Description

3,3-Bis[4-(Dimethylamino)Phenyl]-6-(1-Pyrrolidinyl)Phthalide is a specialized organic compound belonging to the phthalide class, known for its unique chromogenic properties. This chemical is valued for its role as a key precursor or functional component in advanced material science and specialty chemical synthesis. It is primarily sought after by manufacturers and R&D teams in the electronics, imaging, and specialty coatings industries for developing innovative products. Its specific molecular structure makes it a critical material for applications requiring precise optical or electronic responses.

Application

• Thermochromic and Photochromic Materials: A key leuco dye precursor used in the formulation of smart inks, paints, and films that change color with temperature or light exposure.
• Pressure-Sensitive Recording Systems: Employed in the production of carbonless copy paper and other imaging papers where color development is triggered by pressure.
• Electrophotography and Toner Manufacturing: Used as a charge control agent or functional additive in toners and developers for photocopiers and laser printers.
• Optical Data Storage Media: Investigated for use in the development of advanced optical discs and memory devices due to its light-sensitive characteristics.
• Chemical Sensors and Indicators: Serves as an active component in sensor strips and diagnostic tools for detecting pH, specific ions, or environmental changes.
• Specialty Polymer Additives: Incorporated into polymers to impart specific optical properties or to act as a monomer for functional polymer synthesis.
• Research & Development: A valuable intermediate for organic synthesis and material science research in academic and industrial laboratories.

Basic Information

Item	Details
Product Name	3,3-Bis[4-(Dimethylamino)Phenyl]-6-(1-Pyrrolidinyl)Phthalide
CAS No.	72548-77-7
Molecular Formula	C30H34N4O2
Molecular Weight	482.62 g/mol
Synonyms	6-(1-Pyrrolidinyl)-3,3-bis[4-(dimethylamino)phenyl]phthalide; 3,3-Bis(p-dimethylaminophenyl)-6-pyrrolidinylphthalide; 3,3-Bis(4-dimethylaminophenyl)-6-(1-pyrrolidinyl)phthalide; 3,3-Bis(4-(dimethylamino)phenyl)-6-(pyrrolidin-1-yl)isobenzofuran-1(3H)-one; CAS 72548-77-7; Leuco Dye Precursor (specific grade); Chromogenic Compound 72548-77-7
EINECS	Contact for details

Quality Control

Our production of 3,3-Bis[4-(Dimethylamino)Phenyl]-6-(1-Pyrrolidinyl)Phthalide adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. All materials undergo rigorous analytical testing, including HPLC, NMR, and FTIR, to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profiles, and physical specifications is provided with every shipment. We are committed to meeting the specific quality requirements of our global clientele in advanced material sectors.

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). Keep away from incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light to preserve product integrity.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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