4-Phenyl-1,2,4-triazole-3,5-dione

Modify Date: 2024-01-02 17:40:37

4-Phenyl-1,2,4-triazole-3,5-dione Structure
4-Phenyl-1,2,4-triazole-3,5-dione structure
Common Name 4-Phenyl-1,2,4-triazole-3,5-dione
CAS Number 4233-33-4 Molecular Weight 175.144
Density 1.5±0.1 g/cm3 Boiling Point 263.8±23.0 °C at 760 mmHg
Molecular Formula C8H5N3O2 Melting Point 165-170 °C (dec.)(lit.)
MSDS Chinese USA Flash Point 113.3±22.6 °C

 Names

Name 4-Phenyl-1,2,4-triazoline-3,5-dione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 263.8±23.0 °C at 760 mmHg
Melting Point 165-170 °C (dec.)(lit.)
Molecular Formula C8H5N3O2
Molecular Weight 175.144
Flash Point 113.3±22.6 °C
Exact Mass 175.038177
PSA 62.10000
LogP -0.25
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.701
Storage condition 2-8°C

 Safety Information

Safety Phrases S22-S24/25
RIDADR NONH for all modes of transport
WGK Germany 3

 Synthetic Route

 Articles2

More Articles
Development and optimization of an LC-MS/MS-based method for simultaneous quantification of vitamin D2 , vitamin D3 , 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3.

J. Sep. Sci. 34(1) , 11-20, (2011)

Simultaneous and accurate measurement of vitamin D and 25-hydroxyvitamin D in biological samples is a barrier limiting our ability to define "optimal" vitamin D status. Thus, our goal was to optimize ...

Examination of structurally selective derivatization of vitamin D(3) analogues by electrospray mass spectrometry.

J. Mass Spectrom. 36(1) , 71-8, (2001)

The structural specificity of vitamin D derivatization by PTAD (4-phenyl-1,2,4-triazoline-3,5-dione) was probed using synthetic analogues and ion trap mass spectrometry. EB 1089, a vitamin D(3) analog...

 Synonyms

PTAD
4-PHENYL-1,2,4-TRIAZOLINE-3,5-DIONE
3H-1,2,4-Triazole-3,5(4H)-dione, 4-phenyl-
4-Phenyl-3H-1,2,4-triazole-3,5(4H)-dione,PTAD
EINECS 224-191-7
4-Phenyl-3H-1,2,4-triazole-3,5(4H)-dione
MFCD00003148
4-Phenyl-1,2,4-triazole-3,5-dione