Description

2,2-Bis(4-Hydroxy-3,5-Diiodophenyl)Propane is a halogenated bisphenol derivative, also known as Tetrabromobisphenol A (TBBPA) analog, valued for its role as a key intermediate and flame retardant synergist. Its molecular structure, featuring four iodine atoms, provides excellent thermal stability and is crucial for modifying polymer properties and enhancing material performance. This compound is essential for manufacturers in the polymer, electronics, and specialty chemical industries seeking high-purity intermediates for advanced material synthesis.

Application

• Flame Retardant Intermediate: A critical precursor in the synthesis of high-performance, halogenated flame retardants for engineering plastics and epoxy resins.
• Polymer Modification: Used to incorporate iodine into polymer backbones to enhance thermal stability, UV resistance, and refractive index properties.
• Pharmaceutical Synthesis: Serves as a building block in the research and development of iodinated contrast agents and other active pharmaceutical ingredients (APIs).
• Specialty Additives: Employed in the formulation of additives for coatings, adhesives, and sealants where specific halogenated properties are required.
• Research & Development: A valuable reagent in organic chemistry R&D for creating novel iodinated aromatic compounds.
• Liquid Crystal Polymers (LCPs): Potential use as a monomer or additive in the production of high-temperature LCPs for electronic components.

Basic Information

Product Name	2,2-Bis(4-Hydroxy-3,5-Diiodophenyl)Propane
CAS No.	4971-59-9
Molecular Formula	C15H14I4O2
Molecular Weight	743.89 g/mol
Synonyms	4,4'-Isopropylidenebis(2,6-diiodophenol); Tetraiobisphenol A; TIBPA; Bisphenol A, tetriiodo-; 2,2-Bis(3,5-diiodo-4-hydroxyphenyl)propane; Phenol, 4,4'-(1-methylethylidene)bis[2,6-diiodo-; NSC 403796
EINECS	225-588-6

Quality Control

Every batch of 2,2-Bis(4-Hydroxy-3,5-Diiodophenyl)Propane is produced and tested under a strict Quality Management System. We ensure compliance with relevant industry standards, and comprehensive analytical testing is performed to guarantee identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specification parameters 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, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	215 - 220 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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