Poly(allylamine hydrochloride)(CAS No. 71550-12-4) is a cationic polyelectrolyte prepared by the polymerization of allylamine. It can be used in combination with an anionic polyelectrolyte like poly(sodium styrene sulfonate) to form a layer-by-layer adsorbed film of negatively and positively charged polymers. Poly(allylamine hydrochloride) has many biomedical applications.

Physical properties about Poly(allylamine hydrochloride) are: (1)ACD/LogP: 0.029; (2)ACD/LogD (pH 5.5): -3.02; (3)ACD/LogD (pH 7.4): -2.06; (4)ACD/BCF (pH 5.5): 1.00; (5)ACD/BCF (pH 7.4): 1.00; (6)ACD/KOC (pH 5.5): 1.00; (7)ACD/KOC (pH 7.4): 1.00; (8)#H bond acceptors: 1; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 2; (11)Index of Refraction: 1.414; (12)Molar Refractivity: 19.208 cm³; (13)Molar Volume: 76.827 cm³; (14)Polarizability: 7.615 10-24cm³; (15)Surface Tension: 23.7189998626709 dyne/cm; (16)Density: 0.743 g/cm³; (17)Flash Point: -28.889 °C; (18)Enthalpy of Vaporization: 29.731 kJ/mol; (19)Boiling Point: 54.261 °C at 760 mmHg; (20)Vapour Pressure: 246.677993774414 mmHg at 25°C

You can still convert the following datas into molecular structure:
(1)InChI=1S/C3H7N.ClH/c1-2-3-4;/h2H,1,3-4H2;1H;
(2)InChIKey=MLGWTHRHHANFCC-UHFFFAOYSA-N;
(3)SmilesC(=C)CN.Cl;