Azelaic acid
- Formula: C9H16O4
- Molecular weight: 188.2209
- IUPAC Standard InChI: InChI=1S/C9H16O4/c10-8(11)6-4-2-1-3-5-7-9(12)13/h1-7H2,(H,10,11)(H,12,13)
- IUPAC Standard InChIKey: BDJRBEYXGGNYIS-UHFFFAOYSA-N
- CAS Registry Number: 123-99-9
- 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: Nonanedioic acid; Anchoic acid; Emerox 1144; Lepargylic acid; 1,7-Heptanedicarboxylic acid; Heptanedicarboxylic acid; Azelainic acid; Azelaic acid, technical grade; Emerox 1110; 1,9-Nonanedioic acid; 1,7-Dicarboxyheptane; n-Nonanedioic acid; Emery's L-110; Skinoren; ZK-62498; Finacea; NSC 19493
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics 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: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
C9H15O4- + =
By formula: C9H15O4- + H+ = C9H16O4
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1354. ± 8.4 | kJ/mol | CIDC | Kumar, Prabhakar, et al., 2005 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1349. ± 8.4 | kJ/mol | CIDC | Kumar, Prabhakar, et al., 2005 | gas phase |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry 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: John E. Bartmess
De-protonation reactions
C9H15O4- + =
By formula: C9H15O4- + H+ = C9H16O4
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1354. ± 8.4 | kJ/mol | CIDC | Kumar, Prabhakar, et al., 2005 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1349. ± 8.4 | kJ/mol | CIDC | Kumar, Prabhakar, et al., 2005 | gas phase |
Gas Chromatography
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5MS | 1672.2 | Andriamaharavo, 2014 | 30. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min) |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Kumar, Prabhakar, et al., 2005
Kumar, M.R.; Prabhakar, S.; Nagaveni, V.; Vairamani, M.,
Estimation of gas-phase acidities of a series of dicarboxylic acids by the kinetic method,
Rapid Commun. Mass Spectrom., 2005, 19, 8, 1053-1057, https://doi.org/10.1002/rcm.1888
. [all data]
Andriamaharavo, 2014
Andriamaharavo, N.R.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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