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Product Description

Santicizer 141 Plasticizer

Santicizer 141 Plasticizer, 2-Ethylhexyldiphenyl Phosphate, is an excellent flame retardant plasticizer for the majority of industrial polymers, including PVC and its copolymers, Cellulose Nitrate, Cellulose Acetatebutyrate, Ethylcellulose, Polymethylmethacrylate and Polystyrene.

Because of its effectiveness and excellent low-temperature properties, Santicizer® 141 is commonly used and appreciated for the preparation of vinyl sheets, fabric coating, plastisols and organosols, adhesives, vinyl packing materials, and conveyor belts.

Because of its excellent solvating power, Santicizer® 141 improves the utilization properties of many formulations. Moreover, it confers a number of interesting properties to the finished products, such as flame retardance, low smoke density, flexibility at low temperatures, good resistance to abrasion and to oils and fats, excellent light stability and weather resistance, and exceptional high-frequency weldability.

Santicizer® 141 is an excellent fireproofing material for transparent films; in pigmented films that must comply with very severe reaction to fire test requirements. The use of Santicizer® 141 is often recommended together with small quantities of Antimony Oxide, about 3 phr, and 10 - 20 phr of Aluminum Hydroxide.

By mixing 10 to 15 % of Santicizer® 141 with a Phthalate Plasticizer such as DOP, the light stability of the films and their resistance to weather and bacteria are considerably improved.

In comparison with Tricresyl Phosphate and Cresyl Diphenyl Phosphate, Santicizer® 141 allows the preparation of plastisols having a lower initial viscosity, better pseudo-plasticity, and better storage stability. It is commonly used in the sector of PMMA-based plastisols and nitrocellulose coatings and inks. Santicizer® 141 is recommended for its compatibility and film-forming characteristics.


  • Flame retardant
  • low smoke
  • highly efficient
  • fast-fusing
  • flow viscosity plastisols
  • improves weatherability
  • FDA approved

Safety and Handling
Complete toxicity and handling information can be found on the Material Safety Data Sheet, which is available upon request.

Typical Properties


Clear, oily liquid

Colour (APHA)*

30 max.


Essentially odourless

Specific gravity (20 °C / 20 °C)*


Refractive index at 20 °C*


Acidity (0.20 meq. KOH/100 g max)*

(0.01% as phosphoric acid)

Moisture (by KF in methanol, %)*

0.10 max.

Chemical type

Octyl Diphenyl Phosphate

Molecular weight


Pour point (°C)


Boiling point 13.3 h Pa

239 °C (decomposes)

Flash point (COC)

224 °C

Fire point (COC)

238 °C

Vapour pressure


at 150 °C

27 Pa

at 200 °C

213 Pa

Viscosity m²/s


at 0 °C


at 25 °C


at 99 °C


Surface tension at 23 °C

0.0367 N.m

Solubility in water at 25 °C


General solubility

Soluble in most organic solvents

* Part of Ferro sales specifications

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