Description

2-Diazo-1-Naphtol-5-Sulphonic Acid is a specialized diazonium compound primarily utilized as a key intermediate in the synthesis of dyes and pigments. Its value lies in its ability to form stable, colored complexes, making it essential for producing high-performance colorants. This chemical is critically needed by manufacturers in the dye and pigment industries, as well as by research institutions developing advanced imaging and photoresist materials.

Application

• Primary intermediate in the manufacture of azo dyes and pigments.
• Key component in the synthesis of light-sensitive materials for photographic and imaging applications.
• Used in the production of colorants for textiles, inks, and plastics.
• Precursor for specialty chemicals used in analytical chemistry and research.
• Potential use in the development of photoresists for the electronics industry.

Basic Information

Product Name	2-Diazo-1-Naphtol-5-Sulphonic Acid
CAS No.	23890-27-9
Molecular Formula	C₁₀H₆N₂O₄S
Molecular Weight	250.23 g/mol
Synonyms	2-Diazo-1-naphthol-5-sulfonic acid; 5-Sulfo-1,2-naphthoquinone 2-diazide; 1,2-Naphthoquinone-2-diazide-5-sulfonic acid; DNQ Sulfonic Acid; Diazonaphthoquinone Sulfonic Acid; 2-Diazo-1(2H)-naphthalenone-5-sulfonic acid; Light Sensitive Diazo Compound
EINECS	Contact for details

Quality Control

Our 2-Diazo-1-Naphtol-5-Sulphonic Acid undergoes rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing purity, identity, and impurity profiles to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling should be conducted under subdued lighting or yellow light conditions where appropriate.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 2.0%
Solubility	Soluble in alkaline aqueous solutions

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