Methoxychlor
- Formula: C16H15Cl3O2
- Molecular weight: 345.648
- IUPAC Standard InChIKey: IAKOZHOLGAGEJT-UHFFFAOYSA-N
- CAS Registry Number: 72-43-5
- 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: p,p'-Methoxychlor; Benzene, 1,1'-(2,2,2-trichloroethylidene)bis[4-methoxy-; Ethane, 1,1,1-trichloro-2,2-bis(p-methoxyphenyl)-; p,p'-(Dimethoxydiphenyl)trichloroethane; p,p'-DMDT; Di(p-methoxyphenyl)trichloromethyl methane; Dimethoxy-DDT; Dimethoxy-dt; DMDT; Marlate; Methoxy-DDT; Metox; 1,1-Bis(p-methoxyphenyl)-2,2,2-trichloroethane; 1,1,1-Trichloro-2,2-bis(p-methoxyphenyl)ethane; 1,1,1-Trichloro-2,2-di(4-methoxyphenyl)ethane; 2,2-Bis(p-methoxyphenyl)-1,1,1-trichloroethane; Ethane, 2,2-bis(p-anisyl)-1,1,1-trichloro-; ENT 1,716; Maralate; Methoxcide; Metoksychlor; MeOCl; Moxie; NCI-C00497; 1,1,1-Trichloro-2,2-bis(p-anisyl)ethane; 1,1'-(2,2,2-Trichloroethylidene)bis(4-methoxybenzene); 2,2-Bis(p-anisyl)-1,1,1-trichloroethane; 2,2-Di(p-anisyl)-1,1,1-trichloroethane; 2,2-Di(p-methoxyphenyl)-1,1,1-trichloroethane; Chemform; Dianisyltrichlorethane; Double-M ec; p,p'-Dwumetoksydwufenylotrojchloroetan; Flo pro mcseed protectant; Methoxychlore; Methoxychlor 2 EC; Mezox K; OMS 466; RCRA Waste number U247; 1,1,1-Trichlor-2,2-bis(4-methoxy-phenyl)-aethan; 1,1,1-Trichloro-2,2-bis(4-methoxyphenyl)ethane; 2,2,2-Trichloro-1,1-bis(4-methoxyphenyl)ethane; 4,4-(2,2,2-Trichloroethylidene)dianisole; Benzene, 1,1'-(2,2,2-trichloroethylidene)bis*4-methoxy-; pMethoxychlor; 2,2-Bis (p-methoxyphenol)-1,1,1-trichloroethane; Higalmetox; Mesox K
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Phase change data
Go To: Top, Mass spectrum (electron ionization), UV/Visible 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 361.56 | K | N/A | Donnelly, Drewes, et al., 1990 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tfus | 362.7 | K | N/A | Plato and Glasgow, 1969 | Uncertainty assigned by TRC = 0.2 K; TRC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
27.48 | 360.6 | DSC | Donnelly, Drewes, et al., 1990, 2 | AC |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, UV/Visible 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
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 | NIST Mass Spectral Data Center |
NIST MS number | 320500 |
UV/Visible spectrum
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
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Download spectrum in JCAMP-DX format.
Source | Liu, et al., 1972 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 16726 |
Instrument | Perkin-Elmer 402 |
Gas Chromatography
Go To: Top, Phase change data, Mass spectrum (electron ionization), UV/Visible 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, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-1 | 220. | 2413. | Erdmann, Rochholz, et al., 1992 | |
Packed | OV-1 | 200. | 2401. | Dubsky, Hána, et al., 1979 | Column length: 2. m |
Packed | OV-1 | 210. | 2418. | Dubsky, Hána, et al., 1979 | Column length: 2. m |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | SE-30 | 2410. | Ramsey, Lee, et al., 1980 | He, Chromosorb G HP (80-100 mesh); Column length: 1.5 m; Program: not specified |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-1 | 2439.3 | Gautzsch and Zinn, 1996 | 8. K/min; Tstart: 35. C; Tend: 300. C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | OV-1 | 2420. | Marozzi, Gambaro, et al., 1982 | Gas Chrom P, 5. K/min; Column length: 2. m; Tstart: 150. C; Tend: 300. C |
Packed | SE-30 | 2420. | Marozzi, Gambaro, et al., 1982 | Gas Chrom P, 5. K/min; Column length: 2. m; Tstart: 150. C; Tend: 300. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | 5 % Phenyl methyl siloxane | 2491. | 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 | Ultra-1 | 2395. | Tameo and Kiyos, 1991 | Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 2417. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 2420. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Other | Methyl Silicone | 2417. | Ardrey and Moffat, 1981 | Program: not specified |
References
Go To: Top, Phase change data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Donnelly, Drewes, et al., 1990
Donnelly, J.R.; Drewes, L.A.; Johnson, R.L.; Munslow, W.D.; Knapp, K.K.; Sovocool, G.W.,
Purity and heat of fusion data for environmental standards as determined by differential scanning calorimetry,
Thermochim. Acta, 1990, 167, 2, 155, https://doi.org/10.1016/0040-6031(90)80476-F
. [all data]
Plato and Glasgow, 1969
Plato, C.; Glasgow, A.R., Jr.,
Differential scanning calorimetry as a general method for determining the purity and heat of fusion of high-purity organic chemicals. Application to 95 compounds,
Anal. Chem., 1969, 41, 2, 330, https://doi.org/10.1021/ac60271a041
. [all data]
Donnelly, Drewes, et al., 1990, 2
Donnelly, J.R.; Drewes, L.A.; Johnson, R.L.; Munslow, W.D.; Knapp, K.K.; Sovocool, G.W.,
Purity and heat of fusion data for environmental standards as determined by differential scanning calorimetry,
Thermochimica Acta, 1990, 167, 2, 155-187, https://doi.org/10.1016/0040-6031(90)80476-F
. [all data]
Liu, et al., 1972
Liu, H.J., et al.,
Can. J. Chem., 1972, 50, 55. [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]
Dubsky, Hána, et al., 1979
Dubsky, H.; Hána, K.; Komárková, M.; Rittich, B.,
Stanoveni residui chlórovanych pesticidu plynovou chromatografii,
Vet. Med. (Prague), 1979, 24, 3, 493-498. [all data]
Ramsey, Lee, et al., 1980
Ramsey, J.D.; Lee, T.D.; Osselton, M.D.; Moffat, A.C.,
Gas-liquid chromatographic retention indices of 296 non-drug substances on SE-30 or OV-1 likely to be encountered in toxicological analyses,
J. Chromatogr., 1980, 184, 2, 185-206, https://doi.org/10.1016/S0021-9673(00)85641-1
. [all data]
Gautzsch and Zinn, 1996
Gautzsch, R.; Zinn, P.,
Use of incremental models to estimate the retention indexes of aromatic compounds,
Chromatographia, 1996, 43, 3/4, 163-176, https://doi.org/10.1007/BF02292946
. [all data]
Marozzi, Gambaro, et al., 1982
Marozzi, E.; Gambaro, V.; Saligari, E.; Mariani, R.; Lodi, F.,
Use of the retention index in gas chromatographic studies of drugs,
J. Anal. Toxicol., 1982, 6, 4, 185-192, https://doi.org/10.1093/jat/6.4.185
. [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]
Tameo and Kiyos, 1991
Tameo, O.; Kiyos, I.,
Simultaneous determination of pesticides by capillary gas chromatography,
Cannot be traslated (in Japan), 1991, 14, 2, 109-122. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C.,
Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase,
J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1
. [all data]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔfusH Enthalpy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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