Description

3,3-Bis[4-(Dimethylamino)Phenyl]Phthalide is a key organic chemical intermediate belonging to the phthalide class of compounds. Its unique molecular structure, featuring electron-donating dimethylamino groups, makes it a valuable precursor in the synthesis of functional dyes and specialty polymers. This compound is primarily sought after by manufacturers in the chemical synthesis, specialty materials, and research and development sectors for its role in creating advanced colorants and electronic materials.

Application

• Precursor for Leuco Dyes: A fundamental building block in the production of leuco dyes, which are used in thermal and pressure-sensitive papers.
• Functional Dye Synthesis: Serves as an intermediate for synthesizing triphenylmethane and other chromogenic dyes with applications in textiles and inks.
• Electrochromic Materials: Used in research and development of electrochromic devices and smart windows due to its reversible color-changing properties.
• Chemical Sensing: Employed in the development of chemical sensors and indicators that respond to pH changes or specific analytes.
• Academic & Industrial Research: A vital reagent for organic synthesis and material science research in university and corporate R&D laboratories.
• Specialty Polymer Additive: Investigated for use as a functional monomer or additive to impart specific optical properties to polymers.

Basic Information

Product Name	3,3-Bis[4-(Dimethylamino)Phenyl]Phthalide
CAS No.	5339-80-0
Molecular Formula	C26H28N2O2
Molecular Weight	400.52 g/mol
Synonyms	3,3-Bis(p-dimethylaminophenyl)phthalide; 3,3-Bis(4-dimethylaminophenyl)phthalide; Crystal Violet Lactone (CVL) base; Leuco Crystal Violet Lactone; 3,3-Bis(4-(N,N-dimethylamino)phenyl)-1(3H)-isobenzofuranone; 2-(4-Dimethylaminophenyl)-2-(4-dimethylaminophenyl)methylbenzoic acid lactone; 3,3-Bis(4-(dimethylamino)phenyl)-1(3H)-isobenzofuranone; CVL
EINECS	226-248-1

Quality Control

Our 3,3-Bis[4-(Dimethylamino)Phenyl]Phthalide is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for sensitive synthesis applications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality for your R&D and production 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 such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	178 - 182 °C
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.