Plasticizers
REACH
Tricresyl phosphate
CAS Number
1330-78-5
EC Number
215-548-8
Abbreviation
TCP
What is Tricresyl phosphate?
Tricresyl phosphate (CAS 1330-78-5), also known as TCP or Kronitex, is an organophosphate ester used as a plasticizer, flame retardant and extreme-pressure lubricant additive.
Where is Tricresyl phosphate used?
- PVC and synthetic rubber compounding: flexibility with reduced flammability
- Hydraulic fluids and compressor lubricants: extreme-pressure additive forming protective films on metal under high load
- Aerospace and defense: aircraft hydraulic fluids and turbine engine oils
- Automotive transmission fluids and gear oils extend component life under mechanical stress.
Commercial specifications
- Bulk liquid supply in drums and ISO tank containers
Other Names (Synonyms)
Phosphoric acid, tris(methylphenyl) ester|Phosphoric acid, tritolyl ester|Kronitex|Lindol|TCP|Tritolyl Phosphate|Phosphoric Acid Tricresyl Ester.
What are the physical properties of Tricresyl phosphate?
Melting Point -33 °C
Boiling Point 420 °C
Density 1.13 g/cm³ @ Temp: 15 °C
Flash Point >230 °F
Appearance colourless to light yellow or brown liquid
Color White to off-white
Form Powder
Water Solubility INSOLUBLE
Vapor Pressure 0.03 mm Hg ( 25 °C)
Refractive Index n 20/D 1.555(lit.)
Log P 5.93
Which trade and regulatory codes apply to Tricresyl phosphate?
HS Code 29199000
UN Number 2574
ADR Class 6.1
Packing Group II
Storage Class 6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials
WGK (Germany) 2