Benzaldehyde, 3,4-dimethoxy-
- Formula: C9H10O3
- Molecular weight: 166.1739
- IUPAC Standard InChI: InChI=1S/C9H10O3/c1-11-8-4-3-7(6-10)5-9(8)12-2/h3-6H,1-2H3
- IUPAC Standard InChIKey: WJUFSDZVCOTFON-UHFFFAOYSA-N
- CAS Registry Number: 120-14-9
- 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: Veratraldehyde; Methylvanillin; Protocatechualdehyde dimethyl ether; Protocatechuic aldehyde dimethyl ether; Vanillin methyl ether; Veratral; Veratric aldehyde; Veratryl aldehyde; 3,4-Dimethoxybenzaldehyde; 3,4-Dimethoxybenzenecarbonal; 4-O-Methylvanillin; p-Veratric aldehyde; Protocatechuecaldehyde dimethyl ether; NSC 24521; Veratrum aldehyde; Benzaldehyde, 3,4-dimethoxy-veratraldehyde
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Phase change data
Go To: Top, 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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 554.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Reduced pressure boiling point
| Tboil (K) | Pressure (atm) | Reference | Comment |
|---|---|---|---|
| 446.7 | 0.024 | Weast and Grasselli, 1989 | BS |
Enthalpy of fusion
| ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 4.85 | 317. | DSC | Temprado, Roux, et al., 2008 | AC |
Gas Chromatography
Go To: Top, Phase change data, 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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | BP-1 | 1427. | Gonny, Bradesi, et al., 2004 | 50. m/0.22 mm/0.25 μm, 2. K/min, 220. C @ 20. min; Tstart: 60. C |
| Capillary | HP-1 | 1425. | Nath, Sarma, et al., 2002 | 24. m/0.32 mm/0.17 μm, He, 60. C @ 2. min, 4. K/min, 250. C @ 20. min |
Van Den Dool and Kratz RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | BP-20 | 2400. | Gonny, Bradesi, et al., 2004 | 50. m/0.22 mm/0.25 μm, 2. K/min, 220. C @ 20. min; Tstart: 60. C |
| Capillary | HP-Innowax | 2420. | Adamiec, Cejpek, et al., 2001 | 30. m/0.25 mm/0.25 μm, N2, 5. K/min; Tstart: 60. C; Tend: 220. C |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-1 | 1422. | Park, Lee, et al., 2004 | 60. m/0.32 mm/0.25 μm, He, 35. C @ 4. min, 2. K/min, 230. C @ 25. min |
| Capillary | DB-1 | 1422. | Park, Lee, et al., 2004 | 60. m/0.32 mm/0.25 μm, He, 35. C @ 4. min, 2. K/min, 230. C @ 25. min |
| Capillary | DB-1 | 1423. | Park, Lee, et al., 2004 | 60. m/0.32 mm/0.25 μm, He, 35. C @ 4. min, 2. K/min, 230. C @ 25. min |
| Capillary | DB-1 | 1423. | Park, Lee, et al., 2004 | 60. m/0.32 mm/0.25 μm, He, 35. C @ 4. min, 2. K/min, 230. C @ 25. min |
| Capillary | DB-1 | 1427. | Guy and Vernin, 1996 | He, 70. C @ 5. min, 3. K/min; Column length: 30. m; Column diameter: 0.25 mm; Tend: 300. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-1 | 1419. | Rowland, Blackman, et al., 1995 | 25. m/0.25 mm/0.25 μm; Program: 30 0C (4 min) 6 K/min -> 200 0C 15 K/min -> 250 0C (20 min) |
| Capillary | DB-1 | 1427. | Marlatt, Ho, et al., 1992 | 30. m/0.25 mm/0.25 μm; Program: not specified |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | TC-Wax | 2417. | Shuichi, Masazumi, et al., 1996 | 80. C @ 5. min, 3. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tend: 240. C |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-Innowax | 2405. | Piasenzotto, Gracco, et al., 2003 | 30. m/0.32 mm/0.5 μm, He; Program: 50C(4min) => 10C/min => 230C(10min) => 10C/min => 250C |
