Description

4,5,6,7-Tetrachloro-3,3-Bis[4-(Dimethylamino)Phenyl]Phthalide is a specialized organic compound belonging to the phthalide class, known for its unique chromogenic properties. This chemical is a key intermediate in the synthesis of functional dyes and advanced materials, offering precise structural control for high-performance applications. It is primarily utilized by research institutions and industrial manufacturers in the sectors of specialty chemicals, electronics, and analytical reagent development.

Application

• Precursor for Functional Dyes and Pigments: Serves as a critical building block in the synthesis of leuco dyes and color-forming agents.
• Chemical Intermediate for Advanced Materials: Used in the development of photochromic and thermochromic materials for smart coatings and sensors.
• Research and Development Reagent: Employed in academic and industrial R&D for exploring novel organic electronic compounds and molecular switches.
• Specialty Imaging Applications: Potential use in pressure-sensitive and heat-sensitive recording papers and films.
• Analytical Chemistry: May be used as a standard or reagent in specific chromatographic or spectroscopic analytical methods.

Basic Information

Item	Details
Product Name	4,5,6,7-Tetrachloro-3,3-Bis[4-(Dimethylamino)Phenyl]Phthalide
CAS No.	73517-30-3
Molecular Formula	C30H24Cl4N2O2
Molecular Weight	594.34 g/mol
Synonyms	3,3-Bis[4-(Dimethylamino)phenyl]-4,5,6,7-tetrachlorophthalide; 4,5,6,7-Tetrachloro-3,3-bis(p-dimethylaminophenyl)phthalide; 3,3-Bis(4-dimethylaminophenyl)-4,5,6,7-tetrachlorophthalide; Tetrachlorophenolphthalein dimethylamino derivative; Leuco dye intermediate 73517-30-3; Phthalide-based chromogen; 4,5,6,7-Tetrachloro-3,3-bis(4-(N,N-dimethylamino)phenyl)-1(3H)-isobenzofuranone
EINECS	Contact for details

Quality Control

Our production of 4,5,6,7-Tetrachloro-3,3-Bis[4-(Dimethylamino)Phenyl]Phthalide adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment 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 room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, handling and transfer should be minimized under direct light exposure.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
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.