Pyrenehydrazideisacarbonylreactivedyefortheattachmentofpyrenepolycyclicaromatichydrocarbonresiduestoaldehydesandketones.
Pyreneisablue-emittingfluorescentlabelwhichisespeciallyusefulasaproximityprobe.Whentwopyreneresiduesarelocatedclosetoeachother,alonger-wavelengthexcimerfluorescencecanbedetected.PyrenecanalsobeFRETdonortootherfluorophores.Itsexcitedstatepossessesanunusuallylonglifetimeofmorethan100ns,whichallowstousethisfluorophoreintime-gatedexperiments.
Generalproperties
| Appearance: | offwhitesolid | 
| MassspecM+increment: | 284.1 | 
| Molecularweight: | 338.83 | 
| Molecularformula: | C20H19ClN2O | 
| IUPACname: | 4-(1-pyrenyl)butyricacidhydrazidehydrochloride | 
| Qualitycontrol: | NMR1H,HPLC-MS(95%) | 
| Storageconditions: | Storage:24monthsafterreceivalat-20°Cinthedark.Transportation:atroomtemperatureforupto3weeks.Avoidprolongedexposuretolight.Desiccate. | 
Spectralproperties
| Excitationmaximum,nm: | 343;326;313;276;265;242;234 | 
| Emissionmaximum,nm: | 377;397 |