| Capillary | Stabilwax DA | 2409. | Henderson and Henderson, 1992 | 15. m/0.25 mm/0.25 μm, He; Program: not specified |
References
Go To: Top, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Temprado, Roux, et al., 2008
Temprado, M.; Roux, María Victoria; Chickos, J.S.,
Some thermophysical properties of several solid aldehydes,
J Therm Anal Calorim, 2008, 94, 1, 257-262, https://doi.org/10.1007/s10973-007-8883-0
. [all data]
Gonny, Bradesi, et al., 2004
Gonny, M.; Bradesi, P.; Casanova, J.,
Identification of the components of the essential oil from wild Corsican Daucus carota L. using 13C-NMR spectroscopy,
Flavour Fragr. J., 2004, 19, 5, 424-433, https://doi.org/10.1002/ffj.1330
. [all data]
Nath, Sarma, et al., 2002
Nath, S.C.; Sarma, K.K.; Vajezikova, I.; Leclercq, P.A.,
Comparison of volatile inflorescence oils and taxonomy of certain Cymbopogon taxa described as Cymbopogon flexuosus (Nees ex Steud.) Wats.,
Biochem. Syst. Ecol., 2002, 30, 2, 151-162, https://doi.org/10.1016/S0305-1978(01)00066-7
. [all data]
Adamiec, Cejpek, et al., 2001
Adamiec, J.; Cejpek, K.; Rossner, J.; Velisek, J.,
Novel Strecker degradation products of tyrosine and dihydroxyphenylalanine,
Czech. J. Food. Sci., 2001, 19, 1, 13-18. [all data]
Park, Lee, et al., 2004
Park, B.-S.; Lee, K.-G.; Takeoka, G.R.,
Comparison of three sample preparation methods on the recovery of volatiles from taheebo (Tabebuia impetiginosa Martius ex DC),
Flavour Fragr. J., 2004, 19, 4, 287-292, https://doi.org/10.1002/ffj.1345
. [all data]
Guy and Vernin, 1996
Guy, I.; Vernin, G.,
Minor compounds from Cistus ladaniferus L. essential oil from esterel. 2. Acids and phenols,
J. Essent. Oil Res., 1996, 8, 4, 455-462, https://doi.org/10.1080/10412905.1996.9700666
. [all data]
Rowland, Blackman, et al., 1995
Rowland, C.Y.; Blackman, A.J.; D'Arcy, B.R.; Rintoul, G.B.,
Comparison of organic extractives found in leatherwood (Eucryphia lucida) honey and leatherwood flowers and leaves,
J. Agric. Food Chem., 1995, 43, 3, 753-763, https://doi.org/10.1021/jf00051a036
. [all data]
Marlatt, Ho, et al., 1992
Marlatt, C.; Ho, C.-T.; Chien, M.,
Studies of aroma constituents bound as glycosides in tomato,
J. Agric. Food Chem., 1992, 40, 2, 249-252, https://doi.org/10.1021/jf00014a016
. [all data]
Shuichi, Masazumi, et al., 1996
Shuichi, H.; Masazumi, N.; Hiromu, K.; Kiyoshi, F.,
Comparison of volatile compounds berween the crude drugs, Onji-tsutsu and Onji-niki,
Nippon nogei kagaku kaishi, 1996, 70, 2, 151-160. [all data]
Piasenzotto, Gracco, et al., 2003
Piasenzotto, L.; Gracco, L.; Conte, L.,
Solid phase microextraction (SPME) applied to honey quality control,
J. Sci. Food Agric., 2003, 83, 10, 1037-1044, https://doi.org/10.1002/jsfa.1502
. [all data]
Henderson and Henderson, 1992
Henderson, D.E.; Henderson, S.K.,
Thermal decomposition of capsaicin. 1. Interactions with oleic acid at high temperatures,
J. Agric. Food Chem., 1992, 40, 11, 2263-2268, https://doi.org/10.1021/jf00023a042
. [all data]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point ΔfusH Enthalpy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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