Acetaldehyde
- Formula: C2H4O
- Molecular weight: 44.0526
- IUPAC Standard InChI: InChI=1S/C2H4O/c1-2-3/h2H,1H3
- IUPAC Standard InChIKey: IKHGUXGNUITLKF-UHFFFAOYSA-N
- CAS Registry Number: 75-07-0
- 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: Acetic aldehyde; Ethanal; Ethyl aldehyde; CH3CHO; Acetaldehyd; Aldehyde acetique; Aldeide acetica; NCI-C56326; Octowy aldehyd; Acetylaldehyde; Rcra waste number U001; UN 1089; NSC 7594
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Gas phase thermochemistry data
- Condensed phase thermochemistry data
- Phase change data
- Reaction thermochemistry data
- Henry's Law data
- Gas phase ion energetics data
- Ion clustering data
- IR Spectrum
- Mass spectrum (electron ionization)
- UV/Visible spectrum
- Vibrational and/or electronic energy levels
- Gas Chromatography
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
- NIST / TRC Web Thermo Tables, "lite" edition (thermophysical and thermochemical data)
- NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)
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.
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Go To: Top, 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
| Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
|---|---|---|---|---|---|
| Active phase | CP Sil 5 CB | CP Sil 5 CB | CP Sil 5 CB | CP Sil 5 CB | DB-1 |
| Column length (m) | 30. | 50. | 50. | 50. | 30. |
| Carrier gas | H2 | He | He | He | He |
| Substrate | |||||
| Column diameter (mm) | 0.25 | 0.32 | 0.32 | 0.32 | 0.32 |
| Phase thickness (μm) | 0.25 | 0.4 | 0.4 | 0.4 | 5. |
| Tstart (C) | 60. | 60. | 60. | 60. | 35. |
| Tend (C) | 280. | 280. | 280. | 280. | 270. |
| Heat rate (K/min) | 2. | 3. | 3. | 3. | 10. |
| Initial hold (min) | 10. | 10. | 10. | 10. | 1. |
| Final hold (min) | 40. | 60. | 60. | 60. | |
| I | 381. | 381. | 381. | 381. | 359. |
| Reference | Pino, Marbot, et al., 2002 | Pino, Marbot, et al., 2002, 2 | Pino and Marbot, 2001 | Pino, Marbot, et al., 2001 | Bartelt, 1997 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary |
|---|---|
| Active phase | HP-101 |
| Column length (m) | 50. |
| Carrier gas | N2 |
| Substrate | |
| Column diameter (mm) | 0.25 |
| Phase thickness (μm) | |
| Tstart (C) | 70. |
| Tend (C) | 200. |
| Heat rate (K/min) | 3. |
| Initial hold (min) | |
| Final hold (min) | |
| I | 418. |
| Reference | Chung, Eiserich, et al., 1993 |
| Comment | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz RI, non-polar column, temperature ramp, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Pino, Marbot, et al., 2002
Pino, J.A.; Marbot, R.; Bello, A.,
Volatile compounds of Psidium salutare (H.B.K.) Berg. fruit,
J. Agric. Food Chem., 2002, 50, 18, 5146-5148, https://doi.org/10.1021/jf0116303
. [all data]
Pino, Marbot, et al., 2002, 2
Pino, J.A.; Marbot, R.; Vázquez, C.,
Characterization of volatile in Cosa Rican Guava [Psidium friedrichsthalianum (Berg) Niedenzu] fruit,
J. Agric. Food Chem., 2002, 50, 21, 6023-6026, https://doi.org/10.1021/jf011456i
. [all data]
Pino and Marbot, 2001
Pino, J.A.; Marbot, R.,
Volatile flavor constituents of acerola (Malpighia emarginata DC.) fruit,
J. Agric. Food Chem., 2001, 49, 12, 5880-5882, https://doi.org/10.1021/jf010270g
. [all data]
Pino, Marbot, et al., 2001
Pino, J.A.; Marbot, R.; Vázquez, C.,
Characterization of volatiles in strawberry guava (Psidium cattleianum Sabine) fruit,
J. Agric. Food Chem., 2001, 49, 12, 5883-5887, https://doi.org/10.1021/jf010414r
. [all data]
Bartelt, 1997
Bartelt, R.J.,
Calibration of a commercial solid-phase microextraction device for measuring headspace concentrations of organic volatiles,
Anal. Chem., 1997, 69, 3, 364-372, https://doi.org/10.1021/ac960820n
. [all data]
Chung, Eiserich, et al., 1993
Chung, T.Y.; Eiserich, J.P.; Shibamoto, T.,
Volatile compounds isolated from edible Korean chamchwi (Aster scaber Thunb),
J. Agric. Food Chem., 1993, 41, 10, 1693-1697, https://doi.org/10.1021/jf00034a033
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz RI, non-polar column, temperature ramp, References
- Symbols used in this document:
Tend Final temperature Tstart Initial temperature - 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.