Sodium 2-diazo-1-naphthol-5-sulfonate
Sodium 2-diazo-1-naphthol-5-sulfonate is a yellow-to-orange, water-soluble diazo compound used as a photosensitive material in photoresist-related applications and as an intermediate in azo dye manufacture. Commonly referenced as NAS-5, it is relevant to imaging, printing, and pattern-development workflows that rely on naphthalene-diazo chemistry.
Sodium 2-diazo-1-naphthol-5-sulfonate is a yellow-to-orange, water-soluble diazo compound used as a photosensitive material in photoresist-related applications and as an intermediate in azo dye manufacture. Commonly referenced as NAS-5, it is relevant to imaging, printing, and pattern-development workflows that rely on naphthalene-diazo chemistry.
Technical Overview
Sodium 2-diazo-1-naphthol-5-sulfonate – CAS 2657-00-3
Sodium 2-diazo-1-naphthol-5-sulfonate / Sodium 6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate
CAS Number
2657-00-3
Category
Electronic chemicals
Molecular Formula
C10H5N2NaO4S
Molecular Weight
272.21
Synonyms
NAS-5,1,2-Naphthoquinone-2-diazide-5-sulfonic acid sodium salt,Sodium 6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate,Sodium 2-diazo-1-hydroxynaphthalene-5-sulfonate,Sodium 6-diazonio-5-oxidonaphthalene-1-sulfonate
Description
Sodium 2-diazo-1-naphthol-5-sulfonate is a yellow-to-orange, water-soluble diazo compound used as a photosensitive material in photoresist-related applications and as an intermediate in azo dye manufacture. Commonly referenced as NAS-5, it is relevant to imaging, printing, and pattern-development workflows that rely on naphthalene-diazo chemistry.
Applications
- Photosensitive material for photoresist systems in electronics and printing
- Intermediate in azo dye manufacturing
- Coupling component in dye synthesis workflows
Specifications
Handling & Supply Details
Hazard Classification
Dangerous good for transport; avoid contact with strong oxidizing agents, metal salts, peroxides, and sulfides.
Storage Conditions
Sensitive to light and heat; store under cold and dark conditions. Material may be supplied as a hydrate.
Packaging
25 kg fiber drum or HDPE drum with inner liner
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