Description

1,3,5-Tribromobenzene CAS NO 626-39-1 is a high-purity, symmetrical brominated aromatic compound serving as a critical building block in advanced chemical synthesis. Its value lies in providing a rigid, electron-deficient benzene core with three reactive bromine sites, enabling precise molecular construction. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries who require a reliable and consistent source of this specialized intermediate.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring halogenated aromatic structures for bioactivity or as precursors for further functionalization.
• Agrochemical Synthesis: Serves as a key precursor for developing herbicides, fungicides, and other crop protection agents where the tribromobenzene moiety contributes to stability and efficacy.
• Ligand and Catalyst Preparation: Employed in the creation of specialized ligands for transition metal catalysis, leveraging its symmetrical structure to form complex chelating systems.
• Organic Electronic Materials: Acts as a building block for electron-transport materials, organic semiconductors, and other advanced materials used in OLEDs and photovoltaic devices.
• Flame Retardant Additive Precursor: Utilized in the development of brominated flame retardants for polymers and textiles, where its aromatic structure enhances thermal stability.
• Cross-Coupling Reactions: An excellent substrate for Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions to create complex biaryl and conjugated systems.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic methodologies and creating novel chemical entities.

Basic Information

Product Name	1,3,5-Tribromobenzene
CAS No.	626-39-1
Molecular Formula	C6H3Br3
Molecular Weight	314.79 g/mol
Synonyms	sym-Tribromobenzene; 1,3,5-TBB; Benzene, 1,3,5-tribromo-; Tribromobenzene (symmetrical); AI3-24200; NSC 406908; CCRIS 5981; HSDB 5796
EINECS	210-955-0

Quality Control

Our 1,3,5-Tribromobenzene is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency meet the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) documenting purity, assay, and impurity profiles is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °C
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.