Description

4,7-Bis(5-Bromo-2-Thienyl)-2-n-Octyl-2H-Benzotriazole is a specialized organic compound belonging to the benzotriazole class, known for its unique molecular architecture incorporating thiophene and bromine substituents. This compound matters as a high-value advanced organic intermediate and functional material precursor, enabling the synthesis of complex molecules with tailored electronic and photophysical properties. It is primarily needed by R&D chemists and manufacturers in the organic electronics, pharmaceutical, and advanced materials sectors.

Application

• Organic Semiconductor Synthesis: A key building block for constructing donor-acceptor polymers and small molecules used in organic photovoltaics (OPVs) and organic light-emitting diodes (OLEDs).
• Pharmaceutical Intermediate: Serves as a sophisticated precursor in the research and development of novel active pharmaceutical ingredients (APIs), particularly those requiring a benzotriazole core.
• Functional Material Research: Used in the development of non-linear optical (NLO) materials, sensors, and other advanced materials where its conjugated system and halogen atoms are advantageous.
• Ligand and Catalyst Design: The bromine atoms provide handles for further cross-coupling reactions (e.g., Suzuki, Stille), making it valuable for creating complex ligands and catalytic systems.
• Polymer Modification: Incorporated into polymer backbones to impart specific characteristics like UV absorption, thermal stability, or electronic conductivity.
• Academic and Industrial R&D: A critical reagent for exploratory chemistry in universities and corporate research laboratories focusing on novel heterocyclic compounds.

Basic Information

Product Name	4,7-Bis(5-Bromo-2-Thienyl)-2-n-Octyl-2H-Benzotriazole
CAS No.	1254062-41-3
Molecular Formula	C22H23Br2N3S2
Molecular Weight	545.38 g/mol
Synonyms	2-n-Octyl-4,7-bis(5-bromo-2-thienyl)-2H-benzotriazole; 2-Octyl-4,7-bis(5-bromothiophen-2-yl)-2H-benzo[d][1,2,3]triazole; 4,7-Bis(5-bromothiophen-2-yl)-2-octyl-2H-benzo[d][1,2,3]triazole; BTZ-Th-Br derivative; Benzotriazole-thiophene bromo derivative; Light absorber intermediate; CAS 1254062-41-3
EINECS	Contact for details

Quality Control

Our 4,7-Bis(5-Bromo-2-Thienyl)-2-n-Octyl-2H-Benzotriazole is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, essential for sensitive synthetic applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support custom synthesis and can tailor specifications, including purity grades (e.g., >97%, >98%, >99%), to meet specific research or production requirements.

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). Keep the container sealed to prevent moisture absorption and contamination. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Light yellow to yellow powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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