Description

O,o-Bis(1,2) 2-Trimethylpropyl Phosphorodithioate, Zinc Salt is a specialized organophosphorus compound widely utilized as a high-performance additive. This chemical is valued for its role as an effective antioxidant and stabilizer, protecting materials from degradation under demanding conditions. It is primarily sought by manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product longevity and performance.

Application

• Polymer Stabilizer: Acts as an antioxidant and metal deactivator in polyolefins (e.g., polyethylene, polypropylene) to prevent thermal and oxidative degradation during processing and service life.
• Lubricant & Grease Additive: Functions as an anti-wear and extreme pressure (EP) agent in industrial lubricants and greases, protecting metal surfaces under high load.
• Rubber Chemical: Used as a secondary accelerator and stabilizer in rubber vulcanization processes to improve aging resistance.
• Fuel & Oil Additive: Employed as a multifunctional additive in fuels and industrial oils to prevent oxidation and deposit formation.
• Metalworking Fluid Component: Provides lubrication and corrosion inhibition in cutting fluids and other metalworking formulations.
• Plasticizer Stabilizer: Helps stabilize plasticizer systems in PVC and other flexible polymers against heat and light-induced breakdown.

Basic Information

Product Name	O,o-Bis(1,2) 2-Trimethylpropyl Phosphorodithioate, Zinc Salt
CAS No.	7491-65-8
Molecular Formula	C14H30O2P2S4Zn
Molecular Weight	492.0 g/mol
Synonyms	Zinc O,o-Bis(2,2-dimethylpropyl) Phosphorodithioate; Zinc Di-tert-pentyl Dithiophosphate; Zinc Di-tert-amyl Dithiophosphate; ZDTP (tert-amyl type); Zinc Dialkyl Dithiophosphate (DTPZn); Antioxidant 7491-65-8; Lubricant Additive ZDTP; tert-Amyl ZDTP
EINECS	231-337-6

Quality Control

Our production of O,o-Bis(1,2) 2-Trimethylpropyl Phosphorodithioate, Zinc Salt adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure consistent purity, performance, and compliance with customer specifications. Certificates of Analysis (COA) documenting key parameters such as assay, zinc content, and impurity profiles are available upon request to support your quality assurance processes.

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 bases and incompatible materials such as strong oxidizing agents. The product is stable under recommended storage conditions.

Specification

Item	Specification
Appearance	Clear, pale yellow to amber liquid
Identification (IR)	Conforms to structure
Assay (Zinc Content)	12.5 - 13.5 %
Specific Gravity (20°C)	1.10 - 1.20
Viscosity (25°C)	Contact for details
Phosphorus Content	Contact for details
Sulfur Content	Contact for details
Water Content (KF)	≤ 0.5 %

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