Methidathion
- Formula: C6H11N2O3PS2
- Molecular weight: 254.267
- IUPAC Standard InChI: InChI=1S/C6H11N2O4PS3/c1-10-5-7-8(6(9)16-5)4-15-13(14,11-2)12-3/h4H2,1-3H3
- IUPAC Standard InChIKey: MEBQXILRKZHVCX-UHFFFAOYSA-N
- CAS Registry Number: 950-37-8
- 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: Phosphorodithioic acid, S-[(5-methoxy-2-oxo-1,3,4-thiadiazol-3(2H)-yl)methyl] O,O-dimethyl ester; Phosphorodithioic acid, O,O-dimethyl ester, S-ester with 4-(mercaptomethyl)-2-methoxy-Δ2-1,3,4-thiadiazolin-5-one; DMTP; Geigy GS 13005; Geigy 13005; GS 13005; Medathion; Supracid; Supracide; Ultracid; Ultracid 40; S-(2,3-Dihydro-5-methoxy-2-oxo-1,3,4-thiadiazol-3-ylmethyl) O,O-dimethyl phosphorodithioate; Ciba-geigy gs 13005; (O,O-Dimethyl)-S-(-2-methoxy-Δ2-1,3,4-thiadiazolin-5-on-4-ylmethyl)dithiophosphate; S-(2,3-Dihydro-5-methoxy-2-oxo-1,3,4-thiadiazol-3-methyl) dimethyl phosphorothiolothionate; O,O-Dimethyl S-(5-methoxy-1,3,4-thiadiazolinyl-3-methyl) dithiophosphate; O,O-Dimethyl-S-(2-methoxy-1,3,4-thiadiazol-5(4H)-onyl-(4)-methyl) phosphorodithioate; O,O-Dimethyl-S-(2-methoxy-1,3,4-thiadiazol-5-on-4-yl)-methyl-dithiophosphate; O,O-Dimethyl-S-(2-methoxy-1,3,4-thiadiazol-5-(4H)-onyl-(4)-methyl)-dithiophosphate; O,O-Dimethyl-S-((2-methoxy-1,3,4 (4H)-thiodiazol-5-on-4-yl)-methyl)-dithiofosfaat; O,O-Dimetil-S-((2-metossi-1,3,4-(4H)-tiadiazol-5-on-4-il)-metil)-ditiofosfato; ENT 27193; Fisons NC 2964; Methidathion 50S; S-2-Metoksy-1,3,4-tiadiazolo-5-on-N-metylo-O,O-dwumetylowy; S-((5-Methoxy-2-oxo-1,3,4-thiadiazol-3(2H)-yl)methyl) O,O-dimethyl phosphorodithioate; OMS 844; Somonil; Ultracide; Suprathion; DMTP (insecticide); Ultracid EC 40; Dithiophosphoric acid O,O'-dimethyl-S-((2-methoxy-1,3,4-thiadiazol-5(4H)-on-4-yl)methyl) ester; Dithiophosphoric acid O,O'-dimethyl-S-((5-methoxy-1,3,4-thiadiazol-2(3H)-on-3-yl)methyl) ester
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas Chromatography
Go To: Top, References, Notes
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 | OV-1 | 190. | 2046. | Erdmann, Rochholz, et al., 1992 | |
| Packed | SE-30 | 210. | 2064. | Oyama, Sano, et al., 1987 | N2, AW-DMCS; Column diameter: 0.53 mm |
Kovats' RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-1 | 2058. | Hall, Whitehead, et al., 1986 | He, 6. K/min; Column length: 15. m; Column diameter: 0.25 mm; Tstart: 100. C; Tend: 270. C |
| Capillary | DB-5 | 2100. | Hall, Whitehead, et al., 1986 | He, 6. K/min; Column length: 15. m; Column diameter: 0.25 mm; Tstart: 100. C; Tend: 270. C |
Kovats' RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 | 2100. | Tanabe, Mitobe, et al., 2000 | 30. m/0.32 mm/0.25 μm; Program: 50C(1min) => 20C/min => 150C => 10C/min => 280C(4min) |
| Packed | SE-30 | 2092. | Osselton and Snelling, 1986 | N2, Chromosorb W HP; Column length: 2. m; Program: not specified |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SLB-5MS | 2099. | Mondello, Casilli, et al., 2007 | 30. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 70. C; Tend: 300. C |
| Capillary | SLB-5MS | 2103. | Mondello, Casilli, et al., 2007 | 30. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 70. C; Tend: 300. C |
| Capillary | OV-1 | 2037. | Bicchi, D'Amato, et al., 1996 | 25. m/0.25 mm/0.3 μm, H2, 160. C @ 1. min, 5. K/min, 260. C @ 2. min |
