3,5-Dimethylpyrazole
- Formula: C5H8N2
- Molecular weight: 96.1304
- IUPAC Standard InChI: InChI=1S/C5H8N2/c1-4-3-5(2)7-6-4/h3H,1-2H3,(H,6,7)
- IUPAC Standard InChIKey: SDXAWLJRERMRKF-UHFFFAOYSA-N
- CAS Registry Number: 67-51-6
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: 1H-Pyrazole, 3,5-dimethyl-; Pyrazole, 3,5-dimethyl-; TH 564; U 6245; 3,5 DMP; 3,5-Dwumetylopirazolu; 3,5-Dimethyl-1H-pyrazole; 1(H)-3,5-Dimethylpyrazole; NSC 8729
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IR Spectrum
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Data compiled by: Coblentz Society, Inc.
- Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
- SOLID (1 mg / 650 mg KBr DISC); PERKIN-ELMER 521 (GRATING); DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
Gas Chromatography
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | OV-101 | 110. | 1010. | Golovnya, Kuz'menko, et al., 2000 | He; Phase thickness: 0.4 μm |
| Capillary | OV-101 | 110. | 1010. | Zhuravleva, 2000 | 50. m/0.3 mm/0.4 μm, He |
Van Den Dool and Kratz RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1675. | Cha, Kim, et al., 1998 | 60. m/0.25 mm/0.25 μm, 40. C @ 5. min, 3. K/min, 200. C @ 60. min |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | VF-5 | 1024. | Shivashankar, Roy, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium; Program: 50 0C (2 min) 3 0C/min -> 200 0C (3 min) 10 0C/min -> 220 0C (8 min) |
| Capillary | VF-5 | 1014. | Shivashankar, Roy, et al., 2012 | 30. m/0.25 mm/0.25 μm, Helium; Program: not specified |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Supelcowax-10 | 1685. | Korány, Mednyánszky, et al., 2000 | 60. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 60. C; Tend: 280. C |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Golovnya, Kuz'menko, et al., 2000
Golovnya, R.V.; Kuz'menko, T.E.; Krikunova, N.I.,
The influence of alkyl substituents on the chromatographic indicator of self-association of N-containing heterocyclic compounds,
Russ. Chem. Bull. (Engl. Transl.), 2000, 49, 2, 321-324, https://doi.org/10.1007/BF02494681
. [all data]
Zhuravleva, 2000
Zhuravleva, I.L.,
Evaluation of the polarity and boiling points of nitrogen-containing heterocyclic compounds by gas chromatography,
Russ. Chem. Bull. (Engl. Transl.), 2000, 49, 2, 325-328, https://doi.org/10.1007/BF02494682
. [all data]
Cha, Kim, et al., 1998
Cha, Y.J.; Kim, H.; Cadwallader, K.R.,
Aroma-active compounds in Kimchi during fermentation,
J. Agric. Food Chem., 1998, 46, 5, 1944-1953, https://doi.org/10.1021/jf9706991
. [all data]
Shivashankar, Roy, et al., 2012
Shivashankar, S.; Roy, T.K.; Moorthy, P.N.R.,
Headspace solid phase micro extraction and GC/MS analysis of the volatile components in seed and cake of Azadirachta indica A. juss,
Chem. Bull. of Politechnika Univ. Timisoara, Romania, 2012, 57(71), 1, 1-6. [all data]
Korány, Mednyánszky, et al., 2000
Korány, K.; Mednyánszky, Zs.; Amtmann, M.,
Preliminary results of a recognition method visualizing the aroma and fragrance features,
Acta Aliment., 2000, 29, 2, 187-198, https://doi.org/10.1556/AAlim.29.2000.2.9
. [all data]
Notes
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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