1,3-Diphenyltriazene is the organic compound with the formula PhN=N-N(H)Ph (Ph = C6H5). It is a prototypical triazene, i.e. a compound with the functional group RN=N-NR2. It is a pale yellow solid, prepared by the reaction of phenyldiazonium salts with aniline.[3] It is a planar molecule. The N-N distances are 1.287 and 1.337 Å.[4]
Names | |
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Preferred IUPAC name (1E)-1,3-Diphenyl-1-triazene | |
Other names Diazoaminobenzene | |
Identifiers | |
3D model (JSmol) | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.004.764 |
EC Number |
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PubChem CID | |
UNII | |
CompTox Dashboard (EPA) | |
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Properties | |
C12H11N3 | |
Molar mass | 197.241 g·mol−1 |
Appearance | Pale yellow solid |
Density | 1.29 g/cm3 |
Melting point | 95–96[1] °C (203–205 °F; 368–369 K) |
Boiling point | 180 °C (356 °F; 453 K) decomposes[2] |
Hazards | |
GHS labelling: | |
Warning | |
H302, H312, H315, H319, H332, H335 | |
P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
References
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