Description

4-[Bis[4-(Diethylamino)Phenyl]Methyl]Naphthalene-2,7-Disulphonic Acid is a specialized organic compound belonging to the class of triarylmethane derivatives, distinguished by its functionalized naphthalene core and multiple sulphonic acid groups. This compound matters as a key intermediate and functional material, offering unique optical and electronic properties due to its extended conjugated system and strong electron-donating diethylamino groups. It is primarily needed by manufacturers and researchers in the advanced materials, specialty dyes, and organic electronics sectors for developing functional chromophores and charge-transport materials.

Application

• Functional Dye Intermediate: A critical precursor for synthesizing high-performance triarylmethane and polymethine dyes used in textiles, inks, and specialty coatings.
• Optical Material Synthesis: Used in the development of non-linear optical (NLO) materials, fluorescent probes, and photoinitiators due to its distinct light-absorbing characteristics.
• Electrochromic and Photochromic Devices: Serves as a building block for materials in smart windows, displays, and optical switches where reversible color change is required.
• Chemical Sensing and Imaging: Employed in the design of chemosensors and bio-imaging agents, leveraging its potential for pH sensitivity or metal ion binding.
• Academic and Industrial Research: A valuable reagent for organic synthesis and materials science research focused on novel conjugated systems and sulfonated polymers.

Basic Information

Product Name	4-[Bis[4-(Diethylamino)Phenyl]Methyl]Naphthalene-2,7-Disulphonic Acid
CAS No.	67828-32-4
Molecular Formula	C₃₃H₄₀N₂O₆S₂
Molecular Weight	624.81 g/mol
Synonyms	4-[Bis[4-(diethylamino)phenyl]methyl]naphthalene-2,7-disulfonic acid; 2,7-Naphthalenedisulfonic acid, 4-[bis[4-(diethylamino)phenyl]methyl]-; Naphthalene-2,7-disulfonic acid, 4-[bis[4-(diethylamino)phenyl]methyl]-; 4-[Bis(4-diethylaminophenyl)methyl]naphthalene-2,7-disulphonic acid; Light Green SF Yellowish impurity; Victoria Green B related compound; Triarylmethane dye intermediate; FD&C Green No. 2 analogue
EINECS	Contact for details

Quality Control

Our production of 4-[Bis[4-(Diethylamino)Phenyl]Methyl]Naphthalene-2,7-Disulphonic Acid adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) detailing all critical parameters are available upon request to support your quality assurance and regulatory needs.

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). The compound is light-sensitive (store away from light) and hygroscopic (moisture-sensitive); therefore, containers must be kept sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to greenish-yellow powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 5.0 %
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.