Description

Naphthoquinone Diazide Ester Derivative CAS NO 134290-56-5 is a specialized photosensitive compound belonging to the diazonaphthoquinone (DNQ) family, a critical class of chemicals in advanced material science. Its primary value lies in its ability to act as a dissolution inhibitor, undergoing a photochemical Wolff rearrangement upon exposure to specific wavelengths of light. This property makes it indispensable for industries requiring high-precision patterning and imaging. Key industrial users include manufacturers of photoresists for semiconductor fabrication, advanced printing plates, and other photoactive polymeric systems.

Application

• Photoresist Formulations: A key component in positive-tone photoresists for semiconductor manufacturing and microelectronics.
• Printing Plate Production: Used in the photosensitive layer of high-resolution offset printing plates.
• Advanced Lithography: Employed in chemical amplification resist systems for deep-UV and other next-generation lithography processes.
• Photoimageable Coatings: Serves as a photoactive compound (PAC) in coatings for printed circuit boards (PCBs) and micro-optics.
• Polymer Modification: Used to impart photosensitivity to various polymers for specialized applications.
• Research & Development: A vital reagent in academic and industrial R&D for developing new photofunctional materials.

Basic Information

Item	Detail
Product Name	Naphthoquinone Diazide Ester Derivative
CAS No.	134290-56-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	DNQ Ester Derivative; Diazonaphthoquinone Sulfonate Ester; Photosensitive DNQ Compound; NQD Derivative; Photoactive Compound (PAC); Naphthoquinone-1,2-diazide-5-sulfonic Acid Ester (varies by substitution); Positive Photoresist Component
EINECS	Contact for details

Quality Control

Our Naphthoquinone Diazide Ester Derivative is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity, which is critical for photoresist performance. Quality is verified through a battery of 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, and well-ventilated place. Due to its strictly light-sensitive and hygroscopic nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) at a recommended temperature of 2-8°C for long-term stability. Allow the sealed container to reach room temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	Yellow to light brown powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Moisture Content (KF)	≤ 0.5%
Photosensitivity	Conforms to reference standard
Solubility	Soluble in common photoresist solvents (e.g., PGMEA, Ethyl Lactate)

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