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Phosphorothioates

Liquid triphenyl thiophosphate CAS:192268-65-8

Liquid triphenyl thiophosphate PSAIL 2320 is an ashless EP anti‑wear additive engineered for multi‑metal lubrication requirements of automotive engines and industrial circulating equipment. As a sulfur‑phosphorus composite extreme‑pressure agent tailored for engine oils, hydraulic oils, greases and metalworking fluids, it grants finished formulations outstanding hydrolysis stability, dependable heavy‑load anti‑wear performance and copper‑friendly protection alongside ferrous‑metal safety. It lowers component wear and prevents discoloration of copper parts even under harsh‑service conditions: prolonged high‑temperature circulation, condensed‑water ingress and machining of combined steel‑copper components.

Appearance:Colorless to light yellow clear liquid

Density at 20℃, g/cm³:1.15

Acid number, mgKOH/g:≤0.1

Flash point closed cup, ℃:≥110

Sulfur content, %:7.80

Phosphorus content, %:7.50

Copper corrosion at 100℃,3h:1b

Description

What is PSAIL 2320?

PSAIL 2320 is a thiophosphate structure. It is a liquid ashless extreme pressure and anti‑wear agent with good solubility, hydrolysis stability, and excellent extreme pressure and anti‑wear performance. It is non‑corrosive to copper and ferrous metals, and is widely used in metalworking fluids, engine oils, industrial oils, greases, and other fields.

Features of PSAIL 2320

  • Liquid ashless EP/AW agent: Provides effective extreme pressure and anti‑wear performance as a liquid ashless additive.

  • Good solubility & hydrolysis stability: Offers excellent solubility in mineral oils, PAOs and esters, with good hydrolysis stability.

  • Non‑corrosive to metals: Not corrosive towards copper and ferrous metals.

  • Easy to handle liquid: Convenient to handle and dose.

Functions of PSAIL 2320

  • Extreme pressure & anti‑wear protection: Provides excellent extreme pressure and anti‑wear performance.

  • Hydrolysis stability: Maintains performance stability against hydrolysis.

  • Metal protection: Non‑corrosive towards copper and ferrous metals.

Applications of PSAIL 2320

Metalworking fluids

Provides EP and anti‑wear protection for metalworking operations.

Engine oils

Enhances extreme pressure and anti‑wear performance of engine oils.

Air compressor oils, hydraulic oils

Improves EP/AW performance of compressor and hydraulic oils.

Grease

Delivers extreme pressure and anti‑wear performance in greases.

Price of PSAIL 2320

The price of PSAIL 2320 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 2320 provides excellent extreme pressure and anti‑wear performance with good solubility and non‑corrosiveness to copper and ferrous metals, improving equipment reliability and reducing maintenance workload under severe working conditions.

If you are sourcing PSAIL 2320 or would like to acquire further technical data, please do not hesitate to contact FansChem.

PSAIL 2320 FAQ

Q1: What is PSAIL 2320 and its main chemical composition?

A: PSAIL 2320 is a thiophosphate structure liquid ashless extreme pressure and anti‑wear agent, chemical name: liquid triphenyl thiophosphate, CAS No.: 192268‑65‑8.

Q2: What are the key physical‑chemical properties of PSAIL 2320?

A: It is colorless to light yellow clear liquid. Typical data: density 1.15 g/cm³ (20℃), acid number ≤0.1 mgKOH/g, closed flash point ≥110℃, sulfur content 7.80%, phosphorus content 7.50%, copper corrosion 1b (100℃, 3h). Refer to the official TDS for complete index information.

Q3: What benefits does PSAIL 2320 bring and what is its recommended dosage?

A: It provides excellent EP/AW performance with good solubility and hydrolysis stability, and is non‑corrosive to copper and ferrous metals. Recommended treat level: 0.5‑2.0% (engine oil, industrial oil, grease). Lab compatibility test is strongly required before formal blending.

Q4: What end‑use products is PSAIL 2320 suitable for?

A: Metalworking fluids, engine oils, air compressor oils, hydraulic oils and greases.

Q5: What are packaging and storage requirements for PSAIL 2320?

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 Liquid triphenyl thiophosphate PSAIL 2320:
ItemContent
DescriptionPSAIL 2320 is a thiophosphate structure. It is a liquid ashless extreme pressure and anti‑wear agent with good solubility, hydrolysis stability, and excellent extreme pressure and anti‑wear performance. It is non‑corrosive to copper and ferrous metals, and is widely used in metalworking fluids, engine oils, industrial oils, greases, and other fields.
Chemical nameLiquid triphenyl thiophosphate
CAS No.192268‑65‑8
Recommended treat levelEngine oil, industrial oil, grease: 0.5‑2.0%
HighlightsEasy to handle liquid
Offers excellent solubility in mineral oils, PAOs and esters
Not corrosive towards copper and ferrous metals
Relative productsIRGALUBE 232
Technical parameters of Liquid triphenyl thiophosphate PSAIL 2320:
ItemTypical Data
AppearanceColorless to light yellow clear liquid
Density at 20℃, g/cm31.15
Acid number, mgKOH/g≤0.1
Flash point closed cup, ℃≥110
Sulfur content, %7.80
Phosphorus content, %7.50
Copper corrosion at 100℃, 3h1b
Packaging50kg plastic drum or 200kg steel drum (Net weight)
Storage conditionsStore in a cool, dry, well‑ventilated warehouse

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