Description

2-(4'-Amino-1,1'-Biphenyl-4-Yl)-2H-Naphtho[1,2-D]Triazole-6,8-Disulfonic Acid Dipotassium Salt is a high-purity, water-soluble organic intermediate with a distinctive functionalized triazole-biphenyl-naphthalene structure. This compound is valued for its ability to act as a versatile building block in the synthesis of advanced materials, particularly for optical applications. It is primarily sought by manufacturers in the specialty chemical, polymer, and advanced material sectors.

Application

• Fluorescent Brightening Agent (FBA) Synthesis: A key intermediate for producing high-performance optical brighteners used in paper, textiles, and plastics.
• Liquid Crystal Display (LCD) Materials: Used in the development of photoalignment layers and other functional components for display technologies.
• Organic Light-Emitting Diodes (OLEDs): Serves as a precursor for electron-transport materials or host materials in emissive layers.
• Dye and Pigment Intermediate: Employed in the synthesis of specialized dyes and pigments requiring high lightfastness and thermal stability.
• Polymer Additives: Can be incorporated into polymers to impart UV-stabilizing or specific optical properties.
• Research & Development: Used in academic and industrial R&D for exploring new organic semiconductors and photonic materials.

Basic Information

Product Name	2-(4'-Amino-1,1'-Biphenyl-4-Yl)-2H-Naphtho[1,2-D]Triazole-6,8-Disulfonic Acid Dipotassium Salt
CAS No.	74239-01-3
Molecular Formula	C29H19KN4O6S2 • K (or C29H18K2N4O6S2)
Molecular Weight	Approx. 668.81 g/mol
Synonyms	2-(4-Aminobiphenyl-4-yl)-2H-naphtho[1,2-d][1,2,3]triazole-6,8-disulfonic acid dipotassium salt; Biphenyl-4,4'-diamine, N-(2H-naphtho[1,2-d]triazol-2-yl)-, 6,8-disulfonic acid, dipotassium salt; Optical Brightener Intermediate; FBA Intermediate 74239-01-3; K salt of naphthotriazole biphenylamine disulfonic acid; Dipotassium 2-(4'-aminobiphenyl-4-yl)-2H-naphtho[1,2-d]triazole-6,8-disulfonate
EINECS	Contact for details

Quality Control

Our production of 2-(4'-Amino-1,1'-Biphenyl-4-Yl)-2H-Naphtho[1,2-D]Triazole-6,8-Disulfonic Acid Dipotassium Salt adheres to a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment.

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 absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%
Solubility (1% in Water)	Clear, yellow solution

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