SoleChem

Cresyl diphenyl phosphate

CAS
26444-49-5
EC
247-693-8
Mol. Weight
340.3 g/mol

Description

Cresyl diphenyl phosphate (CAS 26444-49-5), also known as CDP or by the trade name Disflamoll DPK, is an organophosphate ester used across industrial manufacturing as a combined flame retardant and plasticizer.

Its multifunctional profile allows formulators to reduce flammability while maintaining or improving material flexibility. This addresses two performance requirements with a single additive for various polymer systems.

In PVC and engineering polymer compounds, CDP imparts both plasticization and flame retardancy, reducing the need for separate additive packages. This efficiency is highly valued in large-scale chemical manufacturing.

Hydraulic fluids and fire-resistant lubricants for aerospace and industrial equipment rely on CDP to meet demanding ignition-resistance specifications. It ensures safety in high-pressure and high-temperature environments.

The electronics sector uses it in wire and cable insulation compounds where UL flame ratings and flexibility must be achieved simultaneously. This makes it a critical component for modern electrical infrastructure.

In construction materials, including flooring and wall coverings, CDP supports compliance with fire safety standards without compromising processability. It integrates seamlessly into existing production workflows.

Cresyl diphenyl phosphate is supplied as a clear to pale yellow liquid. It is available in technical grade, which is the standard commercial form for industrial and polymer applications across the global market.

Bulk liquid supply in drums and ISO containers is the typical packaging format for industrial procurement volumes. This ensures reliable logistics and handling for high-capacity manufacturing facilities.

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Physical Properties

Melting Point -38°C
Boiling Point 390 °C @ Press: 760 Torr
Density 1.208 g/cm³ @ Temp: 25 °C
Flash Point 232°C
Appearance Colorless, transparent liquid; very slight odor.Insoluble in water; soluble in most organic solvents except glycerol. Combustible.
Color Pale yellow
Form Liquid
Refractive Index 1.5630
Log P 4.510

Safety & Handling (Learn More)

Warning GHS07 GHS09 GHS08
Hazard Statements
H302 Harmful if swallowed
H319 Causes serious eye irritation
H361 Suspected of damaging fertility or the unborn child
H370 Causes damage to organs
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
H412 Harmful to aquatic life with long lasting effects
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P318 IF exposed or concerned, get medical advice.
P319 Get medical advice/attention if you feel unwell.
P321 Specific treatment (see … on this label).
P330 Rinse mouth.
P391 Collect spillage.
P405 Store locked up.
P501 Dispose of contents/container in accordance with local regulations.
P264+P265 Wash … thoroughly after handling.
P301+P317 Get emergency medical help.
P308+P316 Get emergency medical help immediately.
P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code 29199000
WGK (Germany) 2

Documentation

Other Names

Diphenylcresyl phosphate|Disflamoll DPK|Phosphoric acid, methylphenyl diphenyl ester|o-Tolyldiphenylphosphate|Diphenyl tolyl phosphate|Tolyl diphenyl phosphate|Phosphoric acid, diphenyl tolyl ester|Phosphoric acid, methylphenyldiphenyle|CDP

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