2H-1-Benzopyran-2-one, 7-methyl-
- Formula: C10H8O2
- Molecular weight: 160.1693
- IUPAC Standard InChIKey: DLHXRDUXNVEIEY-UHFFFAOYSA-N
- CAS Registry Number: 2445-83-2
- 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: 7-Methylcoumarin; Coumarin, 7-methyl-; 7-Methyl-2H-1-benzopyran-2-one
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Phase change data
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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: Robert L. Brown and Stephen E. Stein
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference |
---|---|---|
444.7 | 0.015 | Weast and Grasselli, 1989 |
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 | RADIAN CORP |
NIST MS number | 70406 |
Gas Chromatography
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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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | LM-1 | 170. | 1545. | Soares, Monache, et al., 1999 | 25. m/0.25 mm/0.25 μm, H2 |
Capillary | LM-1 | 190. | 1562. | Soares, Monache, et al., 1999 | 25. m/0.25 mm/0.25 μm, H2 |
Capillary | LM-1 | 210. | 1574. | Soares, Monache, et al., 1999 | 25. m/0.25 mm/0.25 μm, H2 |
Capillary | CBP-5 | 170. | 1586. | Soares, Monache, et al., 1999 | 25. m/0.25 mm/0.22 μm, H2 |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 1553. | Vinogradov, 2004 | Program: not specified |
Capillary | OV-101 | 1553. | Shibamoto, 1987 | Program: not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 2620. | Vinogradov, 2004 | Program: not specified |
Capillary | Carbowax 20M | 2620. | Shibamoto, 1987 | 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.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Soares, Monache, et al., 1999
Soares, M.F.; Monache, F.D.; Heinzen, V.E.F.; Yunes, R.A.,
Prediction of gas chromatographic retention indices of coumarins,
J. Braz. Chem. Soc., 1999, 10, 3, 189-196, https://doi.org/10.1590/S0103-50531999000300006
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Shibamoto, 1987
Shibamoto, T.,
Retention Indices in Essential Oil Analysis
in Capillary Gas Chromatography in Essential Oil Analysis, Sandra, P.; Bicchi, C., ed(s)., Hutchig Verlag, Heidelberg, New York, 1987, 259-274. [all data]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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