Description

6-Diazo-5,6-Dihydro-5-Oxo-1-Naphthalenesulfonic Acid 2-(2-Methoxyethoxy)Ethyl Ester is a specialized diazonaphthoquinone sulfonate ester, a critical photoactive compound in advanced material science. Its primary value lies in its role as a photoacid generator (PAG) and photosensitizer, enabling precise chemical transformations upon exposure to specific light wavelengths. This high-purity intermediate is essential for manufacturers in the electronics and photoresist industries, where it is used to formulate cutting-edge photopolymers for semiconductor fabrication and high-resolution printing plates.

Application

• Photoresist Formulation: A key component in chemical amplification resists (CARs) for deep-UV (DUV) and extreme-UV (EUV) lithography in semiconductor manufacturing.
• Photoacid Generator (PAG): Serves as a critical acid source in radiation-sensitive polymeric systems, initiating catalytic deprotection or cross-linking reactions upon exposure.
• Printing Plate Production: Used in the photosensitive layers of pre-sensitized plates (PS plates) for offset printing, contributing to high image fidelity and durability.
• Advanced Polymer Synthesis: Acts as a photoinitiator or cross-linking agent in the synthesis of specialty polymers with light-responsive properties.
• Microfabrication & Micropatterning: Enables the creation of precise microstructures in MEMS (Micro-Electro-Mechanical Systems) and other micro-optical devices.
• Research & Development: A valuable reagent for academic and industrial R&D focused on novel photochemical processes and functional materials.

Basic Information

Item	Details
Product Name	6-Diazo-5,6-Dihydro-5-Oxo-1-Naphthalenesulfonic Acid 2-(2-Methoxyethoxy)Ethyl Ester
CAS No.	71550-36-2
Molecular Formula	C15H16N2O7S
Molecular Weight	368.36 g/mol
Synonyms	2-(2-Methoxyethoxy)ethyl 6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate; DNQ Sulfonate Ester; Diazonaphthoquinone Sulfonate Ester; Photosensitive Ester 71550-36-2; Photoactive Sulfonate; PAC Ester (Photoactive Compound Ester); 1,2-Naphthoquinone-2-diazide-5-sulfonic Acid 2-(2-Methoxyethoxy)ethyl Ester; 2,1,5-Diazonaphthoquinone Sulfonate
EINECS	Contact for details

Quality Control

Our production of 6-Diazo-5,6-Dihydro-5-Oxo-1-Naphthalenesulfonic Acid 2-(2-Methoxyethoxy)Ethyl Ester adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability for critical applications. We employ advanced analytical techniques including HPLC, NMR, and FT-IR for identity confirmation and purity verification. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications 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, and well-ventilated area at a controlled room temperature (15-25°C). This compound is light-sensitive (store away from light). Keep away from heat sources and incompatible materials. For long-term storage, consider inert gas purging to maintain stability.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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