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Merck
CN

46192

Paraoxon-methyl

PESTANAL®, analytical standard

Synonym(s):

O,O-Dimethyl O-(4-nitrophenyl) phosphate

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About This Item

Empirical Formula (Hill Notation):
C8H10NO6P
CAS Number:
950-35-6
Molecular Weight:
247.14
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329757097
MDL number:
MFCD00055531
Beilstein/REAXYS Number:
1884904

Key Documents

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InChI key

BAFQDKPJKOLXFZ-UHFFFAOYSA-N

SMILES string

COP(=O)(OC)Oc1ccc(cc1)[N+]([O-])=O

InChI

1S/C8H10NO6P/c1-13-16(12,14-2)15-8-5-3-7(4-6-8)9(10)11/h3-6H,1-2H3

grade

analytical standard

product line

PESTANAL®

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, NMR: suitable, gas chromatography (GC): suitable

refractive index

n20/D 1.523

mp

0-4 °C

suitability

passes test for identity (NMR)

application(s)

agriculture
environmental

format

neat

storage temp.

2-8°C

Quality Level

100

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General description

Paraoxon-methyl is an oxon derivative and a major metabolite of parathionbelonging to the class of organophosphate insecticides.

Application

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

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Legal Information

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

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Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 1 Inhalation - Acute Tox. 1 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 1

target_organs

Nervous system

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

212.0 °F - closed cup

flash_point_c

100 °C - closed cup

ppe

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

Regulatory Information

危险化学品
剧毒化学品
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Certificates of Analysis (COA)

Lot/Batch Number
BCCJ9984
BCCH6269
BCCF7777
BCCC4663
BCBV6192

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Determination of organophosphorus pesticide residues in Cilento (Campania, Italy) virgin olive oil by capillary gas chromatography
Rastrelli L, et al.
Food Chemistry, 79(3), 303-305 (2002)
Characterization of organophosphorus compounds and phenylurea herbicides by positive and negative ion thermospray liquid chromatography-mass spectrometry
Barcelo.D and Albaiges.J
Journal of Chromatography A, 474(1), 163-173 (1989)
Applications of thermospray liquid chromatography-mass spectrometry in photochemical studies of pesticides in water
Durand.G, et al.
Journal of Chromatography A, 554(1-2), 233-250 (1991)
Manildo M Oliveira et al.
Marine environmental research, 63(4), 303-312 (2006-11-23)
Brain acetylcholinesterase (AChE) of some fishes from the coast of Rio de Janeiro State was studied as a possible pesticide biomarker in marine environmental monitoring. AChE specific activity in brain varied from 145 to 530 U/g of proteins and the
Jiguo Wu et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 45(10), 2057-2063 (2007-07-03)
The effects of organophosphorus pesticides (OPs), oxons and their ozonation byproducts on gap junctional intercellular communication (GJIC) on cultured BRL cell line were investigated using scrape loading and dye transfer (SL/DT) technique. The neutral red uptake assay was used to
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