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Merck
CN

45657

S 421

PESTANAL®, analytical standard

Synonym(s):

Bis(2,3,3,3-tetrachloropropyl) ether

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About This Item

Empirical Formula (Hill Notation):
C6H6Cl8O
CAS Number:
127-90-2
Molecular Weight:
377.74
NACRES:
NA.24
PubChem Substance ID:
329756871
UNSPSC Code:
41116107
EC Number:
204-870-4
MDL number:
MFCD00078679

Key Documents

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Product Name

S 421, PESTANAL®, analytical standard

InChI key

LNJXZKBHJZAIKQ-UHFFFAOYSA-N

InChI

1S/C6H6Cl8O/c7-3(5(9,10)11)1-15-2-4(8)6(12,13)14/h3-4H,1-2H2

SMILES string

ClC(COCC(Cl)C(Cl)(Cl)Cl)C(Cl)(Cl)Cl

grade

analytical standard

product line

PESTANAL®

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

agriculture
environmental

format

neat

Quality Level

100

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Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
S 421 may be used as an analytical reference standard for the determination of S 421 in:
  • Tobacco samples by citrate QuEChERS (quick, easy, cheap, effective, rugged and safe) extraction in acetonitrile solvent, low-temperature precipitation (LTP) and dispersive solid phase extraction (d-SPE) followed by analysis using gas chromatography combined with tandem mass spectrometry (GC-MS/MS) with electron impact (EI) ionization and selected reaction monitoring (SRM) detection.
  • Fresh tea shoots, tea infusion and spent tea leaves by GC coupled with 63Ni electron capture detector (ECD) and GC-MS operating on EI mode of detection.
  • Indoor air samples by GC-EI-MS equipped with selected ion monitoring (SIM) detection.

General description

S 421 belongs to the class of chloroalkyl ether compounds.

Legal Information

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

Storage Class

10 - Combustible liquids

wgk

WGK 2

flash_point_f

350.6 °F

flash_point_c

177 °C

ppe

Eyeshields, Gloves

Regulatory Information

农药列管产品
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Certificates of Analysis (COA)

Lot/Batch Number
BCCH6657
BCCF4057
BCBS8741
BCBS8741V

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Seisaku Yoshida et al.
Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan, 44(3), 175-179 (2003-09-13)
S-421 is a synergist for pyrethroid and organophosphorus pesticides, and is widely used in termiticides or commercial household insecticides. S-421 is mutagenic, stable and ubiquitous in the environment, and has been detected in household dust, surface water, sediments and rain-water.
Identification of the synergist bis(2,3,3,3-tetrachloropropyl)ether in human milk.
T Miyazaki et al.
Bulletin of environmental contamination and toxicology, 26(3), 420-423 (1981-03-01)
Isolation of a new organochlorine pollutant 2,3,3,3,2',3',3',3'-octachlorodipropyl ether from fish.
S Yoshida et al.
Bulletin of environmental contamination and toxicology, 67(4), 568-573 (2002-01-10)
Dissipation behavior of octachlorodipropyl ether residues during tea planting and brewing process.
Liao M, et al.
Environmental Monitoring and Assessment, 188(10), 551-551 (2016)
Residues of the synergist S-421 in human milk collected from the Tokyo metropolitan area.
T Miyazaki
Bulletin of environmental contamination and toxicology, 29(5), 566-569 (1982-11-01)
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