Tris(2-chloroethyl) phosphate(TCEP)

Basic Info:

  • Chemical Synonym(s): Celluflex; Niax 3CF; TCEP; Tris(2-chloroethyl) phosphate; Ethanol, 2-chloro-, phosphate (3:1); fyrolcef;
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  • CAS Number: 115-96-8
  • Chemical Formula:


  • MSDS: Download


Boiling Point
Melting Point
Flash Point
Vapor pressure
<10 mm Hg ( 25 °C)
Refractive index
n20/D 1.472(lit.)
H2O: soluble7.82g/L
Storage temp.
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Tris(2-chloroethyl) phosphate(TCEP) is a clear to pale yellow, odourless liquid soluble in most organic solvents. This unique solution can be used as an effective disinfectant and deodorizer for animal facilities.

It has been praised in laboratory settings for rapidly killing many different types of bacteria without impacting any other type of outdoor flora.

It biocide kills the microorganisms it comes into contact with by immobilizing enzymes that they need to live. This causes the microorganism to die from its inability to maintain life functions such as respiration and reproduction when outside an organism’s environment.

It may also be used for livestock sanitation to remove malodors caused by microbes associated with manure management.


Tris(2-chloroethyl) phosphate(TCEP) can be used as a deodorizer for agricultural and industrial byproducts that contain hydrogen sulfide, such as those from oil production.

It can be used as an efficient deodorant to mask the smell of decomposition in drains, sewage systems and septic tanks.

It is used as a solvent, metal cleaner, a degradation-product of its manufacture and agricultural fumigant. For example, it can clean acid and alkali substances from metal or rubber products, remove tarnish from silver and copper, etc.

It is a broad-spectrum biocide and disinfectant with a variety of applications. For example, it can be used to sanitize integrated circuits before they are assembled on circuit boards. It also has been used as a process treatment for hazardous wastes at one particular gold mine.

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