- Synonyms: 1,5-Diphenylcarbonic dihydrazider- C13H14N4Or- M = 242,28 g/molr- CAS [140-22-7]r- EINECS-No.: 205-403-7r- Solub. in water: (20 ºC): slightly solubler- Melting point: 170 - 172 ºCr- Tariff number: 2928 00 90 90r- Applications: analytical chemistry, reagent for metals detection.rrSPECIFICATIONSrassay (HPLC): approx. 98 %ridentity (IR-spectrum): passes testrmelting point: 173 - 176 °Crsolubility in aqueous acetone: passes testrinsoluble in C2H5OH : passes testrsensitivity to chromates: passes testrresidue on ignition: max. 0,05 %r