Description

2,3,5,6-Tetrahydro-3,3,5,5-Tetramethyl-S-Indacene-1,7-Dione is a high-purity, specialized organic intermediate with a unique fused-ring indacene dione structure. This compound is valued for its role as a critical building block in advanced organic synthesis, enabling the creation of complex molecular architectures. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and materials science sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly for compounds requiring rigid, polycyclic frameworks.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides, herbicides, and plant growth regulators where its specific core structure imparts desired biological activity.
• Organic Electronic Materials: Acts as a foundational unit for constructing π-conjugated systems in the development of organic semiconductors, OLED (Organic Light-Emitting Diode) materials, and photovoltaics.
• Ligand and Catalyst Development: Employed in the design and synthesis of sophisticated ligands for catalysis and metal-organic frameworks (MOFs).
• Dye and Pigment Chemistry: Functions as an intermediate for creating specialized dyes, pigments, and photoactive compounds due to its indacene-derived chromophore.
• Academic and R&D: Utilized in university and corporate research laboratories for methodological studies in organic chemistry and the exploration of new chemical entities.

Basic Information

Product Name	2,3,5,6-Tetrahydro-3,3,5,5-Tetramethyl-S-Indacene-1,7-Dione
CAS No.	55591-17-8
Molecular Formula	C15H18O2
Molecular Weight	230.30 g/mol
Synonyms	1,7-Dioxo-2,3,5,6-tetrahydro-3,3,5,5-tetramethyl-s-indacene; 3,3,5,5-Tetramethyl-2,3,5,6-tetrahydro-s-indacene-1,7-dione; Tetramethyltetrahydroindacenedione; s-Indacene-1,7-dione, 2,3,5,6-tetrahydro-3,3,5,5-tetramethyl-; TTID; 1,7-Diketone of 3,3,5,5-tetramethyl-2,3,5,6-tetrahydro-s-indacene
EINECS	Contact for details

Quality Control

Our 2,3,5,6-Tetrahydro-3,3,5,5-Tetramethyl-S-Indacene-1,7-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial applications. Comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

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%

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