Description

6-Diazo-5,6-Dihydro-n-(4-Hydroxyphenyl)-5-Oxonaphthalene-1-Sulphonamide is a specialized diazonaphthalene sulphonamide derivative, a high-value intermediate prized for its unique photochemical and coupling properties. This compound is critical for industries requiring precise molecular synthesis and functional material development. It is primarily utilized in advanced organic synthesis, pharmaceutical research, and the production of specialized dyes and photoactive materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of complex active pharmaceutical ingredients (APIs) and diagnostic agents.
• Photoacid Generator (PAG): Used in advanced photoresist formulations for semiconductor manufacturing and microelectronics.
• Dye & Pigment Synthesis: Acts as a precursor for creating high-performance azo dyes and pigments with specific light-fastness properties.
• Bioconjugation & Labeling: Employed in biochemical research for tagging biomolecules due to its reactive diazo group.
• Polymer Modification: Utilized to introduce sulfonamide and phenolic functionalities into polymer chains for enhanced properties.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new organic reactions and material science.

Basic Information

Product Name	6-Diazo-5,6-Dihydro-n-(4-Hydroxyphenyl)-5-Oxonaphthalene-1-Sulphonamide
CAS No.	67389-43-9
Molecular Formula	C₁₆H₁₁N₃O₄S
Molecular Weight	341.34 g/mol
Synonyms	6-Diazo-5,6-dihydro-5-oxo-N-(4-hydroxyphenyl)-1-naphthalenesulfonamide; 5-Diazo-4,5-dihydro-4-oxo-N-(4-hydroxyphenyl)-1-naphthalenesulfonamide; NSC 339579; 1-Naphthalenesulfonamide, 6-diazo-5,6-dihydro-5-oxo-N-(4-hydroxyphenyl)-; 6-Diazo-5-oxo-5,6-dihydro-1-naphthalenesulfonamide, N-(4-hydroxyphenyl)- derivative; 67389-43-9; Light-sensitive naphthalene sulphonamide derivative
EINECS	Contact for details

Quality Control

Our production of 6-Diazo-5,6-Dihydro-n-(4-Hydroxyphenyl)-5-Oxonaphthalene-1-Sulphonamide adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 2.0%

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