formulation: Acts as a critical photoactive compound (PAC) in the production of advanced positive-tone photoresists for semiconductor and microelectronics manufacturing.
• Specialty Polymer Synthesis: Serves as a functional monomer or cross-linking agent in the development of light-sensitive polymers and advanced coatings.
• Organic Synthesis Intermediate: Used as a versatile building block for synthesizing complex naphthalene derivatives, dyes, and pharmaceutical intermediates.
• Advanced Material Research: Employed in academic and industrial R&D for creating novel photo-responsive materials and studying photochemical reaction mechanisms.
• Printing Plate Production: A key component in the chemical formulation for high-resolution lithographic printing plates.

Basic Information

Product Name	Ethyl 6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate
CAS No.	67749-14-8
Molecular Formula	C₁₂H₁₀N₂O₅S
Molecular Weight	294.28 g/mol
Synonyms	Ethyl 6-diazo-5-oxo-5,6-dihydronaphthalene-1-sulfonate; 1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo-, ethyl ester; DNQ Sulfonate Ester; Photoactive Compound (PAC) derivative; Ethyl 1-sulfo-6-diazo-5-oxo-5,6-dihydronaphthalene; Ethyl ester of 6-diazo-5-oxo-5,6-dihydronaphthalene-1-sulfonic acid; Light-sensitive naphthoquinone diazide sulfonate
EINECS	Contact for details

Quality Control

Our production of Ethyl 6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and FTIR to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with every shipment. We support compliance with relevant industry standards for electronic-grade chemicals.

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 light-sensitive nature, containers should be kept in opaque packaging or amber glass. Keep away from heat sources and incompatible materials. For long-term storage, consider inert atmosphere conditions to maximize stability.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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