Rostabil TDP

Description and features

Rostabil TDP (Triisodecyl phosphite) is a clear liquid which has C₃₀H₆₃O₃P as chemical formula. It is a trialkyl phosphite which is useful as a secondary stabilizer in ABS, PET (polyethylene terephthalate), PET fibers, coatings, lubricants, PVC, polycarbonate and polyurethanes.

This material is also known as Phosphorus acid triisodecyl ester and isodecylphosphite.

Availibility

Europe and United States: Provided Rostabil TDP is in stock in our local warehouses our lead time is about one week if delivered in 180 KG steel drums.

Canada, South America, South Africa and other markets can also be served, please contact our sales department for more details.

This substance (CAS: 25448-25-3) has been registere d (FULL) under REACH (EC) 1907/2006.

Product Identification

CAS number	25448-25-3
EC number	246-998-3
HS code	2920 90 85
IUPAC name	tris(2-methylnonyl) phosphite

Specification

Appearance	Homogenous clear liquid @ 20 -25 ºC
Acid Value	≤0.10 (mg KOH/g)
Colour	≤50 Hazen

Packaging

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

Storage

Store triisodecyl phosphite in a cool, dry, and well-ventilated area, while also ensuring compliance with legal requirements. Furthermore, keep TDP away from heat sources and oxidizing agents to ensure safety and maintain product integrity.

MSDS

A Material Safety Data Sheet (MSDS) is available for Rostabil TTDP and all other products supplied by Vesta Chemicals BV.

An MSDS outlines the hazards of a product and explains how to handle, use, and store the product safely. Besides it provides important regulatory and emergency response information for the purchased product.

Molecular and structural information

Physicochemical information

Boiling point	485.52 °C
Density	0.88-0.905 g/cm3 @ 20 ºC
Flash point	150 °C @ 1 atm
Melting point	< -20 °C @ 1 atm
Partition coefficient (log Pow)	12.31 @ 25 °C
Refractive index	1.4500 – 1.4610
Solubility in water	Insoluble (< 0.1 mg/l)
Specific gravity	0.874 – 0.914 g/m3 (25 ºC/15 ºC)
Vapour pressure	1E-09 to 5E-07 Pa

Triisodecyl phosphite | CAS: 25448-25-3 | Disclaimer. This information is supplied solely for informational purposes and Vesta Chemicals 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.

Molecular formula	C₃₀H₆₃O₃P
Molecular weight	502.79 g/mol
InChi key	InChIKey=QEDNBHNWMHJNAB-UHFFFAOYSA-N
Structural formula