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
- 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.
Phase change data
Go To: Top, 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.
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, 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
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
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 |
Gas Chromatography
Go To: Top, Phase change data, 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 | 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), 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]
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), 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
- 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.