| Packed | OV-1 | 2027. | Oyama, Sano, et al., 1987 | N2, AW-DMCS, 2. K/min; Column diameter: 0.53 mm; Tstart: 80. C; Tend: 220. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-1 | 2037. | Bicchi, D'Amato, et al., 1994 | 25. m/0.25 mm/0.3 μm; Program: from 160 0C (1 min) at 1 0/min to 170 0C, then 5 0/min to 270 0C (2min) |
Normal alkane RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Packed | OV-1 | 190. | 2045. | TSunoda, 1986 | Helium, Chromosorb W AW DMCS; Column length: 1. m |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Packed | OV-1 | 2030. | TSunoda, 1986 | Helium, Chromosorb W AW DMCS, 4. K/min, 210. C @ 20. min; Column length: 1. m; Tstart: 140. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | 5 % Phenyl methyl siloxane | 2115. | 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 | 2113. | 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 | HP-5 | 2100. | Kawara, Asada, et al., 2005 | 30. m/0.25 mm/0.25 μm; Program: 50 0C (1 min) 20 0C/min -> 150 0C 10 0C/min -> 280 0C |
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.
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]
Oyama, Sano, et al., 1987
Oyama, N.; Sano, T.; Syoyama, M.; Maeda, K.,
Studies on systematic analysis of poisonous compounds in forensic chemistry. II. Application of capillary column gas chromatography to substance identification by means of retention indices,
Eisei Kagaku, 1987, 33, 5, 342-348, https://doi.org/10.1248/jhs1956.33.342
. [all data]
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]
Osselton and Snelling, 1986
Osselton, M.D.; Snelling, R.D.,
Chromatographic Identification of Pesticides,
J. Chromatogr., 1986, 368, 265-271, https://doi.org/10.1016/S0021-9673(00)91068-9
. [all data]
Mondello, Casilli, et al., 2007
Mondello, L.; Casilli, A.; Tranchida, P.Q.; Presti, M.L.; Dugo, P.; Dugo, G.,
Comprehensive gas chromatography coupled to mass spectrometry for the separation of pesticides in a very complex matrix,
Anal. Bioanal. Chem., 2007, 389, 6, 1755-1763, https://doi.org/10.1007/s00216-007-1412-y
. [all data]
Bicchi, D'Amato, et al., 1996
Bicchi, C.; D'Amato, A.; Binello, A.,
Identification of pesticide residues in real matrices by combining retention indices and specific multidetection responses,
J. Hi. Res. Chromatogr., 1996, 19, 2, 80-84, https://doi.org/10.1002/jhrc.1240190204
. [all data]
Bicchi, D'Amato, et al., 1994
Bicchi, C.; D'Amato, A.; Orlandin, M.,
Identification of the constituents of a complex mixture by combined use of retention indices and specific multidetection responses,
J. Hi. Res. Chromatogr., 1994, 17, 5, 335-338, https://doi.org/10.1002/jhrc.1240170510
. [all data]
TSunoda, 1986
TSunoda, N.,
Simultaneous determination of organophosphorous pesticides in forencis chemistry by gas-liquid chromatography with hydrogen flame ionization detector,
Eisei Kagaku, 1986, 32, 2, 91-100, https://doi.org/10.1248/jhs1956.32.91
. [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]
Kawara, Asada, et al., 2005
Kawara, K.; Asada, T.; Oikawa, K.; Tanabe, A.,
Multiresidue determination of pesticides in sediments by ultrasonically assisted extraction and gas chromatography/mass spectrometry,
J. AOAC International, 2005, 88, 5, 1440-1451. [all data]
Notes
Go To: Top, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.