Tris(2-butoxyethyl) phosphate


Phosphoric acid tris(2-butoxyethyl) ester
Linear Formula:
CAS Number:
Molecular Weight:
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

vapor density

13.7 (vs air)

vapor pressure

0.03 mmHg ( 150 °C)



refractive index

n20/D 1.438 (lit.)


215-228 °C/4 mmHg (lit.)


1.006 g/mL at 25 °C (lit.)

SMILES string




InChI key


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General description

Tris(2-butoxyethyl) phosphate is an organic flame retardant. It shows PXR agonistic activity. Tris(2-butoxyethyl) phosphate was detected and quantified during the analysis of herring gull eggs by liquid chromatography-electrospray ionization(+)-tandem mass spectrometry.


100 g in poly bottle

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

WGK Germany


Flash Point(F)

318.2 °F - closed cup

Flash Point(C)

159 °C - closed cup

S Laham et al.
Journal of applied toxicology : JAT, 4(1), 42-48 (1984-02-01)
The effects of a widely used trialkyl phosphate (TP), tributoxyethyl phosphate (TBOP), on the peripheral nervous system of Sprague-dawley (SD) rats were investigated. Male and female SD rats were administered this chemical by gavage over a period of 18 weeks...
R Janknegt et al.
Pharmaceutisch weekblad. Scientific edition, 5(6), 287-290 (1983-12-16)
The influence of various brands of evacuated blood collection systems (the old type, red stoppered Vacutainer; the new type, blue stoppered Vacutainer; Monoject and Venoject) on therapeutic drug monitoring was investigated. No interferences were found in the assay of ethosuximide...
Hans-Peter Hutter et al.
International journal of hygiene and environmental health, 209(1), 65-68 (2005-12-24)
After moving into a new office building, employees complained about eye irritations, sore throats and unspecific symptoms. They were concerned about visible dust as a potential cause of adverse health effects. An external working group was appointed to investigate indoor...
G Sager et al.
Biochemical pharmacology, 38(15), 2551-2557 (1989-08-01)
The plasticizers tris-(2-butoxyethyl)-phosphate (TBEP) and di-(2-ethylhexyl)-phthalate (DEHP) and the beta-adrenergic receptor-blockers [3H]-(-)-dihydroalprenolol ([3H]-(-)-DHA) and [3H]-(-)-CGP 12177 were tested for their ability to interact with beta-adrenergic binding to alpha 1-acid glycoprotein (AAG) and mononuclear leukocytes (MNL). The IC50-values, obtained by displacement...
E Fries et al.
Journal of environmental monitoring : JEM, 3(6), 621-626 (2002-01-12)
The present investigation was carried out to quantify the three organophosphate esters, tributyl phosphate (TBP), tris(2-chloroethyl) phosphate(TCEP) and tris(2-butoxyethyl) phosphate(TBEP), in river, rain and ground water obtained from several locations in Germany, and to compare the data with those obtained...

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