This chemical is called Propanoic acid, ammonium salt (1:1), and its CAS registry number is 91.11. With the molecular formula of C₃H₉NO₂, its molecular weight is 91.11.

Other characteristics of the Propanoic acid, ammonium salt (1:1) can be summarised as followings: (1)ACD/LogP: 0.25; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.54; (4)ACD/LogD (pH 7.4): -2.33; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 5.3; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 26.3 Å²; (13)Flash Point: 57.7 °C; (14)Enthalpy of Vaporization: 40.08 kJ/mol; (15)Boiling Point: 141.7 °C at 760 mmHg; (16)Vapour Pressure: 4.23 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
1.SMILES: O=C(O)CC.N
2.InChI: InChI=1/C3H6O2.H3N/c1-2-3(4)5;/h2H2,1H3,(H,4,5);1H3
3.InChIKey: XJMWHXZUIGHOBA-UHFFFAOYAU