chem
English SynonymsAKOS BBS-00004503;AKOS 90783;Benzhydrazide,97%;Benzolhydrazine;benzoic acid hydrozide;Azelastine Impurity A;Azelastine HCl EP Impurity A;Azelastine Impurity 3(EP Impurity A)Benzoyl Hydrazide PropertiesMelting Point112-114 °C (lit.)Boiling Point250.42°C (rough estimate)Density1.1778
613-94-5
C7H8N2O
136.15
AKOS BBS-00004503;AKOS 90783;Benzhydrazide,97%;Benzolhydrazine;benzoic acid hydrozide;Azelastine Impurity A;Azelastine HCl EP Impurity A;Azelastine Impurity 3(EP Impurity A)
Melting Point | 112-114 °C (lit.) |
Boiling Point | 250.42°C (rough estimate) |
Density | 1.1778 (rough estimate) |
Refractive Index | 1.5460 (estimate) |
Storage Conditions | Keep in Dark Place,Inert Atmosphere,Room Temperature |
Solubility | Soluble in Dmso (A Little), Methanol (A Little) |
Acidity Coefficient (pKa) | pK1: 3.03(+2);pK2: 12.45(+1) (25°C) |
Form | Needle Crystal or Powder |
Color | White to Beige |
White to Slightly Yellow Crystals.
For Organic Synthesis.
Toxic Substances.
Highly Toxic.
Reacts Violently with Phenylselenic Acid.
Combustible; Combustion Produces Toxic Nitrogen Oxide Fumes.