The 1-Naphthylhydrazine hydrochloride is an organic compound with the formula C₁₀H₁₀N₂^.HCl. The IUPAC name of this chemical is naphthalen-1-ylhydrazine hydrochloride. With the CAS registry number 2243-56-3, it is also named as 1-Hydrazinonaphthalene monohydrochloride. The product's categories are Naphthalene Derivatives; Miscellaneous.

Physical properties about this chemical are: (1)ACD/LogP: 2.48; (2)ACD/LogD (pH 5.5): 2.13; (3)ACD/LogD (pH 7.4): 2.47; (4)ACD/BCF (pH 5.5): 20.05; (5)ACD/BCF (pH 7.4): 44.51; (6)ACD/KOC (pH 5.5): 236.16; (7)ACD/KOC (pH 7.4): 524.41; (8)#H bond acceptors: 2; (9)#H bond donors: 3; (10)#Freely Rotating Bonds: 2; (11)Polar Surface Area: 3.24 Å²; (12)Flash Point: 203.9 °C; (13)Enthalpy of Vaporization: 60.89 kJ/mol; (14)Boiling Point: 362.9 °C at 760 mmHg; (15)Vapour Pressure: 1.87E-05 mmHg at 25°C.

Uses of 1-Naphthylhydrazine hydrochloride: it can be used to produce 2,2,2-trifluoroacetophenone 1-naphthylhydrazone at ambient temperature. It will need reagent 2,2,2-trifluoro-1-phenyl-ethanone  and solvent ethanol with reaction time of 48 hours. The yield is about 56%.

When you are using this chemical, please be cautious about it as the following:
This chemical is harmful by inhalation, in contact with skin and if swallowed. You should not breathe dust. Besides, it is irritating to eyes, respiratory system and skin. When you are using it, wear suitable gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: [Cl-].c1cccc2cccc(N[NH3+])c12
(2)InChI: InChI=1/C10H10N2.ClH/c11-12-10-7-3-5-8-4-1-2-6-9(8)10;/h1-7,12H,11H2;1H
(3)InChIKey: FYSSYOCJFZSKNW-UHFFFAOYAO
(4)Std. InChI: InChI=1S/C10H10N2.ClH/c11-12-10-7-3-5-8-4-1-2-6-9(8)10;/h1-7,12H,11H2;1H 
(5)Std. InChIKey:  FYSSYOCJFZSKNW-UHFFFAOYSA-N