Description

4-(n-Ethyl-n-2-Methoxyethyl)-2-Methylphenylenediamine Di-p-Toluenesulfonate is a specialized organic salt derivative of a phenylenediamine, widely recognized as a key intermediate and developer in advanced chemical synthesis. This compound is critical for ensuring consistent performance and high-purity outcomes in sensitive manufacturing processes. It is primarily utilized by the photographic, hair dye, and specialty polymer industries, where precise chemical reactivity and stability are paramount. The CAS number for this substance is 50928-80-8.

Application

• Primary Intermediate in Color Photography: Serves as a critical color developing agent in photographic films and papers.
• Oxidative Hair Dye Formulations: Acts as a key coupler or developer in permanent hair coloring products.
• Specialty Polymer Synthesis: Used as a monomer or chain modifier in the production of advanced polyamides and epoxy curing agents.
• Analytical Chemistry Reagent: Employed in specific colorimetric assays and as a reagent in organic synthesis.
• Electrochemical Research: Investigated for use in dye-sensitized solar cells (DSSCs) and other optoelectronic applications.
• Textile Dye Manufacturing: Functions as a precursor in the synthesis of specific azo and other complex dyes.

Basic Information

Product Name	4-(n-Ethyl-n-2-Methoxyethyl)-2-Methylphenylenediamine Di-p-Toluenesulfonate
CAS No.	50928-80-8
Molecular Formula	C27H36N2O8S2
Molecular Weight	580.71 g/mol
Synonyms	4-(N-Ethyl-N-2-methoxyethyl)-2-methylphenylenediamine Sesquisulfate Salt; CD-4 Salt; 2-Methyl-4-(N-ethyl-N-2-methoxyethyl)phenylenediamine Di-p-toluenesulfonate; 4-(Ethyl(2-methoxyethyl)amino)-2-methylbenzene-1,4-diamine bis(4-methylbenzenesulfonate); Color Developer 4 Salt; 50928-80-8; 4-Amino-N-ethyl-N-(2-methoxyethyl)-2-methylbenzenediamine Di-p-toluenesulfonate
EINECS	Contact for details

Quality Control

Our 4-(n-Ethyl-n-2-Methoxyethyl)-2-Methylphenylenediamine Di-p-Toluenesulfonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical characteristics is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Water Content (KF)	≤ 1.0%
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.