Description

3-[2,4-Bis(Dimethylamino)Phenyl]-3-[4-(Diethylamino)-o-Tolyl]Phthalide is a specialized organic compound belonging to the phthalide class, known for its role as a key precursor in advanced material synthesis. Its molecular structure, featuring multiple amino substituents, is engineered to impart specific chromogenic and electronic properties in high-performance applications. This compound is essential for manufacturers and R&D laboratories in the thermochromic and photochromic materials, specialty dyes, and advanced organic electronics sectors seeking precise and reliable chemical intermediates.

Application

This compound serves as a critical functional material in several advanced industrial and research domains:

• Thermochromic Pigment & Ink Production: A vital leuco dye precursor for manufacturing color-changing materials used in smart packaging, security printing, and temperature-sensitive indicators.
• Photochromic Material Synthesis: Used in the development of lenses, optical filters, and smart windows that change color upon exposure to UV light.
• Specialty Dye & Colorant Intermediates: Serves as a building block for creating high-value, complex dyes with specific light-fastness and hue properties.
• Organic Electronics & Optoelectronics: Investigated for use in the synthesis of organic semiconductors, light-emitting diodes (OLEDs), and sensors due to its electron-donating amino groups.
• Chemical Sensing & Detection Systems: Employed in the formulation of chemical sensors where its color change properties can indicate the presence of specific analytes.
• Research & Development: A key reagent for academic and industrial R&D focused on novel chromic materials, molecular switches, and functional organic compounds.

Basic Information

Product Name	3-[2,4-Bis(Dimethylamino)Phenyl]-3-[4-(Diethylamino)-o-Tolyl]Phthalide
CAS No.	52830-80-5
Molecular Formula	C31H38N4O2
Molecular Weight	498.66 g/mol
Synonyms	3-[2,4-Bis(dimethylamino)phenyl]-3-[4-(diethylamino)-2-methylphenyl]-1(3H)-isobenzofuranone; 3,3-Bis(4-diethylamino-2-methylphenyl)-6-dimethylaminophthalide; 3-[2,4-Bis(dimethylamino)phenyl]-3-[4-(diethylamino)-2-methylphenyl]phthalide; 3-[2,4-Bis(dimethylamino)phenyl]-3-[4-(diethylamino)-o-tolyl]-1(3H)-isobenzofuranone; Thermochromic Leuco Dye Precursor; ODB-2 Precursor (related compound); CVL Derivative (Crystal Violet Lactone derivative).
EINECS	Contact for details

Quality Control

Our production of 3-[2,4-Bis(Dimethylamino)Phenyl]-3-[4-(Diethylamino)-o-Tolyl]Phthalide adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for demanding applications. Each lot undergoes comprehensive analysis, including HPLC for purity assessment and spectroscopic identification (IR, NMR). We provide full traceability and Certificates of Analysis (COA) are available upon request, detailing all relevant specifications to support your quality assurance and regulatory compliance 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). This material is light-sensitive and easily oxidized; prolonged exposure to light, air, or elevated temperatures should be avoided to maintain stability and performance. For long-term storage, consider using an inert atmosphere.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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