The Naphazoline, with the CAS registry number 835-31-4, is also known as 1H-Imidazole, 4,5-dihydro-2-(1-naphthalenylmethyl)-. It belongs to the product category of API. Its EINECS registry number is 212-641-5. This chemical's molecular formula is C₁₄H₁₅ClN₂ and molecular weight is 246.74. What's more, its IUPAC name is called 2-(Naphthalen-1-ylmethyl)-4,5-dihydro-1H-imidazole. Naphazoline is a sympathomimetic agent with marked alpha adrenergic activity. It is a vasoconstrictor with a rapid action in reducing swelling when applied to mucous membrane. This chemical acts on alpha-receptors in the arterioles of the conjunctiva to produce constriction, resulting in decreased congestion.

Physical properties about Naphazoline are: (1)ACD/LogP: 2.988; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.99; (4)ACD/LogD (pH 7.4): 1.04; (5)ACD/BCF (pH 5.5): 1.10; (6)ACD/BCF (pH 7.4): 1.25; (7)ACD/KOC (pH 5.5): 10.07; (8)ACD/KOC (pH 7.4): 11.40; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 24.39 Å²; (13)Index of Refraction: 1.64; (14)Molar Refractivity: 65.526 cm³; (15)Molar Volume: 181.848 cm³; (16)Polarizability: 25.976×10^-24 cm³; (17)Surface Tension: 44.63 dyne/cm; (18)Density: 1.156 g/cm³; (19)Flash Point: 220.186 °C; (20)Enthalpy of Vaporization: 67.071 kJ/mol; (21)Boiling Point: 440.466 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25 °C.

Uses of Naphazoline: it is used to produce other chemicals. For example, it can produce 2-(1-naphthylmethyl)imidazole. The reaction occurs with solvent toluene and other condition of heating for 200 hours. The yield is 83 %.

When you are dealing with this chemical, you should be very careful. This chemical may cause damage to health at low levels. It is toxic if swallowed. In case of accident or if you feel unwell you should seek medical advice immediately.

You can still convert the following datas into molecular structure:
(1) SMILES: N\1=C(\NCC/1)Cc2cccc3c2cccc3
(2) InChI: InChI=1S/C14H14N2/c1-2-7-13-11(4-1)5-3-6-12(13)10-14-15-8-9-16-14/h1-7H,8-10H2,(H,15,16)
(3) InChIKey: CNIIGCLFLJGOGP-UHFFFAOYSA-N

The toxicity data is as follows: