Description

4,4'-Isopropylidenebis[2,3,5,6-Tetrachlorophenol] is a halogenated bisphenol derivative known for its potent antimicrobial and preservative properties. This compound is valued for its chemical stability and effectiveness in demanding environments where microbial growth must be controlled. It is primarily utilized by manufacturers in the polymer, specialty chemical, and industrial biocide sectors seeking reliable performance in their formulations.

Application

• As a key antimicrobial additive in polymer and plastic masterbatches to prevent microbial degradation.
• As a preservative agent in industrial fluids, coatings, and adhesives.
• As an intermediate in organic synthesis for the production of more complex halogenated compounds.
• In the formulation of specialty biocides for material protection in construction and marine applications.
• For research and development purposes in antimicrobial chemistry and material science.

Basic Information

Product Name	4,4'-Isopropylidenebis[2,3,5,6-Tetrachlorophenol]
CAS No.	16669-42-4
Molecular Formula	C15H6Cl8O2
Molecular Weight	531.83 g/mol
Synonyms	2,2'-Methylenebis(3,4,5,6-tetrachlorophenol); Tetrachlorobisphenol A; 4,4'-Isopropylidenebis(2,3,5,6-tetrachlorophenol); Bis(2,3,5,6-tetrachloro-4-hydroxyphenyl)propane; NSC 406666; TC-BPA; Antimicrobial agent 16669-42-4; Halogenated bisphenol A derivative
EINECS	240-728-6

Quality Control

Our production of 4,4'-Isopropylidenebis[2,3,5,6-Tetrachlorophenol] adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. All material is subjected to comprehensive analytical testing, including identity confirmation and purity assessment. A Certificate of Analysis (COA) detailing specific results is provided with each shipment to guarantee compliance with your technical requirements.

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 alkalis and incompatible organic solvents. Ensure the storage area is designated for chemicals only.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	188°C - 192°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.