Omethoate
- Formula: C5H12NO4PS
- Molecular weight: 213.192
- IUPAC Standard InChI: InChI=1S/C5H12NO4PS/c1-6-5(7)4-12-11(8,9-2)10-3/h4H2,1-3H3,(H,6,7)
- IUPAC Standard InChIKey: PZXOQEXFMJCDPG-UHFFFAOYSA-N
- CAS Registry Number: 1113-02-6
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Phosphorothioic acid, O,O-dimethyl S-[2-(methylamino)-2-oxoethyl] ester; Phosphorothioic acid, O,O-dimethyl ester, S-ester with 2-mercapto-N-methylacetamide; Bayer 45432; BAY 45432; Dimethoate Oxygen analog; Dimethoate O-analog; Dimethoate PO isologue; Dimethoxon; Folimat; Folimat 4E; O,O-Dimethyl S-[(methylcarbamoyl)methyl] phosphorothioate; PO-Dimethoate; Acetamide, 2-mercapto-N-methyl-, S-ester with O,O-dimethyl phosphorothioate; BAYER 45,432; O,O-Dimethyl S-(2-(methylamino)-2-oxoethyl)phosphorothioate; O,O-Dimethyl-S-((N-methyl-carbamoyl)-methyl)-monothiofosfaat; O,O-Dimethyl-S-(N-methyl-carbamoyl)-methyl-monothiophosphate; O,O-Dimethyl-S-(N-methylcarbamoylmethyl)phosphorothioate; O,O-Dimethyl S-(N-methylcarbamoylmethyl) phosphorothiolate; Dimethyl-S-(N-methyl-carbamoyl-methyl)phosphorothiolate; O,O-Dimethyl-S-(N-methyl-carbamoyl-methyl)-thiolphosphate; O,O-Dimethyl S-(N-methylcarbamoylmethyl) thiophosphate; O,O-Dimethyl-S-(2-oxo-3-azabutyl)-monothiophosphate; O,O-Dimetil-S-(N-metil-carbamoil)-metil-monotiofosfato; ENT 25,776; O-Analog of dimethoate; Omethoat; P=O-Rogor; S6876; Thiophosphate de O,O-dimethyle et de S-(N-methylcarbamoyl) methyle; Dimethoate oxon; Dimethoate-met
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Gas Chromatography
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | Ultra-2 | 200. | 1640. | Li, Guan, et al., 1995 | Column length: 50. m; Column diameter: 0.32 mm |
| Capillary | Ultra-2 | 220. | 1640. | Li, Guan, et al., 1995 | Column length: 50. m; Column diameter: 0.32 mm |
| Capillary | OV-1 | 160. | 1588. | Erdmann, Rochholz, et al., 1992 | |
| Capillary | OV-1 | 190. | 1603. | Erdmann, Rochholz, et al., 1992 | |
| Capillary | OV-1 | 220. | 1628. | Erdmann, Rochholz, et al., 1992 |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-1 | 1630. | Guan, Li, et al., 1995 | 50. m/0.20 mm/0.6 μm, H2, 2. K/min; Tstart: 180. C; Tend: 240. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | 5 % Phenyl methyl siloxane | 1596. | Department of Food Safety and Welfare, 2006 | 30. m/0.25 mm/0.25 μm, Helium; Program: 50 0C(1 min) 25 0C/min -> 125 0C 10 0C/min -> 300 0C (10 min) |
| Capillary | 5 % Phenyl methyl siloxane | 1596. | Department of Food Safety and Welfare, 2006 | 30. m/0.25 mm/0.25 μm, Helium; Program: 50 0C(1 min) 25 0C/min -> 125 0C 10 0C/min -> 300 0C (10 min) |
References
Go To: Top, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Li, Guan, et al., 1995
Li, L.; Guan, Y.; Zhou, L.,
Standard Kovats indexes of 20 pesticides and their identification in temperature-programmed capillary gas chromatography.,
Fenxi Huaxue, 1995, 23, 1, 14-19. [all data]
Erdmann, Rochholz, et al., 1992
Erdmann, F.; Rochholz, G.; Schütz, H.,
Retention-indices on OV-1 of approximately 170 commonly used pesticides,
Mikrochim. Acta, 1992, 106, 3-6, 219-226, https://doi.org/10.1007/BF01242093
. [all data]
Guan, Li, et al., 1995
Guan, Y.; Li, L.; Zhou, L.,
Factors affecting the reproducibility and reliability of retention simulation in any form of temperature programmed capillary GC,
J. Hi. Res. Chromatogr., 1995, 18, 9, 593-596, https://doi.org/10.1002/jhrc.1240180916
. [all data]
Department of Food Safety and Welfare, 2006
Department of Food Safety, Ministry of Health; Welfare,
Analytical methods for residual compositional substances of agricultural chemicals, feed aadditives, and veterinary drugs in foods, 2006, retrieved from http://www.mhlw.go.jp/english/topics/foodsafety/positivelist060228/de/060526-1a.pdf. [all data]
Notes
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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