2-Diazo-1-Naphthol-4-Sulphonic Acid Sodium Salt (CAS 64173-96-2)
The core water-soluble DNQ salt — a main building block for DNQ-based coating solutions used to manufacture electronic photoresists and converted into sulphonyl chloride for further esterification.
Built for consistent qualification into your process.
Where Orion Freedom 2-1-4 — Sodium Salt is used.
Electronic photoresists
Supplied as a diazonaphthoquinone active for positive photoresist formulations where resolution and clean development matter. Electronic photoresist applications.
DNQ synthesis programmes
Starting material for in-house conversion to sulphonyl chloride and custom DNQ ester building blocks. DNQ-THBP building block.
Packaging, storage and how to order.
Orion Freedom 2-1-4 is supplied as a yellow powder for coating synthesis and downstream DNQ conversion. Trial and production quantities available — contact us for current pack sizes and lead time.
Request a quote or sample of Orion Freedom 2-1-4 — Sodium Salt.
Tell us your plate system, coating line or photoresist process and we'll confirm the right grade, pack size and documentation.