Description

3-[4-(Diethylamino)Phenyl]-3-(p-Tolyl)Phthalide CAS NO 84083-17-0 is a specialized organic compound belonging to the phthalide class, recognized for its unique chromogenic properties. This chemical is a key functional material in the development of advanced color-changing and imaging technologies. It is primarily required by manufacturers in the specialty chemicals, advanced materials, and research sectors for high-value applications.

Application

• Primary component in the formulation of thermochromic and photochromic dyes and inks.
• Critical intermediate for synthesizing leuco dyes used in pressure-sensitive and thermal recording papers.
• Functional material in the research and production of advanced optical sensors and imaging systems.
• Key ingredient in the development of security printing features for banknotes and documents.
• Used in scientific research as a model compound for studying electron transfer and photophysical processes.
• Potential applications in novel display technologies and smart materials.

Basic Information

Product Name	3-[4-(Diethylamino)Phenyl]-3-(p-Tolyl)Phthalide
CAS No.	84083-17-0
Molecular Formula	C25H25NO2
Molecular Weight	371.47 g/mol
Synonyms	3-(4-Diethylaminophenyl)-3-(4-methylphenyl)phthalide; 3-(4-Diethylaminophenyl)-3-(p-tolyl)-1(3H)-isobenzofuranone; 3,3-Bis(4-diethylaminophenyl)-6-methylphthalide (related compound); Leuco Dye Precursor; Chromogenic Phthalide Derivative; ETPh; p-Tolyl Diethylaminophenyl Phthalide
EINECS	Contact for details

Quality Control

Our production of 3-[4-(Diethylamino)Phenyl]-3-(p-Tolyl)Phthalide adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The material is characterized using advanced analytical techniques including HPLC, NMR, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each 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 a controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. Due to its light-sensitive nature, handling should be conducted under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white 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%
Heavy Metals	≤ 10 ppm

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