Description

3,4,5,6-Tetrachlorophthalic Acid Bis(2-Ethylhexyl) Ester is a high-purity chlorinated phthalate ester, a key specialty chemical intermediate valued for its unique halogenated structure. This compound is critical for applications requiring enhanced chemical stability, plasticizing properties, and flame retardancy. It is primarily sought by manufacturers in the polymer, specialty plasticizer, and advanced material synthesis industries for developing high-performance products.

Application

• Specialty Plasticizer: Acts as a secondary plasticizer or co-plasticizer in PVC, synthetic rubbers, and other polymer systems to improve flexibility and processing.
• Flame Retardant Additive: Utilized as a component in flame-retardant formulations for wires, cables, and electronic encapsulants due to its chlorine content.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex molecules for agrochemicals, dyes, and pharmaceuticals.
• High-Performance Lubricant Additive: Employed as an extreme pressure (EP) additive or viscosity modifier in specialty lubricants and greases.
• Polymer Modifier: Used to modify the properties of engineering plastics and coatings, enhancing weatherability and chemical resistance.
• Research & Development: Serves as a standard or reagent in analytical chemistry and material science research.

Basic Information

Product Name	3,4,5,6-Tetrachlorophthalic Acid Bis(2-Ethylhexyl) Ester
CAS No.	34832-88-7
Molecular Formula	C24H34Cl4O4
Molecular Weight	528.34 g/mol
Synonyms	Bis(2-ethylhexyl) 3,4,5,6-tetrachlorophthalate; 2-Ethylhexyl tetrachlorophthalate; Di(2-ethylhexyl) 3,4,5,6-tetrachlorophthalate; TOTP (Tetrachlorophthalate ester); Phthalic acid, tetrachloro-, bis(2-ethylhexyl) ester; 3,4,5,6-Tetrachloro-1,2-benzenedicarboxylic acid bis(2-ethylhexyl) ester; Plasticizer TOTP; Uniplex FRP-45 (example trade name)
EINECS	Contact for details

Quality Control

Our 3,4,5,6-Tetrachlorophthalic Acid Bis(2-Ethylhexyl) Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and quality assurance for your processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Color (APHA)	≤ 100
Acidity (as Phthalic Acid)	≤ 0.1%
Water Content (KF)	≤ 0.1%
Specific Gravity (20°C)	1.260 - 1.280
Refractive Index (20°C)	1.510 - 1.520

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