Octadecanoic acid
- Formula: C18H36O2
- Molecular weight: 284.4772
- IUPAC Standard InChI: InChI=1S/C18H36O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h2-17H2,1H3,(H,19,20)
- IUPAC Standard InChIKey: QIQXTHQIDYTFRH-UHFFFAOYSA-N
- CAS Registry Number: 57-11-4
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Stearic acid; n-Octadecanoic acid; Humko Industrene R; Hydrofol Acid 150; Hystrene S-97; Hystrene T-70; Hystrene 80; Industrene R; Kam 1000; Kam 2000; Kam 3000; Neo-Fat 18; Neo-Fat 18-53; Neo-Fat 18-54; Neo-Fat 18-55; Neo-Fat 18-59; NAA 173; PD 185; Stearex Beads; Stearophanic acid; Steric acid; Vanicol; 1-Heptadecanecarboxylic acid; Heptadecanecarboxylic acid; Neo-fat 18-61; Pearl stearic; Century 1240; Dar-chem 14; Emersol 120; Emersol 132; Emersol 150; Formula 300; Glycon DP; Glycon TP; Glycon S-70; Glycon S-80; Glycon S-90; Groco 54; Groco 55; Groco 55L; Groco 58; Groco 59; Hy-phi 1199; Hy-phi 1205; Hy-phi 1303; Hy-phi 1401; Hydrofol acid 1655; Hydrofol acid 1855; Hydrofol 1895; Hystrene 4516; Hystrene 5016; Hystrene 7018; Hystrene 9718; Industrene 5016; Neo-Fat 18-S; Tegostearic 254; Tegostearic 255; Tegostearic 272; Cetylacetic acid; Industrene 8718; Industrene 9018; Barolub FTA; Loxiol G 20; Lunac S 20; Emersol 153; Century 1210; Century 1220; Century 1230; Emersol 6349; Hystrene 7018 FG; Hystrene 9718 NF FG; Industrene 4518; Industrene 7018 FG; n-Octadecylic acid; Pristerene 4904; Promulsin; Proviscol wax; Stearex; Tsubaki; Vis-Plus; Prifac 2918; Adeka Fatty Acid SA 910; Century 1224; Edenor C18; Hydrofol Acid 1895; Kiri stearic acid; Lunac S 40; SA 400 (fatty acid); WO 2 (fatty acid); Octadecanoic acid (stearic acid); Emersol 110 (Salt/Mix); Emery 400 (Salt/Mix)
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Kovats' 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 |
|---|---|---|---|
| Active phase | BP-1 | BP-1 | SPB-1 |
| Column length (m) | 25. | 30. | 30. |
| Carrier gas | N2 | N2 | He |
| Substrate | |||
| Column diameter (mm) | 0.32 | 0.32 | 0.32 |
| Phase thickness (μm) | 0.25 | 0.25 | 0.25 |
| Tstart (C) | 60. | 60. | 60. |
| Tend (C) | 220. | 220. | 250. |
| Heat rate (K/min) | 5. | 5. | 2. |
| Initial hold (min) | 2. | ||
| Final hold (min) | 13. | 3. | 5. |
| I | 2179. | 2161. | 2192. |
| Reference | Raina, Verma, et al., 2006 | Srivastava, Srivastava, et al., 2006 | Nagarajan, Rao, et al., 2001 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Kovats' 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.
Raina, Verma, et al., 2006
Raina, V.K.; Verma, S.C.; Dhawan, S.; Khan, M.; Ramesh, S.; Singh, S.C.; Yadav, A.; Srivastava, S.K.,
Essential oil composition of Murraya exotica from the plains of northern India,
Flavour Fragr. J., 2006, 21, 1, 140-142, https://doi.org/10.1002/ffj.1547
. [all data]
Srivastava, Srivastava, et al., 2006
Srivastava, A.K.; Srivastava, S.K.; Syamsundar, K.V.,
Volatile composition of Curcuma angustifolia Roxb. rhizome from central and southern India,
Flavour Fragr. J., 2006, 21, 3, 423-426, https://doi.org/10.1002/ffj.1680
. [all data]
Nagarajan, Rao, et al., 2001
Nagarajan, S.; Rao, L.J.M.; Guirudutt, K.N.,
Chemical composition of the volatiles of Decalepis hamiltonii (Wight Arn),
Flavour Fragr. J., 2001, 16, 1, 27-29, https://doi.org/10.1002/1099-1026(200101/02)16:1<27::AID-FFJ937>3.0.CO;2-F
. [all data]
Notes
Go To: Top, Kovats' 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
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