CAS Number 39148-24-8
Molecular Formula C6H18AlO9P3
Molecular Weight 354.105 g/mol
LogP -2.70
  • Fosetyl-Al
  • Aluminium tris(ethyl phosphonate)
  • Phosphonic acid, ethyl ester, aluminum salt (3:1)
  • 39148-24-8
  • Aliette
  • Aliette Extra
  • Aluminium phosethyl
  • Aluminium tris(ethyl phosphonate)
  • Aluminum phosethyl
  • Aluminum tris(ethyl phosphite)
  • Caswell No. 012B
  • Efosite aluminum
  • Efosite-Al
  • EINECS 254-320-2
  • EPA Pesticide Chemical Code 123301
  • Fosetyl Al
  • Fosetyl aluminum
  • Hy-Cote
  • Hy-Tona
  • Rhone-Poulenc
  • Valiant
  • Phosethyl
  • UNII-3979UH4J7X
  • Aluminum tris(O-ethyl phosphonate)
  • Aluminum tris(O-ethylphosphonate)
  • Fosetyl-aluminium
  • Phosethyl Al
  • Phosethyl aluminum
  • Phosphonic acid monoethyl ester aluminum salt
  • 118064-75-8
  • 136752-29-9
  • 328402-73-9
  • 35851-69-5


Separation of Fosetyl-Al on Newcrom R1 HPLC column

Fosetyl-Al can be analyzed by this reverse phase (RP) HPLC method with simple conditions. The mobile phase contains an acetonitrile (MeCN), water, and phosphoric acid. For Mass-Spec (MS) compatible applications the phosphoric acid needs to be replaced with formic acid. Smaller 3 µm particles columns available for fast UPLC applications. This liquid chromatography method is scalable and can be used for isolation impurities in preparative separation. It also suitable for pharmacokinetics.

Separation of Fosetyl-Al on Newcrom C18 HPLC column
Newcrom R1

This column is available in new type of hardware with only one connection end. Learn more about performance and advantage of this new hardware.

Application Analytes:


HPLC Separation of Polar Pesticides on Newcrom B Column View on               Pesticide is a more generic term that includes herbicides, fungicides and insecticides in its definition. Herbicides are used to control unwanted plants, they are also known as weedkillers. Insecticides are used to kill insects. Fungicides are used to kill parasitic fungi. All are heavily used in agriculture. By using HPLC, many different pesticides can be separated and their retention characteristics controlled using the Newcrom B mixed-mode column.


Column Newcrom B, 4.6x150 mm, 5 µm, 100A
Mobile Phase MeCN/H2O - 10/90%
Buffer AmFm pH 3.0 Gradient  5 - 60 mM 15 min
Flow Rate 1 ml/min
Detection CAD

Condition 2

Column Newcrom B, 4.6x150 mm, 5 µm, 100A
Mobile Phase MeCN/H2O - 10/90%
Buffer AmFm pH 3.0 Gradient  5 - 15 mM 10 min
Flow Rate 1 ml/min
Detection CAD


Class of Compounds Pesticides, Herbicides, Fungicides, Insecticides
Analyzing Compounds Aminomethylphosphonic acid (AMPA), Bialaphos, Glyphosate, Phosphorous acid H3PO3, Fosetyl-Al, Bromide, Chlorate, Perchlorate, 3-Methylphosphinicopropionic acid (MPPA), Bromide

Application Analytes:

3-(Methylphosphinico)propionic acid
Aminomethylphosphonic acid (AMPA)
Phosphorous acid
Sodium Bromate