Alachlor
- Formula: C14H20ClNO2
- Molecular weight: 269.767
- IUPAC Standard InChI: InChI=1S/C14H20ClNO2/c1-4-11-7-6-8-12(5-2)14(11)16(10-18-3)13(17)9-15/h6-8H,4-5,9-10H2,1-3H3
- IUPAC Standard InChIKey: XCSGPAVHZFQHGE-UHFFFAOYSA-N
- CAS Registry Number: 15972-60-8
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Acetamide, 2-chloro-N-(2,6-diethylphenyl)-N-(methoxymethyl)-; Acetanilide, 2-chloro-2',6'-diethyl-N-(methoxymethyl)-; Alochlor; CP 50144; Lasso; Metachlor; Methachlor; Alanex; Alanox; Alatox 480; Chloressigsaeure-N-(methoxymethyl)-2,6-diaethylanilid; 2-Chloro-N-(2,6-diethyl)phenyl-N-methoxymethylacetamide; Lasso micro-tech; Lazo; Pillarzo; 2-Chloro-2',6'-diethyl-N-(methoxymethyl)acetanilide; Alazine; Alachlore; 2-chloro-N-(methoxymethyl)-N-(2,6-diethyl-phenyl)-acetamide; Lasagrin; alachlor [2-chloro-N-(methoxymethyl)-N-(2',6'-diethyl-phenyl)-acetamide]
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Mass spectrum (electron ionization)
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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
Spectrum
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Additional Data
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| Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | MASS SPECTROMETRY CENTER, UNIV. OF UTAH EPA-PTSEL 4160 |
| NIST MS number | 52726 |
Gas Chromatography
Go To: Top, Mass spectrum (electron ionization), 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. | 1876. | Erdmann, Rochholz, et al., 1992 | |
| Capillary | OV-1 | 220. | 1897. | Erdmann, Rochholz, et al., 1992 |
Kovats' RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-1 | 1882. | 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 | 1918. | 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 | 1893. | Tanabe, Mitobe, et al., 2000 | 30. m/0.32 mm/0.25 μm; Program: 50C(1min) => 20C/min => 150C => 10C/min => 280C(4min) |
| Capillary | DB-5MS | 1903. | Tanabe, Mitobe, et al., 1996 | 30. m/0.32 mm/0.25 μm; Program: 50 C(1min)->20C/min->200C->10C/min->280C (1.5min) |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SLB-5MS | 1889. | 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 | 1896. | Mondello, Casilli, et al., 2007 | 30. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 70. C; Tend: 300. C |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-5 | 1918. | Sette, da Costa, et al., 2004 | 30. m/0.25 mm/0.25 μm, He, 15. K/min; Tstart: 80. C; Tend: 290. C |
| Capillary | Durabond-5 | 1922. | Pereira, Rostad, et al., 1990 | 30. m/0.25 mm/0.25 μm, Helium, 50. C @ 4. min, 6. K/min; Tend: 300. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | 5 % Phenyl methyl siloxane | 1898. | 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 | 1899. | 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 | 1893. | 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 |
Lee's RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Durabond-5 | 320.08 | Pereira, Rostad, et al., 1990 | 30. m/0.25 mm/0.25 μm, Helium, 50. C @ 4. min, 6. K/min; Tend: 300. C |
References
Go To: Top, Mass spectrum (electron ionization), 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]
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]
Tanabe, Mitobe, et al., 1996
Tanabe, A.; Mitobe, H.; Kawata, K.; Sakai, M.,
Monitoring of herbicides in river water by gas chromatography-mass spectrometry and solid-phase extraction,
J. Chromatogr. A, 1996, 754, 1-2, 159-168, https://doi.org/10.1016/S0021-9673(96)00221-X
. [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]
Sette, da Costa, et al., 2004
Sette, L.D.; da Costa, L.A.M.A.; Marsaioli, A.J.; Manfio, G.P.,
Biodegradation of alachlor by soil streptomycetes,
Appl. Microbiol. Biotechnol., 2004, 64, 5, 712-717, https://doi.org/10.1007/s00253-003-1494-1
. [all data]
Pereira, Rostad, et al., 1990
Pereira, W.E.; Rostad, C.E.; Leiker, T.J.,
Determination of trace levels of herbicides and their degradation products in surface and ground waters by gas chromatography/ion trap mass spectrometry,
Anal. Chim. Acta, 1990, 228, 69-75, https://doi.org/10.1016/S0003-2670(00)80480-8
. [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, Mass spectrum (electron ionization), Gas Chromatography, References
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