Description

4,4'-Isopropylidenebis[2,6-Dibromophenyl] Diacetate is a high-purity brominated aromatic compound, primarily valued as a key intermediate in the synthesis of advanced flame retardants and specialty polymers. Its molecular structure provides excellent thermal stability and bromine content, making it a critical component for enhancing fire safety in demanding applications. This product is essential for manufacturers in the polymer, electronics, and construction materials industries seeking to develop high-performance, flame-retardant formulations.

Application

• Flame Retardant Intermediate: A crucial building block for synthesizing reactive and additive brominated flame retardants used in engineering plastics and thermosets.
• Polymer Modification: Used in the production of high-heat resistant polymers, including polycarbonates, polyesters, and epoxy resins, to impart flame-retardant properties.
• Electronic Encapsulants: Incorporated into potting compounds and encapsulants for electronic components to meet stringent UL and IEC flammability standards.
• Wire & Cable Coating: Serves as an intermediate for flame retardants applied in insulation and jacketing materials for electrical wires and cables.
• Specialty Chemical Synthesis: Acts as a versatile precursor in organic synthesis for creating other brominated compounds with specific functional groups.

Basic Information

Product Name	4,4'-Isopropylidenebis[2,6-Dibromophenyl] Diacetate
CAS No.	33798-02-6
Molecular Formula	C19H16Br4O4
Molecular Weight	659.95 g/mol
Synonyms	Bisphenol A Bis(2,6-dibromo-4-hydroxyphenyl) Ether Diacetate; Tetrabromobisphenol A Diacetate; 2,2-Bis(3,5-dibromo-4-acetoxyphenyl)propane; Bisphenol A, tetrabromo-, diacetate; TBPA Diacetate; 4,4'-Isopropylidenebis(2,6-dibromophenyl) Diacetate; Firemaster BPA-DA; Brominated Bisphenol A Diacetate
EINECS	Contact for details

Quality Control

Our production of 4,4'-Isopropylidenebis[2,6-Dibromophenyl] Diacetate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against rigorous internal specifications, which typically include assay, bromine content, melting point, and impurity profile. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

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 and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Bromine Content	≥ 48.0%
Melting Point	160 - 165 °C
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.