2-ethylhexyl diphenyl phosphate

CAS Number
1241-94-7
EC Number
214-987-2
Abbreviation
EHDPP

What is 2-ethylhexyl diphenyl phosphate?

2-Ethylhexyl diphenyl phosphate (CAS 1241-94-7), also known as Santicizer 141, Phosflex 362, Disflamoll or EHDPP, is an organophosphate ester for polymer and coating systems.

Where is 2-ethylhexyl diphenyl phosphate used?

  • Vinyl and cellulosic compounds: primary or secondary plasticizer giving flame retardancy without a separate halogenated additive
  • Coatings: fire-retardant architectural and industrial coatings needing flexibility and reduced combustibility
  • Adhesives and sealants: viscosity reduction during processing while meeting flammability standards
  • In lubricants and metalworking fluids it contributes anti-wear performance and thermal stability.

Good to know: Combined plasticizer and flame retardant, reducing flammability while improving flexibility and processability in one additive, which simplifies formulation and lowers component count.

Commercial specifications

  • Bulk liquid in drums and ISO containers

Other Names (Synonyms)

santicizer 141|Phosflex 362|Disflamoll®|Octicizer|Phosphoric acid, 2-ethylhexyl diphenyl ester|(2-Ethylhexyl)-difenylfosfat|Diphenyl 2-ethylhexyl phosphate|EHDPP

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What are the physical properties of 2-ethylhexyl diphenyl phosphate?

Melting Point -30 °C
Boiling Point 375 °C
Density 1.090 g/cm³ @ Temp: 25 °C
Flash Point 224 °C
Color Colourless
Form neat
Water Solubility Insoluble
Vapor Pressure 26.7Pa at 150℃
Refractive Index 1.5080 to 1.5110
Log P 5.87 at 25℃

How is 2-ethylhexyl diphenyl phosphate classified and handled safely? Learn More

Danger
GHS06· Toxic GHS09· Environmental Hazard GHS08· Health Hazard

Hazard Statements

H331 Toxic if inhaled
H373 May causes damage to organs through prolonged or repeated exposure
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects
H411 Toxic to aquatic life with long lasting effects

Precautionary Statements

P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.

Which trade and regulatory codes apply to 2-ethylhexyl diphenyl phosphate?

HS Code 29199000
UN Number 3082
WGK (Germany) 2
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