Description

3-Benzoyl-6-Hydroxy-1,2-Phenylene Bis(6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate) is a specialized diazonaphthoquinone sulfonate derivative, a critical class of compounds valued for their photoactive properties. This compound matters for its role as a high-performance photoacid generator (PAG) and a key component in advanced photoresist formulations. Industrial and research chemists need it for the development and manufacturing of microelectronics, printed circuit boards (PCBs), and other photolithographic applications where precise pattern generation is paramount.

Application

• Photoresist Formulations: Acts as a primary photoactive compound (PAC) in chemically amplified and novolac-based photoresists for semiconductor and microelectronics fabrication.
• Printed Circuit Board (PCB) Manufacturing: Used in photoresist inks and films for creating precise conductive pathways on PCB substrates.
• Lithographic Plate Production: A key ingredient in coatings for offset printing plates, enabling high-resolution image formation.
• Advanced Material Synthesis: Serves as a versatile intermediate or cross-linking agent in the synthesis of photosensitive polymers and functional materials.
• Microfabrication & MEMS: Enables the patterning of micro-electromechanical systems (MEMS) and other microscale devices.
• Optical Data Storage: Potential application in the development of materials for high-density optical recording media.

Basic Information

Product Name	3-Benzoyl-6-Hydroxy-1,2-Phenylene Bis(6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate)
CAS No.	75578-77-7
Molecular Formula	C39H22N4O11S2
Molecular Weight	786.74 g/mol
Synonyms	1,2-Dihydroxy-3-benzoylbenzene bis(6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate); DNQ Sulfonate Ester; Photoactive Compound (PAC); Diazonaphthoquinone Sulfonate Ester; Photoacid Generator (PAG) Precursor; Benzophenone-based Diazonaphthoquinone; 2,3,4-Trihydroxybenzophenone bis(1,2-naphthoquinonediazide-5-sulfonate); 2,3,4-Trihydroxybenzophenone-1,2-naphthoquinonediazide-5-sulfonate ester
EINECS	Contact for details

Quality Control

Our production of 3-Benzoyl-6-Hydroxy-1,2-Phenylene Bis(6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate) adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability for critical photolithographic processes. Each lot undergoes rigorous analytical testing, including HPLC for purity and assay, FT-IR for structural confirmation, and UV-Vis spectroscopy to verify photoactive characteristics. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

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 material is light-sensitive (store away from light). Keep away from heat sources and incompatible materials. For long-term storage, consider inert atmosphere conditions to maximize shelf life.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Assay	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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