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Merck
CN

36984

EPN

100 μg/mL in acetonitrile, PESTANAL®, analytical standard

Synonym(s):

O-Ethyl O-(4-nitrophenyl) phenylphosphonothioate solution

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About This Item

CAS Number:
2104-64-5
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329755563
EC Number:
200-835-2
Beilstein/REAXYS Number:
2542580
MDL number:
MFCD00055309

Key Documents

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InChI key

AIGRXSNSLVJMEA-UHFFFAOYSA-N

InChI

1S/C14H14NO4PS/c1-2-18-20(21,14-6-4-3-5-7-14)19-13-10-8-12(9-11-13)15(16)17/h3-11H,2H2,1H3

SMILES string

CCOP(=S)(Oc1ccc(cc1)[N+]([O-])=O)c2ccccc2

grade

analytical standard

product line

PESTANAL®

shelf life

limited shelf life, expiry date on the label

concentration

100 μg/mL in acetonitrile

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

application(s)

agriculture

format

single component solution

storage temp.

2-8°C

General description

EPN belongs to the class of organophosphorus insecticides extensively used in agriculture for the control of a wide range of insect pests. Its mode of action involves the inhibition of acetylcholinesterase activity in insects.

Application

EPN may be used as an analytical reference standard for the quantification of the analyte in tea and environmental samples using various chromatography techniques.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Legal Information

PESTANAL is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

35.6 °F

flash_point_c

2 °C

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BCBW6021

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Development of enzyme-linked immunosorbent assays for the organophosphorus insecticide EPN
Shim YJ, et al.
Journal of Agricultural and Food Chemistry, 56(24), 11551-11559 (2008)
Simultaneous multi-determination and transfer of eight pesticide residues from green tea leaves to infusion using gas chromatography
Cho K-S, et al.
Food Chemistry, 165, 532-539 (2014)
Analysis of organophosphorus insecticides from environmental samples using solid-phase microextraction
Magdic S, et al.
Journal of Chromatography A, 736(1-2), 219-228 (1996)
C S Forsyth et al.
Biochemical pharmacology, 38(10), 1597-1603 (1989-05-15)
Cytochrome P-450-dependent monooxygenases are known to activate phosphorothionate insecticides to their oxon (phosphate) analogs by oxidative desulfuration. These activations produced potent anticholinesterases, decreasing the I50 values to rat brain acetylcholinesterase almost 1000-fold (from the 10(-5) M range to the 10(-8)
D L Nelson et al.
Veterinary and human toxicology, 26(4), 305-308 (1984-08-01)
Groups of rats were given either propoxur, were left as untreated controls, or were given phenobarbital, DDT, chlordane or toxaphene which are known to induce liver microsomal detoxification enzymes. Microsomal enzyme activity was measured by testing the ability of liver
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