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Description and features
Phostacon TLP (Trilauryl Phosphite) is a clear liquid which has C36H75O3P as chemical formula. It is a trialkyl phosphite which can be used as a lubricant additive to improve anti-friction and anti-wear characteristics. It also functions as a sulfur deactivator. Phostacon TLP may be used as a stabilizer in PVC, polyester fibers and in polypropylene when regulatory approval for food contact is not required.

Trilauryl Phosphite is also known as Tri-n-dodecyl phosphite and Tridodecylphosphite.

Product Information

CAS number3076-63-9
EC number 221-356-5
HS code2920 90 85
SensitivityNot hygroscopic

Molecular and structural information

Molecular formulaC36H75O3P
Molecular weight586.96 g/mol
Structural formula:3076-63-9


AppearanceClear liquid
Acid value≤0.10 (mg KOH/gm)
Phosphorus content5.30 %
Colour (APHA)≤50
Refractive Index1.4545 – 1.4615 (25 °C)
Specific gravity0.866 – 0.890g/m3 (25 °C/ (15 °C)

Physicochemical information

Boiling point504.40 °C @ 760 m mHg
Flash point324.50 ºC
Partition coefficient (log Pow)14.04
Refractive index1.4545 – 1.4615 (25 °C)
Solubility in waterInsoluble (< 0.1 mg/l)
Specific gravity0.866 – 0.890g/m3 (25 (25 °C/ (15 °C)
Vapour pressure7.66E-10 mmHg at 25°C

Available packaging: 180KG steel drums.
Special packaging is available on request.

Shipment Info
Europe and United States: Provided Phostacon TLP is on stock in our local warehouses our lead time is about one week if delivered in 180 KG drums.
Canada, South America, South Africa and other markets can also be served, please contact our sales department for more details.

Store Trilauryl Phosphite in a cool, dry and well-ventilated area and in line with legal requirements.
Keep TPP away from heat sources and oxidizing agents.

This substance (CAS: 3076-63-9) has been pre-registered under REACH (EC) 1907/2006.

A Material Safety Data Sheets (MSDS) is available for Phostacon TLP and all other products supplied by Vesta Intracon BV. An MSDS describes the hazards of a product and explains how a product can be safely handled, used and stored. Besides it provides important regulatory and emergency response information for the purchased product.

Trilauryl Phosphite: Disclaimer. This information is supplied solely for informational purposes and Vesta Intracon bv makes no guarantees or warranties, either expressed or implied, with respect to the accuracy and use of this data. All product warranties and guarantees shall be governed by the Standard Terms of Sale. Nothing in this document is legal advice or is a substitute for competent legal advice.