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CAS Number: 9002-93-1

Emulan OP 25 is an Alkylphenol ethoxylate and it is used as an emulsifier in polymerization for adhesives and paint ingredients.

Emulan OP 25 is Alkyl phenol 25 EO and Emulan OP 25 acts as a high-performance oil in water type of emulsifier. 

Emulan OP 25 offers stabilization of emulsions, dispersions and latices against thermal, mechanical and chemical effects. 
Emulan OP 25 can be used alone or in combination with anionic emulifiers such as Emulphor OPS 25 or with cationic emulsifiers in emulsion polymerization processes. 

Emulan OP 25 is used in emulsion polymerization processes for many different types of monomer such as acrylic esters, styrene and vinyl compounds (with 1-5% addition level). 

Emulan OP 25 is also used for emulsifying ester waxes and fatty acids (with 5-15% addition level) and disperse systems (with 0.5-5% addition level).

Emulan OP 25 = Octyl Phenol 25 EO

Chemical name: 4- tert- octylphenol ethoxylates

Emulan is colourless, waxy solid

Relevant identified uses of Emulan OP 25: Raw material for the chemical-technical industry

Odour: product specific

Odour threshold: not determined

pH value: approx. 7 (50 g/l, 23 °C) (DIN EN 1262)

solidification temperature: approx. 26 °C (DIN ISO 2207)

Melting point: 37 °C

Boiling point: > 250 °C

Flash point: > 200 °C (DIN ISO 2592)

Evaporation rate: not determined

Flammability: not self-igniting

Lower explosion limit: For solids not relevant for classification and labelling.

Upper explosion limit: For solids not relevant for classification and labelling.

Ignition temperature: > 300 °C

Vapour pressure: < 0.1 hPa (20 °C)

Density: approx. 1.06 g/cm3 (60 °C) (DIN 51757)
Density: approx. 1.05 g/cm3 (70 °C) (DIN 51757)

Relative density: No data available.

Relative vapour density (air): not determined

Solubility in water: soluble

Solubility (qualitative) solvent(s): polar solvents soluble

Partitioning coefficient n-octanol/water (log Kow): not applicable

Self ignition: not self-igniting

Thermal decomposition: > 300 °C

Viscosity, dynamic: approx. 100 mPa.s (60 °C) (DIN EN 12092)

Viscosity, kinematic: not applicable, the product is a solid

Explosion hazard: not explosive

Fire promoting properties: not fire-propagating

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