Description

N,N,N',N'-Tetramethyl-p-Phenylenediamine Dihydrochloride is a high-purity, dihydrochloride salt derivative of a key aromatic diamine. This compound is valued for its role as a critical reagent and electron transfer mediator in advanced analytical and biochemical applications. It is primarily sought by manufacturers and research institutions in the pharmaceutical, diagnostic, and polymer chemistry sectors for its reliable performance and consistent quality. The product is supplied with full traceability and quality documentation to meet stringent industrial and research requirements.

Application

• Electrochemical Sensor Development: Used as a redox mediator and electron transfer agent in biosensors and diagnostic test strips.
• Polymer Chemistry & Material Science: Serves as a precursor or catalyst component in the synthesis of conductive polymers and specialty resins.
• Analytical Chemistry Reagent: Employed as a chromogenic substrate or developer in enzymatic assays and colorimetric detection methods.
• Biochemical Research: Functions as an electron donor or cofactor in studies of enzyme kinetics and oxidative processes.
• Photographic & Imaging Applications: Acts as a developing agent in specialized photographic and non-silver imaging processes.
• Organic Synthesis Intermediate: Utilized in the preparation of more complex quaternary ammonium compounds and dye intermediates.

Basic Information

Product Name	N,N,N',N'-Tetramethyl-p-Phenylenediamine Dihydrochloride
CAS No.	637-01-4
Molecular Formula	C10H18N2·2HCl
Molecular Weight	231.18 g/mol
Synonyms	TMPD Dihydrochloride; Wurster's Blue Precursor; 1,4-Bis(dimethylamino)benzene Dihydrochloride; N,N,N',N'-Tetramethyl-1,4-benzenediamine Dihydrochloride; p-Phenylenediamine, N,N,N',N'-tetramethyl-, dihydrochloride; Tetramethyl-p-phenylenediamine Dihydrochloride; TMPD·2HCl; Wurster's Reagent (dihydrochloride form)
EINECS	211-280-5

Quality Control

Our N,N,N',N'-Tetramethyl-p-Phenylenediamine Dihydrochloride is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, to ensure it meets exacting specifications for critical applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and conformance to agreed parameters. We support compliance with relevant industry standards, including cGMP where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. 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
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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