The Pyridazine hydrochloride is an organic compound with the formula C₄H₄N₂.HCl. The systematic name of this chemical is pyridazine hydrochloride. With the CAS registry number 6164-80-3, it is also named as Pyridazine, monohydrochloride. In addition, the price of this product changes with the market.

The other characteristics of this product can be summarized as: (1)ACD/BCF (pH 5.5): 1; (2)ACD/BCF (pH 7.4): 1; (3)ACD/KOC (pH 5.5): 9.07; (4)ACD/KOC (pH 7.4): 9.08; (5)#H bond acceptors: 2; (6)#H bond donors: 0; (7)#Freely Rotating Bonds: 0; (8)Flash Point: 91.2 °C; (9)Enthalpy of Vaporization: 47.32 kJ/mol; (10)Boiling Point: 227.2 °C at 760 mmHg; (11)Vapour Pressure: 0.0639 mmHg at 25°C; (12)Exact Mass: 115.006301; (13)MonoIsotopic Mass: 115.006301; (14)Topological Polar Surface Area: 25.8; (15)Heavy Atom Count: 7; (16)Formal Charge: -1; (17)Complexity: 30.5.

People can use the following data to convert to the molecule structure. 
1. SMILES: Cl.c1cccnn1;
2. InChI: InChI=1/C4H4N2.ClH/c1-2-4-6-5-3-1;/h1-4H;1H;
3. InChIKey: WFJZBOIOPMOUCB-UHFFFAOYAZ.