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Dyphylline


Phase change data

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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: William E. Acree, Jr., James S. Chickos

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference
39.3435.7Griesser, Auer, et al., 1999

Mass spectrum (electron ionization)

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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

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-9979
NIST MS number 239172

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Gas Chromatography

Go To: Top, Phase change data, Mass spectrum (electron ionization), 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

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillarySPB-1250.2237.Lora-Tamayo, Rams, et al., 1986He; Column length: 25. m; Column diameter: 0.20 mm

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-12266.Sharp, 198715. m/0.25 mm/0.25 «mu»m, He, 130. C @ 1. min, 10. K/min, 290. C @ 10. min

References

Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Griesser, Auer, et al., 1999
Griesser, U.J.; Auer, M.E.; Burger, A., The polymorphic drug substances of the European pharmacopoeia. Part 10. Diprophylline, Sci. Pharm., 1999, 67, 4, 319. [all data]

Lora-Tamayo, Rams, et al., 1986
Lora-Tamayo, C.; Rams, M.A.; Chacon, J.M.R., Gas Chromatographic Data for 187 Nitrogen- or Phosphorus-Containing Drugs and Metabolites of Toxicological Interest Analysed on Methyl Silicone Capillary Columns, J. Chromatogr., 1986, 374, 73-85, https://doi.org/10.1016/S0378-4347(00)83254-5 . [all data]

Sharp, 1987
Sharp, M.E., A rapid screening procedure for acidic and neutral drugs in blood by high resolution gas chromatography, J. Anal. Toxicol., 1987, 11, 1, 8-11, https://doi.org/10.1093/jat/11.1.8 . [all data]


Notes

Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References