Description

2-(4-Nitrophenyl)-2H-Naphtho[1,2-D]Triazole-5-Sulfonic Acid Sodium Salt is a high-purity, functionalized naphthotriazole derivative valued for its photophysical properties and role as a key synthetic intermediate. This compound is essential for researchers and manufacturers requiring precise chemical building blocks for advanced material synthesis. It is primarily utilized in the development of optical brighteners, specialty dyes, and as a precursor in organic electronic materials.

Application

• Optical Brightening Agent (OBA) Synthesis: A critical intermediate in the production of high-performance fluorescent whitening agents for paper, textiles, and plastics.
• Specialty Dye & Pigment Manufacturing: Serves as a key precursor for creating light-fast and vivid dyes used in inks, coatings, and colorants.
• Organic Electronics: Used in research and development of organic light-emitting diodes (OLEDs) and other electronic materials due to its electron-transport and luminescent characteristics.
• Photographic Chemicals: Employed in the synthesis of compounds for specialized photographic and imaging applications.
• Analytical Chemistry & Research: Functions as a fluorescent probe or a standard in analytical method development and photochemical studies.
• Polymer Additives: Incorporated into polymers to impart specific optical or stabilizing properties.

Basic Information

Product Name	2-(4-Nitrophenyl)-2H-Naphtho[1,2-D]Triazole-5-Sulfonic Acid Sodium Salt
CAS No.	72102-77-3
Molecular Formula	C18H11N4NaO5S
Molecular Weight	418.36 g/mol
Synonyms	5-Sulfo-2-(4-nitrophenyl)-2H-naphtho[1,2-d]triazole sodium salt; Sodium 2-(4-nitrophenyl)-2H-naphtho[1,2-d]triazole-5-sulfonate; 2-(p-Nitrophenyl)-2H-naphtho[1,2-d]triazole-5-sulfonic acid sodium salt; Naphtho[1,2-d]triazole-5-sulfonic acid, 2-(4-nitrophenyl)-, sodium salt; Fluorescent Brightener intermediate; OBA Intermediate; NTSS
EINECS	Contact for details

Quality Control

Our 2-(4-Nitrophenyl)-2H-Naphtho[1,2-D]Triazole-5-Sulfonic Acid Sodium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.