Demeton-S
- Formula: C8H19O3PS2
- Molecular weight: 258.338
- IUPAC Standard InChI: InChI=1S/C8H19O3PS2/c1-4-10-12(9,11-5-2)14-8-7-13-6-3/h4-8H2,1-3H3
- IUPAC Standard InChIKey: GRPRVIYRYGLIJU-UHFFFAOYSA-N
- CAS Registry Number: 126-75-0
- 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-diethyl S-[2-(ethylthio)ethyl] ester; Demeton thiolo; Demetonthiol; Ethylthionodemeton; Isosystox; IS; O,O-Diethyl S-[2-(Ethylthio)ethyl] phosphorothioate; O,O-Diethyl S-[2-(ethylthio)ethyl] thiophosphate; Systox-thiol; Thioldemeton; O,O-Diaethyl-S(2-aethylthio-aethyl)-monothiophosphat; Diethyl S-(2-ethioethyl)thiophosphate; O,O-Diethyl S-(2-eththioethyl)phosphorothioate; O,O-Diethyl S-ethyl-2-ethylmercaptophosphorothiolate; O,O-Diethyl S-(2-(ethylthio)ethyl) phosphorothiolate; O,O-Diethyl-S-(2-ethylthio-ethyl)-monothiofosfaat; O,O-Dietil-S-(2-etiltio-etil)-monotiofosfato; O,O-Dietyl-S-2-etylmerkaptoetyltiofosfat; Isodemeton; Izosystox; Po-systox; Thiol systox; Thiophosphate de O,O-diethyle et de S-(2-ethylthio-ethyle); Disulfoton O-analog; Disulfoton oxon; IS (pesticide)
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Phase change data
Go To: Top, IR Spectrum, Gas Chromatography, 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: William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 76.4 | kJ/mol | A | Stephenson and Malanowski, 1987 | Based on data from 283. to 401. K. See also Dykyj, Svoboda, et al., 1999. |
IR Spectrum
Go To: Top, Phase change data, Gas Chromatography, 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
Gas Phase Spectrum
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
View spectrum image in SVG format.
Download spectrum in JCAMP-DX format.
| Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | NIST Mass Spectrometry Data Center |
| State | gas |
| Instrument | HP-GC/MS/IRD |
Gas Chromatography
Go To: Top, Phase change data, IR Spectrum, 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, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-1 | 1706. | 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 | 1738. | Hall, Whitehead, et al., 1986 | He, 6. K/min; Column length: 15. m; Column diameter: 0.25 mm; Tstart: 100. C; Tend: 270. C |
References
Go To: Top, Phase change data, IR Spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [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]
Notes
Go To: Top, Phase change data, IR Spectrum, Gas Chromatography, References
- Symbols used in this document:
ΔvapH° Enthalpy of vaporization at standard conditions - 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.