Description

1H-Indene-4,5-Diamine, 2,3-Dihydro-3,3,6,7-Tetramethyl- is a specialized diamine derivative of the indene scaffold, serving as a high-value intermediate in advanced organic synthesis. Its core value lies in its functionalized aromatic amine structure, which is critical for constructing complex molecules with tailored electronic and steric properties. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical sectors developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and oncology research.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, where its structural motif can contribute to biological activity.
• Organic Light-Emitting Diode (OLED) Materials: Acts as a precursor for electron-transporting or host materials in display and lighting technologies.
• Polymer Chemistry: Serves as a monomer or cross-linking agent for producing specialty polyamides, polyimides, or epoxy resins with enhanced thermal stability.
• Ligand Synthesis: Useful for creating chelating ligands in catalysis and metal-organic frameworks (MOFs).
• Dye and Pigment Intermediate: Employed in the synthesis of complex organic colorants and photographic chemicals.

Basic Information

Product Name	1H-Indene-4,5-Diamine, 2,3-Dihydro-3,3,6,7-Tetramethyl-
CAS No.	156485-24-4
Molecular Formula	C13H20N2
Molecular Weight	204.31 g/mol
Synonyms	3,3,6,7-Tetramethyl-2,3-dihydro-1H-indene-4,5-diamine; 4,5-Diamino-3,3,6,7-tetramethyl-2,3-dihydro-1H-indene; 3,3,6,7-Tetramethyl-4,5-diaminoindane; 4,5-Diamino-3,3,6,7-tetramethylindane; Tetramethyl dihydroindenediamine
EINECS	Contact for details

Quality Control

Our production of 1H-Indene-4,5-Diamine, 2,3-Dihydro-3,3,6,7-Tetramethyl- adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every 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 place at 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	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Single Maximum Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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