Description

2,4-Dichlorophenyl 6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate is a specialized diazonaphthoquinone sulfonate ester, a high-value intermediate in advanced organic synthesis. This compound is critically important for its role as a photoactive component in the formulation of high-resolution photoresists used in semiconductor and microelectronics manufacturing. It is primarily required by R&D chemists and production specialists in the photolithography, advanced material science, and fine chemical synthesis sectors seeking precise control over light-induced chemical reactions.

Application

• Photoresist Formulation: Serves as a key Photoactive Compound (PAC) in positive-tone photoresists for semiconductor lithography and micro-fabrication.
• Advanced Material Synthesis: Used as a precision building block in the synthesis of complex organic molecules and functional polymers.
• Printing Plate Production: Employed in the manufacture of high-performance printing plates for the graphic arts industry.
• Photo-Crosslinking Agent: Functions as a crosslinking initiator in UV-curable coatings, inks, and adhesives.
• Research & Development: A valuable reagent in academic and industrial R&D for studying diazo chemistry and photochemical processes.
• Optical Material Development: Used in the development of novel materials with specific light-responsive properties.

Basic Information

Product Name	2,4-Dichlorophenyl 6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate
CAS No.	94202-18-3
Molecular Formula	C16H8Cl2N2O4S
Molecular Weight	395.21 g/mol
Synonyms	2,4-Dichlorophenyl 6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate; 6-Diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonic Acid 2,4-Dichlorophenyl Ester; DNQ Sulfonate Ester; Photoactive Compound (PAC); Diazonaphthoquinone Sulfonate; 2,4-Dichlorophenyl Ester of 1,2-Naphthoquinonediazide-5-sulfonic Acid; 1,2-Naphthoquinonediazide-5-sulfonyl Chloride 2,4-Dichlorophenyl Ester Derivative
EINECS	Contact for details

Quality Control

Every batch of 2,4-Dichlorophenyl 6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate is manufactured and tested under strict quality management systems to ensure consistency and purity for sensitive applications like photolithography. Our products undergo rigorous quality testing, including advanced chromatographic analysis, to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

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). This material is light-sensitive (store away from light) and should be handled under appropriate conditions to prevent premature decomposition. Keep container tightly sealed when not in use to exclude moisture.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (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.