Description

2,5-Bis(tert-Nonyldithio)-1,3,4-Thiadiazole is a high-performance sulfur-based organic compound primarily utilized as an extreme pressure (EP) additive and anti-wear agent. Its molecular structure is engineered to provide exceptional load-carrying capacity and thermal stability in demanding lubricant formulations. This product is essential for manufacturers of industrial gear oils, metalworking fluids, and greases targeting heavy-duty machinery and automotive applications.

Application

• Industrial Gear Oils: Serves as a key extreme pressure (EP) additive to prevent scuffing and wear in heavily loaded gear systems.
• Metalworking Fluids: Enhances the performance of cutting oils and drawing compounds by providing superior lubrication under high pressure and temperature.
• Grease Formulations: Incorporated into complex and lithium-based greases to improve their load-carrying ability and anti-wear properties.
• Automotive Lubricants: Used in specialized transmission fluids and axle oils to protect components under severe operating conditions.
• Synthetic Lubricants: A critical additive in polyalphaolefin (PAO) and ester-based synthetic lubricants requiring high thermal and oxidative stability.
• Process Oils: Functions as a multifunctional additive in rolling and stamping oils for metal forming operations.

Basic Information

Product Name	2,5-Bis(tert-Nonyldithio)-1,3,4-Thiadiazole
CAS No.	89347-09-1
Molecular Formula	C₂₀H₃₈N₂S₅
Molecular Weight	474.86 g/mol
Synonyms	2,5-Bis(tert-nonyldithio)-1,3,4-thiadiazole; tert-Nonyl polysulfide thiadiazole; LZ 5340 (Lubrizol); Vanlube 829 (Vanderbilt); Thiadiazole EP additive; Sulfurized thiadiazole derivative; 1,3,4-Thiadiazole-2,5-dithiol, bis(tert-nonyl) derivative; EP additive 89347-09-1
EINECS	Contact for details

Quality Control

Our production of 2,5-Bis(tert-Nonyldithio)-1,3,4-Thiadiazole adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is analyzed for key parameters including active sulfur content, purity, and viscosity to meet precise customer specifications. A comprehensive Certificate of Analysis (COA) documenting these results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at ambient temperature (15-25°C). Keep away from strong oxidizing agents, heat, and ignition sources. Under recommended storage conditions, the product has excellent shelf stability.

Specification

Item	Specification
Appearance	Amber to dark brown liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Active Sulfur Content	Contact for details
Kinematic Viscosity @ 100°C	Contact for details
Density @ 20°C	~1.05 g/cm³
Flash Point	> 150 °C

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