Description

4-(tert-Butyl)Phenyl 6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate is a specialized diazonaphthoquinone sulfonate derivative, a key photochemical intermediate valued for its precise reactivity under light exposure. This compound is engineered for applications requiring high-purity, light-sensitive components to ensure consistent performance and yield. It is primarily utilized by manufacturers in the electronics and advanced materials sectors for photoresist formulations and other photoactive polymer systems.

Application

• Photoresist Formulations: A critical photoactive compound (PAC) in the production of positive photoresists for semiconductor and microelectronics manufacturing.
• Advanced Lithography: Used in the development of high-resolution lithographic materials for printed circuit boards (PCBs) and integrated circuits.
• Polymer Modification: Acts as a photo-crosslinking or photo-decomposing agent in specialty polymer synthesis and functional coatings.
• Chemical Synthesis: Serves as a versatile diazo transfer reagent or precursor in the synthesis of complex organic molecules and dyes.
• Research & Development: Employed in academic and industrial R&D for studying photochemical reactions and developing new photoactive materials.

Basic Information

Product Name	4-(tert-Butyl)Phenyl 6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate
CAS No.	31600-99-4
Molecular Formula	C20H18N2O4S
Molecular Weight	382.43 g/mol
Synonyms	4-tert-Butylphenyl 6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate; 4-(1,1-Dimethylethyl)phenyl 6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate; 6-Diazo-5,6-dihydro-5-oxonaphthalene-1-sulfonic acid 4-tert-butylphenyl ester; DNQ Sulfonate Ester; Photoactive Compound (PAC); Diazonaphthoquinone Sulfonate; 31600-99-4
EINECS	Contact for details

Quality Control

Our production of 4-(tert-Butyl)Phenyl 6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate adheres to stringent quality protocols to guarantee batch-to-batch consistency and high purity, which is critical for photolithographic performance. Every lot is analyzed using advanced techniques like HPLC and NMR to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and performance-related tests is provided with each shipment to support your quality assurance 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, handling and storage must minimize exposure to light to prevent decomposition. Keep away from incompatible materials such as strong bases and reducing agents.

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%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Solubility	Soluble in common organic solvents (e.g., acetone, THF)

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