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MET90C

Supelco

Diethyl phosphate

analytical standard

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About This Item

EC Number:
209-912-5
UNSPSC Code:
41116107

grade

analytical standard

packaging

ampule of 100 mg

manufacturer/tradename

Chem Service, Inc. MET-90C

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

agriculture

format

neat

General description

Diethyl phosphate is formed during the metabolism and environmental degradation of chlorpyrifos (CPF), a commonly used insecticide.

Application

Diethyl phosphate is routinely measured in urine as a biomarker of exposure. It may be used as a reference standard for the determination of diethyl phosphate in human urine by liquid chromatography/electrospray tandem mass spectrometry (LC/MS/MS).
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

195.8 °F - closed cup

flash_point_c

91 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

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Direct determination of alkyl phosphates in human urine by liquid chromatography/electrospray tandem mass spectrometry.
Hernandez F, et al.
Rapid Communications in Mass Spectrometry, 16(18), 1766-1773 (2002)
Charles Timchalk et al.
Toxicology, 237(1-3), 145-157 (2007-06-26)
Chlorpyrifos (CPF) is a commonly used diethylphosphorothionate organophosphorus (OP) insecticide. Diethylphosphate (DEP), diethylthiophosphate (DETP) and 3,5,6-trichloro-2-pyridinol (TCPy) are products of metabolism and of environmental degradation of CPF and are routinely measured in urine as biomarkers of exposure. However, because these
Umut Gazi et al.
The Journal of biological chemistry, 286(10), 7822-7829 (2011-01-06)
The mannose receptor (MR) is an endocytic type I membrane molecule with a broad ligand specificity that is involved in both hemostasis and pathogen recognition. Membrane-anchored MR is cleaved by a metalloproteinase into functional soluble MR (sMR) composed of the

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