Description

Thiodi-1,4-Phenylene Bis(6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate) is a specialized diazonaphthoquinone sulfonate ester, a high-value photochemical intermediate. This compound is critical for applications requiring precise photoactive properties and high chemical purity. It is primarily utilized in the production of advanced photoresists and functional materials within the electronics and specialty chemical manufacturing sectors.

Application

• Photoresist Formulation: A key photoactive compound (PAC) in the production of advanced positive-tone photoresists for semiconductor and microelectronics fabrication.
• Printing Plate Manufacturing: Used in the synthesis of light-sensitive coatings for high-resolution printing plates.
• Advanced Lithography: Serves as a critical component in chemical amplification resists for deep-UV and other next-generation lithography processes.
• Functional Polymer Synthesis: Acts as a photo-crosslinking agent or initiator in the development of specialty polymers with light-responsive properties.
• Optical Material Production: Employed in the research and development of novel optical materials and coatings.
• Chemical Research & Development: A valuable building block for organic synthesis and the development of new photoactive compounds in R&D laboratories.

Basic Information

Product Name	Thiodi-1,4-Phenylene Bis(6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate)
CAS No.	68901-24-6
Molecular Formula	C32H16N4O10S3
Molecular Weight	736.68 g/mol
Synonyms	2,1,4-Diazonaphthoquinone-4-sulfonate of 4,4'-Thiodiphenol; 4,4'-Thiodiphenol Bis(2-diazo-1-oxo-1,2-dihydronaphthalene-5-sulfonate); DNQ Sulfonate Ester of 4,4'-Thiodiphenol; Photoactive Compound (PAC) based on 4,4'-Thiodiphenol; 4,4'-Sulfonyldiphenol Bis(2-diazo-1-naphthoquinone-5-sulfonate); Light Sensitive Ester of 4,4'-Thiodiphenol; 4,4'-Thiodiphenyl Bis(2-diazo-1-oxo-1,2-dihydronaphthalene-5-sulfonate)
EINECS	Contact for details

Quality Control

Our Thiodi-1,4-Phenylene Bis(6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate) is manufactured under strict quality protocols to ensure batch-to-batch consistency and high performance in sensitive photochemical applications. All products undergo rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods. A comprehensive Certificate of Analysis (COA) detailing lot-specific results 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 product is light-sensitive and should be handled under appropriate conditions to prevent premature decomposition. Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystalline solid
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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