Phosmet

Formula: C₁₁H₁₂NO₃PS
Molecular weight: 269.257
IUPAC Standard InChI: InChI=1S/C11H12NO4PS2/c1-15-17(18,16-2)19-7-12-10(13)8-5-3-4-6-9(8)11(12)14/h3-6H,7H2,1-2H3
IUPAC Standard InChIKey: LMNZTLDVJIUSHT-UHFFFAOYSA-N
CAS Registry Number: 732-11-6
Chemical structure:
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Other names: Imidan; Fosmet; Phosphorodithioic acid, S-[(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)methyl] O,O-dimethyl ester; Phosphorodithioic acid, O,O-dimethyl ester, S-ester with N-(mercaptomethyl)phthalimide; Decemthion; Decemthion P-6; Ftalophos; N-(Mercaptomethyl)phthalimide S-(O,O-dimethyl) phosphorodithioate; O,O-Dimethyl S-(phthalimidomethyl)dithiophosphate; O,O-Dimethyl S-(phthalimidomethyl)phosphorodithioate; O,O-Dimethyl S-(N-phthalimidomethyl)dithiophosphate; Phthalophos; Prolate; PMP; PMP (Pesticide); R 1504; Safidon; Smidan; Stauffer R 1504; Appa; (O,O-Dimethyl-phthalimidiomethyl-dithiophosphate); ENT 25,705; Kemolate; Percolate; Phosphorodithioic acid, S-((1,3-dihydro-1,3-dioxo-isoindol-2-yl)methyl) O,O-dimethyl ester; Phthalimide, N-(mercaptomethyl)-, S-ester with O,O-dimethyl phosphorodithioate; Phthalimido O,O-dimethyl phosphorodithioate; Phthalimidomethyl O,O-dimethyl phosphorodithioate; Imidathion; Simidan
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Gas Chromatography

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Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, temperature ramp

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Column type	Active phase	I	Reference	Comment
Capillary	DB-1	2375.	Hall, Whitehead, et al., 1986	He, 6. K/min; Column length: 15. m; Column diameter: 0.25 mm; T_start: 100. C; T_end: 270. C
Capillary	DB-5	2466.	Hall, Whitehead, et al., 1986	He, 6. K/min; Column length: 15. m; Column diameter: 0.25 mm; T_start: 100. C; T_end: 270. C

Kovats' RI, non-polar column, custom temperature program

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Column type	Active phase	I	Reference	Comment
Capillary	HP-5	2452.	Tanabe, Mitobe, et al., 2000	30. m/0.32 mm/0.25 μm; Program: 50C(1min) => 20C/min => 150C => 10C/min => 280C(4min)

References

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Hall, Whitehead, et al., 1986
Hall, G.L.; Whitehead, W.E.; Mourer, C.R.; Shibamoto, T., A new gas chromatographic retention index for pesticides and related compounds, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1986, 9, 5, 266-271, https://doi.org/10.1002/jhrc.1240090503 . [all data]

Tanabe, Mitobe, et al., 2000
Tanabe, A.; Mitobe, H.; Kawata, K.; Sakai, M.; Yasuhara, A., New monitoring system for ninety pesticides and related compounds in river water by solid-phase extraction with determination by gas chromatography/mass spectrometry, J. AOAC Int., 2000, 83, 1, 61-77. [all data]

Notes

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Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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