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Supelco

Malathion diacid-(dimethyl-d6)

PESTANAL®, analytical standard

Synonym(s):

2-{[Di(methoxy-d3)phosphorothioyl]sulfanyl}succinic acid, O,O-Di(methyl-d3) S-(1,2-dicarboxyethyl) phosphorodithioate, Malathion diacid-d6, Malathiondicarboxylic acid-(dimethyl-d6)

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About This Item

Empirical Formula (Hill Notation):
C6D6H5O6PS2
CAS Number:
1346601-20-4
Molecular Weight:
280.29
UNSPSC Code:
77101502
NACRES:
NA.24

grade

analytical standard

Quality Level

100

product line

PESTANAL®

shelf life

limited shelf life, expiry date on the label

application(s)

agriculture
environmental

format

neat

storage temp.

2-8°C

General description

Malathion diacid-(dimethyl-d6) is a deuterated analog of malathion diacid, the carboxyesterase derivative of organophosphorus insecticide malathion, wherein the O-methyl protons are substituted by deuterium.

Application

Isotope-labeled compounds are increasingly used in isotope dilution mass spectrometry (IDMS) for the quantitative analysis of pesticides. The major advantage of using this technique is that the isotope-labeled compounds have nearly the same physical properties as their non-labeled counterpart analogs, 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.

Legal Information

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

Pictograms

Exclamation markEnvironment
GHS07,GHS09

Signal Word

Warning

Hazard Statements

H302,H317,H410

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCCG3901
BCBZ6423
BCBW0677
SZBF177XV

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The metabolism and synergism of malathion in resistant and susceptible strains of Tribolium castaneum (Herbst)(Coleoptera, Tenebrionidae)
Dyte CE and Rowlands DG
Journal of Stored Products Research, 4(2), 157-173 (1968)

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