1,2-Benzenediol, 3-methoxy-
- Formula: C7H8O3
- Molecular weight: 140.1366
- IUPAC Standard InChI: InChI=1S/C7H8O3/c1-10-6-4-2-3-5(8)7(6)9/h2-4,8-9H,1H3
- IUPAC Standard InChIKey: LPYUENQFPVNPHY-UHFFFAOYSA-N
- CAS Registry Number: 934-00-9
- 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: Pyrocatechol, 3-methoxy-; Pyrogallol 1-methyl ether; Pyrogallol 1-monomethyl ether; 1,2-Dihydroxy-3-methoxybenzene; 2,3-Dihydroxyanisole; 3-Methoxy-1,2-benzenediol; 3-Methoxycatechol; 3-Methoxypyrocatechol; 1-O-Methylpyrogallol; 3-Methoxy-o-hydroquinone; 6-Methoxycatechol; NSC 66525; 3-Methoxy-1,2-benzenediol (3-methoxypyrocatechol); Catechol, 3-methoxy
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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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 91.7 ± 0.8 | kJ/mol | N/A | Ribeiro Da Silva, Ribeiro Da Silva, et al., 1986 | AC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔsubH° | 91.7 ± 0.8 | kJ/mol | C | Ribeiro Da Silva, Ribeiro Da Silva, et al., 1986 | ALS |
| ΔsubH° | 91.7 | kJ/mol | N/A | Ribeiro Da Silva, Ribeiro Da Silva, et al., 1986 | DRB |
Reduced pressure boiling point
| Tboil (K) | Pressure (bar) | Reference | Comment |
|---|---|---|---|
| 419.7 | 0.020 | Aldrich Chemical Company Inc., 1990 | BS |
| 402.2 | 0.013 | Weast and Grasselli, 1989 | BS |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ribeiro Da Silva, Ribeiro Da Silva, et al., 1986
Ribeiro Da Silva, M.D.M.C.; Ribeiro Da Silva, M.A.V.; Pilcher, G.,
Enthalpies of combustion of the three trihydroxybenzenes and of 3-methoxycatechol and 4-nitrocatechol,
J. Chem. Thermodyn., 1986, 18, 295-300. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
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]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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