Description

4-Benzoyl-2-Hydroxy-1,3-Phenylene Bis(6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate) is a specialized diazonaphthoquinone (DNQ) derivative, a critical class of compounds in advanced photoresist formulations. This product matters for its role as a high-performance photoactive compound (PAC), enabling precise pattern transfer in microelectronics manufacturing. Industrial R&D and production teams in the semiconductor and advanced photopolymer sectors require this chemical for developing next-generation photolithography materials.

Application

• As a key photoactive component (PAC) in chemical amplification and g/i-line photoresists for semiconductor fabrication.
• In the formulation of high-resolution photoresists used for integrated circuits (ICs) and microelectromechanical systems (MEMS).
• For research and development of novel photopolymer systems requiring specific dissolution inhibition properties.
• As a specialty chemical intermediate in synthesizing advanced, custom photoactive compounds.
• In the production of printing plates and other imaging materials that rely on photo-induced chemical changes.
• For analytical and QC reference standards in photoresist manufacturing and quality control laboratories.

Basic Information

Product Name	4-Benzoyl-2-Hydroxy-1,3-Phenylene Bis(6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate)
CAS No.	93965-14-1
Molecular Formula	C34H18N4O11S2
Molecular Weight	722.66 g/mol
Synonyms	2,2'-((4-Benzoyl-2-hydroxy-1,3-phenylene)bis(oxy))bis(6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonic acid); DNQ Photoactive Compound; PAC Derivative; 1,3-Bis(6-diazo-5-oxo-5,6-dihydro-1-naphthalenesulfonyloxy)-5-benzoyl-2-hydroxybenzene; Diazonaphthoquinone Sulfonate Ester; Photoresist Sensitizer; Photoacid Generator Precursor
EINECS	Contact for details

Quality Control

Our production of this high-purity photoactive compound adheres to strict quality management protocols to ensure batch-to-batch consistency critical for photolithography performance. Quality is verified through advanced analytical techniques including HPLC, NMR, and FT-IR. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and performance-related specifications is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is light-sensitive (store away from light). Keep the container tightly sealed in a dry environment to prevent moisture uptake and decomposition.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Performance Test (UV-Vis)	Conforms to reference

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