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Sulfur-Based EP/AW Additive

Tertiary dodecyl polysulfide CAS:68425-15-0 PS32

Tertiary dodecyl polysulfide PSAIL PS32 is an extreme-pressure additive for lubricants,which is used for straight and soluble cutting oils used with non-copper alloys. It's the most efficient dialkyl pentasulfide. PSAIL PS32 is soluble in mineral oil,synthetic base oil and most common solvents. It is insoluble in water.

Product name:  PSAIL PS32

Similar products:  TPS32

Chemical name: Tertiary dodecyl polysulfide

Appearance:  Yellow clear liquid

Viscosity (40℃, mm2/s):    192      

Flash point (Open cup, ℃):    174

Sulphur content (%):   30.1

Description

What is PSAIL PS32?

PSAIL PS32 is an efficient lubricating oil extreme pressure additive, suitable for use in various pure oil and emulsified oil formulations, but not suitable for the processing of copper alloys. It is an efficient dialkyl pentasulfide with good solubility that can dissolve in mineral oil, synthetic base oil, and various common solvents, but it is insoluble in water.

Features of PSAIL PS32

  • Efficient extreme pressure additive: Provides efficient extreme pressure performance for pure and emulsified oil formulations.

  • High sulfur content & reactive sulfur: Features high sulfur content with reactive sulfur, not suitable for non‑ferrous metals.

  • Chlorine free: Contains no chlorine.

  • Good compatibility: Good compatibility with other additives.

  • Broad solubility: Soluble in mineral oil, synthetic base oil, and various common solvents; insoluble in water.

Functions of PSAIL PS32

  • Extreme pressure protection: Provides efficient extreme pressure performance for lubricating oils.

  • High sulfur activity: Delivers reactive sulfur for extreme pressure performance (note: not suitable for non‑ferrous metals).

  • Formulation compatibility: Exhibits good compatibility with other additives.

Applications of PSAIL PS32

Gear oil

Enhances extreme pressure performance of gear oils.

Grease

Delivers extreme pressure performance in greases.

Metalworking oil

Provides effective extreme pressure protection for metalworking operations (not for copper alloy processing).

Price of PSAIL PS32

The price of PSAIL PS32 changes based on product grade, order volume and the supplier's pricing policy. To obtain accurate quotation details, kindly reach out to a trusted supplier or manufacturer directly. When assessing total costs, take note of its prominent advantages: PSAIL PS32 provides efficient extreme pressure performance with high sulfur content and good compatibility, improving equipment reliability and reducing maintenance workload under severe working conditions.

If you are sourcing PSAIL PS32 or would like to acquire further technical data, please do not hesitate to contact FansChem.

PSAIL PS32 FAQ

Q1: What is PSAIL PS32 and its main chemical composition?

A: PSAIL PS32 is an efficient lubricating oil extreme pressure additive, chemical name: tertiary dodecyl polysulfide (dialkyl pentasulfide), CAS No.: 68425‑15‑0.

Q2: What are the key physical‑chemical properties of PSAIL PS32?

A: It is yellow clear liquid. Typical data: density 1.01 g/cm³ (20℃), viscosity 133.6 mm²/s (40℃), closed flash point 146.2℃, sulfur content 30.1%. Refer to the official TDS for complete index information.

Q3: What benefits does PSAIL PS32 bring and what is its recommended dosage?

A: It provides efficient extreme pressure performance with high sulfur content, reactive sulfur, chlorine free, and good compatibility with other additives. Please refer to the official TDS for the recommended dosage. Lab compatibility test is strongly required before formal blending.

Q4: What end‑use products is PSAIL PS32 suitable for?

A: Gear oils, greases and metalworking oils. It is not suitable for the processing of copper alloys.

Q5: What are packaging and storage requirements for PSAIL PS32?

A: Standard packaging is 50kg plastic drum or 200kg steel drum (net weight). Store in a cool, dry and well‑ventilated warehouse.

Q6: What handling safety notes should I follow and where can I get TDS / SDS or quotation?

A: Avoid direct contact with skin, eyes and clothing. Follow standard industrial hygiene practices; always refer to the official SDS/MSDS for full safety guidance. For complete TDS, SDS or commercial quotation, please contact FansChem technical‑sales team directly.

Chemical property of Tertiary dodecyl polysulfide PSAIL PS32:

Description

Tertiary Dodecyl Polysulfide PSAIL PS32 is an extreme-pressure additive specifically designed for lubricant applications, including straight and soluble cutting oils used with non-copper alloys. PSAIL PS32 is an extreme-pressure additive for lubricants,which is used for straight and soluble cutting oils used with non-copper alloys. It's the most efficient dialkyl pentasulfide. PSAIL PS32 is soluble in mineral oil,synthetic base oil and most common solvents. It is insoluble in water.

Chemical name

Tertiary dodecyl polysulfide PSAIL PS32

CAS No.

68425-15-0

Highlights

High sulfur content.

Chlorine free.

Good compatibility with other additives.

 

Technical parameters of Tertiary dodecyl polysulfide PSAIL PS32:

Item

Specification

Appearance

Yellow clear liquid

Density (20℃, g/cm3)

1.01

Viscosity (40℃, mm2/s)

192

Flash point (Open cup, ℃)

174

Sulphur content (%)

30.1

 

Packaging

40kg or 200kg / Steel drum (Net weight)

Relative products

TPS32

Storage information

Not dangerous chemical. 

For more information, please refer to the relevant MSDS.


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