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Phosflex T-BEP, commonly referred to as TBEP, is an organophosphate compound characterized by its use as a plasticizer and flame retardant in various applications.
Phosflex T-BEP is a colorless to pale yellow liquid with a slightly oily texture and a mild odor.
Phosflex T-BEP is soluble in organic solvents but has limited solubility in water, which influences its behavior in environmental contexts.
CAS: 78-51-3
MF: C18H39O7P
MW: 398.47
EINECS: 201-122-9
Synonyms
2-butoxy;2-Butoxy-ethanol phosphate (3:1);2-Butoxy-ethanolphosphate(3:1);2-butoxy-ethanophosphate(3:1);Amgard TBEP;Ethanol, 2-butoxy-, phosphate (3:1);tri(butoxyethyl);Tri(butylcellosolve)phosphate
Phosflex T-BEP exhibits low volatility, making it stable under normal conditions.
Phosflex T-BEP's chemical structure includes three butoxyethyl groups attached to a phosphate backbone, contributing to its properties as a plasticizer, enhancing flexibility and durability in polymers.
Phosflex T-BEP is also recognized for its potential as a flame retardant, as it can help reduce flammability in materials.
However, like many organophosphates, Phosflex T-BEP raises environmental and health concerns, particularly regarding its persistence and potential toxicity.
Safety measures should be taken when handling Phosflex T-BEP, as it may pose risks through inhalation or skin contact.
Overall, Phosflex T-BEP is valued in industrial applications but requires careful management due to its chemical characteristics.
Phosflex T-BEP is used commercially as a leveling agent in waxes, floor polishes and paper coatings, and is also an excellent antifoaming agent in ore beneficiations.
Phosflex T-BEP is used as a softener in chlorinated rubber and nitrile formulations.
Phosflex T-BEP imparts exceptionally good low temperature flexibility, good resilience, low compression set and lower flammability.
Recommended uses include floor finishes, seals, gaskets, hoses, shoe soles and similar applications.
Phosflex T-BEP is an organic flame retardant.
Phosflex T-BEP shows PXR agonistic activity.
Phosflex T-BEP was detected and quantified during the analysis of herring gull eggs by liquid chromatography-electrospray ionization(+)-tandem mass spectrometry.
Phosflex T-BEP Chemical Properties
Melting point: -70°C
Boiling point: 215-228 °C4 mm Hg(lit.)
density: 1.006 g/mL at 25 °C(lit.)
vapor density: 13.7 (vs air)
vapor pressure: 0.03 mm Hg ( 150 °C)
refractive index: n20/D 1.438(lit.)
Fp: >230 °F
storage temp.: Store at -20°C
solubility: Chloroform (Slightly), DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
form: Liquid
color: Clear colorless to very slightly yellow
Water Solubility: Soluble
Henry's Law Constant: 8.2×105 mol/(m3Pa) at 25℃, HSDB (2015)
Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
InChI: 1S/C18H39O7P/c1-4-7-10-20-13-16-23-26(19,24-17-14-21-11-8-5-2)25-18-15-22-12-9-6-3/h4-18H2,1-3H3
InChIKey: WTLBZVNBAKMVDP-UHFFFAOYSA-N
LogP: 3.75 at 20℃
CAS DataBase Reference: 78-51-3(CAS DataBase Reference)
NIST Chemistry Reference: Phosflex T-BEP (78-51-3)
EPA Substance Registry System: Phosflex T-BEP (78-51-3)
ECETOC JACC REPORT: Phosflex T-BEP (78-51-3)
Usage
1. Phosflex T-BEP is a flame retardant plasticizer, mainly used for flame retardant and plasticizing of polyurethane rubber, cellulose, polyvinyl alcohol, etc.
2. Used for acrylonitrile rubber, cellulose acetate, epoxy resin, ethyl cellulose, polyvinyl acetate and thermoplastic and thermosetting polyurethane
Phosflex T-BEP may be used as an analytical reference standard for the quantification of the analyte in herring gull eggs, house dust, and urine samples using liquid chromatography technique.
Primary plasticizer for most resins and elastomers, floor finishes and waxes, flame-retarding agent.
