Description

4,5,9,10-Tetrabromoisochromeno[6,5,4-Def]Isochromene-1,3,6,8- Tetraone is a high-purity, brominated organic compound with a complex polycyclic structure. This specialty chemical is valued for its role as a key synthetic intermediate and potential functional additive in advanced material science. It is primarily sought by research and development laboratories and industrial manufacturers operating in the fields of pharmaceuticals, agrochemicals, and high-performance polymers. The compound's unique brominated isochromene-tetraone core makes it a versatile building block for creating novel molecules with specific electronic or reactive properties.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides requiring brominated heterocyclic components.
• Material Science Research: Acts as a monomer or additive in the development of specialty polymers, dyes, and pigments with enhanced thermal or light stability.
• Organic Electronics: Investigated as a potential building block for organic semiconductors, OLED materials, or charge-transport layers due to its electron-deficient structure.
• Flame Retardant Synergist: Its high bromine content contributes to its evaluation as a component in flame-retardant formulations for plastics and textiles.
• Academic & Industrial R&D: Employed in chemical research for studying novel reactions, catalysis, and the properties of polycyclic aromatic systems.

Basic Information

Product Name	4,5,9,10-Tetrabromoisochromeno[6,5,4-Def]Isochromene-1,3,6,8- Tetraone
CAS No.	299962-88-2
Molecular Formula	C₁₄H₂Br₄O₆
Molecular Weight	631.78 g/mol
Synonyms	1,3,6,8-Tetrabromoisochromeno[6,5,4-def]isochromene-4,5,9,10-tetraone; Tetrabromoisochromenoisochromenetetraone; 4,5,9,10-Tetrabromo-1,3,6,8-tetraoxoisochromeno[6,5,4-def]isochromene; TBICT; 299962-88-2 (CAS Index Name); Brominated Isochromene Tetraone Derivative
EINECS	Contact for details

Quality Control

Our 4,5,9,10-Tetrabromoisochromeno[6,5,4-Def]Isochromene-1,3,6,8- Tetraone is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and elemental analysis, to ensure it meets precise customer specifications. Certificates of Analysis (COA) detailing all test results are provided with every shipment. We support compliance with REACH and other global regulatory frameworks as required.

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). The compound should be kept away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Yellow to Orange Crystalline Powder
Identification (IR)	Conforms to Reference Spectrum
Identification (NMR)	Conforms to Structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
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.