Description

4,5,6,7-Tetrabromo-1,3-Dihydro-1,3-Bis(2-Hydroxyethyl)-2H-Benzimidazol-2-One is a halogenated benzimidazolone derivative, a high-value specialty chemical intermediate prized for its flame-retardant and UV-stabilizing properties. Its molecular structure, featuring multiple bromine atoms, makes it an effective additive for enhancing the fire safety and light stability of polymeric materials. This compound is essential for manufacturers in the plastics, coatings, and electronics industries seeking to meet stringent performance and regulatory standards.

Application

• As a reactive flame retardant and synergist in engineering thermoplastics, thermosets, and polymer blends.
• As a UV stabilizer and light absorber in high-performance coatings, adhesives, and sealants to prevent photodegradation.
• As a key intermediate in the synthesis of advanced flame-retardant agents and functional additives.
• In the formulation of fire-resistant materials for the electronics, automotive, and aerospace sectors.
• For research and development of new halogenated compounds with specific functional properties.

Basic Information

Product Name	4,5,6,7-Tetrabromo-1,3-Dihydro-1,3-Bis(2-Hydroxyethyl)-2H-Benzimidazol-2-One
CAS No.	56315-67-4
Molecular Formula	C₁₁H₁₀Br₄N₂O₃
Molecular Weight	565.83 g/mol
Synonyms	2H-Benzimidazol-2-one, 1,3-dihydro-4,5,6,7-tetrabromo-1,3-bis(2-hydroxyethyl)-; 1,3-Bis(2-hydroxyethyl)-4,5,6,7-tetrabromobenzimidazol-2-one; Tetrabromobenzimidazolone derivative; Flame Retardant TBZ; TBZ Flame Retardant; 4,5,6,7-Tetrabromo-2-hydroxyethyl benzimidazolone; Light stabilizer 56315-67-4
EINECS	Contact for details

Quality Control

Our production of 4,5,6,7-Tetrabromo-1,3-Dihydro-1,3-Bis(2-Hydroxyethyl)-2H-Benzimidazol-2-One adheres to strict quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity, bromine content, and physical properties. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and identification is provided with each shipment to guarantee compliance with your technical specifications.

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 heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Bromine Content	≥ 56.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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