Description

4-[Bis[4-(Diethylamino)Phenyl]Methyl]Benzene-1,3-Disulphonic Acid is a specialized organic intermediate featuring a triarylmethane core functionalized with diethylamino groups and disulphonic acid moieties. This unique structure makes it a valuable precursor for the synthesis of functional dyes, optical brighteners, and advanced materials. It is primarily sought by manufacturers in the fine chemical, specialty dye, and advanced polymer industries for research and production applications.

Application

• Key intermediate in the synthesis of triarylmethane dyes and pigments.
• Precursor for the production of optical brightening agents (OBAs) used in paper, textiles, and detergents.
• Building block for functional polymers and advanced materials requiring specific chromophoric or ionic properties.
• Used in research and development of photoinitiators and light-sensitive compounds.
• Potential intermediate for liquid crystal displays (LCDs) and other electronic materials.
• Starting material for biological staining agents and diagnostic reagents.
• Component in the synthesis of corrosion inhibitors and specialty surfactants.

Basic Information

Product Name	4-[Bis[4-(Diethylamino)Phenyl]Methyl]Benzene-1,3-Disulphonic Acid
CAS No.	21016-37-5
Molecular Formula	C27H35N2O6S2
Molecular Weight	547.71 g/mol
Synonyms	Bis[4-(diethylamino)phenyl][2,4-disulfophenyl]methane; 4-[Bis[4-(diethylamino)phenyl]methyl]benzene-1,3-disulfonic acid; 2,4-Disulfo-4'-(diethylamino)triphenylmethane; Leuco Crystal Violet Disulfonic Acid; Leuco Malachite Green Disulfonic Acid derivative; LCV-DS; [4-[Bis[4-(diethylamino)phenyl]methyl]-1,3-benzenedisulfonic acid]
EINECS	Contact for details

Quality Control

Our production of 4-[Bis[4-(Diethylamino)Phenyl]Methyl]Benzene-1,3-Disulphonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay and impurity profiles. We support compliance with global regulatory frameworks including REACH.

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 sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Light yellow to yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 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.