94093
Parathion-methyl-d6 (dimethyl-d6)
PESTANAL®, analytical standard
Synonym(s):
O,O-Dimethyl-d6 O-(4-nitrophenyl) phosphorothioate, Methyl parathion-d6
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About This Item
Empirical Formula (Hill Notation):
C8D6H4NO5PS
CAS Number:
Molecular Weight:
269.24
NACRES:
NA.24
PubChem Substance ID:
UNSPSC Code:
77101502
MDL number:
grade
analytical standard
Quality Segment
isotopic purity
≥99 atom % D
product line
PESTANAL®
assay
≥95.0% (HPLC)
shelf life
limited shelf life, expiry date on the label
storage condition
under inert gas (Argon)
application(s)
agriculture
environmental
format
neat
SMILES string
S=P(OC([2H])([2H])[2H])(OC([2H])([2H])[2H])OC1=CC=C([N+]([O-])=O)C=C1
InChI
1S/C8H10NO5PS/c1-12-15(16,13-2)14-8-5-3-7(4-6-8)9(10)11/h3-6H,1-2H3/i1D3,2D3
InChI key
RLBIQVVOMOPOHC-WFGJKAKNSA-N
General description
Parathion-methyl-d6 (dimethyl-d6) is an isotope-labeled analog of the organophosphorus insecticide, parathion-methyl.
Application
Isotope-labeled compounds are increasingly used in isotope dilution mass spectrometry (IDMS) for the quantitative analysis of pesticides. The main advantage of using the IDMS technique is because isotope-labeled compounds have nearly the same physical properties as their non-labeled counterpart analog, and thus show identical behavior during the workup and sample preparation process. This helps in overcoming the problems of matrix effects generally encountered in the usual LC-MS/GC-MS analysis potentially resulting in biased results. By spiking the sample before workup with its isotope labeled analog, the loss of analyte that leads to matrix effects can be determined and compensated.
Analysis Note
identification (LC-MS): identity conforms
Legal Information
PESTANAL is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Danger
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Acute Tox. 3 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Liq. 3 - STOT RE 2
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
114.8 °F - open cup
flash_point_c
46 °C - open cup
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