Description

Phosphorodithioic Acid, Mixed O,o-Bis(1,3-Dimethylbutyl And iso-Pr) Esters, Zinc Salts is a specialized organophosphorus compound primarily valued as a high-performance antioxidant and anti-wear additive. This chemical is engineered to provide exceptional thermal and oxidative stability, protecting base materials from degradation under demanding conditions. It is a critical component for formulators in the lubricant and polymer industries seeking to enhance product longevity and performance.

Application

• Lubricant Additive: Functions as a multifunctional additive in industrial and automotive lubricants, providing anti-wear, extreme pressure (EP), and antioxidant properties.
• Polymer Stabilizer: Used as a secondary antioxidant and metal deactivator in polyolefins (e.g., polyethylene, polypropylene) and other polymers to prevent thermal and oxidative degradation during processing and service life.
• Grease Formulation: Incorporated into complex grease formulations to improve load-carrying capacity and reduce friction and wear in mechanical components.
• Hydraulic and Transmission Fluids: Enhances the stability and protective performance of advanced hydraulic fluids and automatic transmission fluids (ATF).
• Metalworking Fluids: Serves as an effective additive in cutting oils and other metalworking fluids to protect tools and workpieces.
• Fuel and Oil Additive Package: A component in aftermarket additive packages for fuels and engine oils, aimed at reducing engine wear and deposit formation.

Basic Information

Product Name	Phosphorodithioic Acid, Mixed O,o-Bis(1,3-Dimethylbutyl And iso-Pr) Esters, Zinc Salts
CAS No.	84605-29-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Zinc O,O-bis(1,3-dimethylbutyl) O,O-bis(isopropyl) phosphorodithioate; Zinc dialkyl dithiophosphate (ZDDP) with mixed alkyl groups; Zinc bis(O,O-bis(1,3-dimethylbutyl/isopropyl) phosphorodithioate); Mixed C6/i-Pr ZDDP; Antioxidant ZDDP; Anti-wear additive ZDDP; Lubricant antioxidant 84605-29-8
EINECS	Contact for details

Quality Control

Our production of Phosphorodithioic Acid, Mixed O,o-Bis(1,3-Dimethylbutyl And iso-Pr) Esters, Zinc Salts adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistency in active content, viscosity, and elemental composition (Zn, P, S). Certificates of Analysis (COA) documenting purity and key physical-chemical parameters 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, well-ventilated area away from heat sources and incompatible materials. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	Clear, amber to light yellow liquid
Identification (IR)	Conforms
Assay (Active Content)	≥ 95.0 %
Zinc (Zn) Content	Contact for details
Phosphorus (P) Content	Contact for details
Sulfur (S) Content	Contact for details
Density (at 20°C)	Contact for details
Kinematic Viscosity (at 40°C)	Contact for details
Acidity (as H3PO4)	≤ 0.5 %

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