Description

4-Diazenyl-3-Hydroxy-8-Nitro-1-Naphthalenesulfonic Acid is a specialized naphthalene derivative that serves as a key synthetic intermediate in advanced organic chemistry. Its unique structure, featuring diazenyl, nitro, and sulfonic acid functional groups, makes it a versatile precursor for the development of dyes, pigments, and functional materials. This compound is primarily utilized by research institutions and industrial manufacturers in the fine chemical, specialty dye, and advanced material synthesis sectors.

Application

• Dye and Pigment Intermediate: A crucial building block for synthesizing azo dyes and complex organic pigments, particularly for high-performance applications.
• Chemical Research & Development: Used as a model compound or precursor in academic and industrial R&D for novel material discovery.
• Functional Material Synthesis: Serves as a monomer or intermediate in the production of specialty polymers, liquid crystals, or photoactive materials.
• Analytical Chemistry: Potential use as a reagent or standard in chromatographic analysis or spectroscopic studies due to its distinct chromophore.
• Pharmaceutical Intermediate: May be employed in the multi-step synthesis of complex drug molecules requiring a functionalized naphthalene scaffold.

Basic Information

Product Name	4-Diazenyl-3-Hydroxy-8-Nitro-1-Naphthalenesulfonic Acid
CAS No.	70179-81-6
Molecular Formula	C₁₀H₇N₃O₆S
Molecular Weight	297.25 g/mol
Synonyms	8-Nitro-4-diazenyl-3-hydroxy-1-naphthalenesulfonic acid; 1-Naphthalenesulfonic acid, 4-diazenyl-3-hydroxy-8-nitro-; 4-Hydroxy-5-(phenylazo)-2,7-naphthalenedisulfonic acid (related compound); Azo dye intermediate 70179-81-6; 4-Diazenyl-3-hydroxy-8-nitronaphthalene-1-sulfonate; 3-Hydroxy-8-nitro-4-diazenylnaphthalene-1-sulfonic acid
EINECS	Contact for details

Quality Control

Our production of 4-Diazenyl-3-Hydroxy-8-Nitro-1-Naphthalenesulfonic Acid adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong bases and reducing agents. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Standard Grade)
Loss on Drying	≤ 2.0 %
Residue on Ignition	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm

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