Description

Methyl 6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate is a specialized diazonaphthoquinone sulfonate derivative, a key photochemical intermediate in advanced material synthesis. This compound matters for its role as a critical precursor in the production of high-performance photoactive compounds and functional polymers. It is primarily needed by manufacturers in the electronics and specialty chemical industries for applications such as photoresist formulations and advanced organic synthesis.

Application

• Photoresist Formulations: A critical photoactive component (PAC) in the production of positive-tone photoresists for semiconductor and microelectronics manufacturing.
• Advanced Organic Synthesis: Serves as a versatile diazo transfer reagent and building block for synthesizing complex heterocyclic compounds and functional dyes.
• Polymer Science: Used in the development of photo-crosslinkable polymers and functional materials with tailored optical properties.
• Chemical Amplification Systems: Employed in chemically amplified resist (CAR) systems for deep-UV and other advanced lithography processes.
• Research & Development: A valuable tool in academic and industrial R&D for exploring novel photochemical reactions and material properties.

Basic Information

Product Name	Methyl 6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate
CAS No.	59297-04-0
Molecular Formula	C₁₁H₈N₂O₅S
Molecular Weight	280.26 g/mol
Synonyms	6-Diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonic Acid Methyl Ester; Methyl 6-Diazo-5-oxo-5,6-dihydro-1-naphthalenesulfonate; DNQ Sulfonate Ester; Photoactive Compound (PAC) Derivative; 1,2-Naphthoquinonediazide-5-sulfonic Acid Methyl Ester (related compound); Methyl 1,2-Naphthoquinone-2-diazide-5-sulfonate (common name); Methyl Ester of 1,2-Naphthoquinonediazide-5-sulfonic Acid; NQD Sulfonate Ester
EINECS	Contact for details

Quality Control

Our Methyl 6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate is produced under strict quality management systems to ensure batch-to-batch consistency and high purity, meeting the stringent requirements of the electronics industry. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards and can support customer-specific qualification processes.

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 or amber packaging. 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	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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