Description

2-(4-Aminophenyl)-2H-Naphtho[1,2-D]Triazole-6,8-Disulphonic Acid is a high-purity, functionalized triazole derivative characterized by its sulfonic acid groups and aromatic amine functionality. This compound is a critical intermediate and building block for synthesizing advanced materials, particularly in the production of optical brighteners, dyes, and specialty polymers. It is essential for manufacturers and R&D laboratories in the fine chemicals, specialty dyes, and advanced material sectors seeking to develop products with enhanced light-absorbing or fluorescent properties.

Application

• Optical Brightener Intermediate: A key precursor in the synthesis of high-performance optical brightening agents (OBAs) and fluorescent whitening agents (FWAs) for paper, textiles, and plastics.
• Dye and Pigment Synthesis: Serves as a crucial building block for creating azo dyes, acid dyes, and other complex colorants with specific light-fastness and solubility properties.
• Polymer Additive: Used to incorporate UV-stabilizing or light-absorbing functionalities into specialty polymers and coatings to prevent degradation.
• Analytical Chemistry Reagent: Employed as a derivatization agent or a standard in chromatographic analysis and spectroscopic studies.
• Pharmaceutical Intermediate: Potential use in the research and development of active pharmaceutical ingredients (APIs) with specific heterocyclic structures.
• Liquid Crystal and OLED Material Research: Investigated as a component in the development of organic light-emitting diodes (OLEDs) and liquid crystal displays (LCDs) due to its conjugated system.

Basic Information

Product Name	2-(4-Aminophenyl)-2H-Naphtho[1,2-D]Triazole-6,8-Disulphonic Acid
CAS No.	63251-40-1
Molecular Formula	C₁₇H₁₂N₄O₆S₂
Molecular Weight	432.43 g/mol
Synonyms	2-(4-Aminophenyl)-2H-naphtho[1,2-d][1,2,3]triazole-6,8-disulfonic acid; 6,8-Disulfo-2-(4-aminophenyl)-2H-benzotriazole; 2-(4-Aminophenyl)-2H-benzotriazole-6,8-disulfonic acid; Naphthotriazole disulfonic acid derivative; Aminophenylnaphthotriazole disulfonate; UV Absorber Intermediate; Optical Brightener Precursor; CAS 63251-40-1
EINECS	Contact for details

Quality Control

Our production of 2-(4-Aminophenyl)-2H-Naphtho[1,2-D]Triazole-6,8-Disulphonic Acid adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and titration for functional group analysis. We provide Certificates of Analysis (COA) with detailed specifications to ensure traceability and compliance with your research or manufacturing requirements. Our commitment is to deliver consistent high-purity material batch after batch.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed when not in use to prevent absorption of atmospheric moisture and degradation.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual ≤ 0.5%, Total ≤ 1.5%

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