This chemical is called (R)-(+)-1,2-Epoxybutane, and its systematic name is (2R)-2-ethyloxirane. With the CAS number of 3760-95-0, its molecular formula is C₄H₈O. The (R)-(+)-1,2-Epoxybutane should be stored at sealed place, and the place should be kept cool and dry. 

Other characteristics of this chemical can be summarised as followings: (1)ACD/LogP: 0.66; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.66; (4)ACD/LogD (pH 7.4): 0.66; (5)ACD/BCF (pH 5.5): 1.86; (6)ACD/BCF (pH 7.4): 1.86; (7)ACD/KOC (pH 5.5): 54.22; (8)ACD/KOC (pH 7.4): 54.22; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 12.53 Å²; (13)Index of Refraction: 1.407; (14)Molar Refractivity: 20.15 cm³; (15)Molar Volume: 81.8 cm³; (16)Polarizability: 7.99×10^-24cm³; (17)Surface Tension: 28.3 dyne/cm; (18)Density: 0.88 g/cm³; (19)Flash Point: 10 °F; (20)Enthalpy of Vaporization: 29.29 kJ/mol; (21)Boiling Point: 63.4 °C at 760 mmHg; (22)Vapour Pressure: 184 mmHg at 25°C; (23)Reflective Index: n20/D 1.386(lit.).

Note: This chemical is harmful by inhalation, in contact with skin and if swallowed. It's easily to cause burns, so keep away from the sources of ignition. In addition, limited evidence shows that it has a carcinogenic effect. When you are using this chemical, please wear suitable protective clothing, gloves and eye/face protection. In case of contacting with eyes, take off immediately all contaminated clothing, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure: 
(1)SMILES: O1[C@H](CC)C1
(2)InChI: InChI=1/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3/t4-/m1/s1
(3)InChIKey: RBACIKXCRWGCBB-SCSAIBSYBX
(4)Std. InChI: InChI=1S/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3/t4-/m1/s1
(5)Std. InChIKey: RBACIKXCRWGCBB-SCSAIBSYSA-N