The 2-Penten-1-ol, with the CAS registry number 20273-24-9, is also known as Trns-2-penten-1-ol. This chemical's molecular formula is C₅H₁₀O and molecular weight is 86.13. What's more, its systematic name is (2E)-pent-2-en-1-ol. 

Physical properties of 2-Penten-1-ol are: (1)ACD/LogP: 1.22; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 1; (4)#H bond donors: 1; (5)#Freely Rotating Bonds: 3; (6)Polar Surface Area: 9.23 Å²; (7)Index of Refraction: 1.437; (8)Molar Refractivity: 26.8 cm³; (9)Molar Volume: 102.1 cm³; (10)Polarizability: 10.62×10^-24 m³; (11)Surface Tension: 27.9 dyne/cm; (12)Density: 0.842 g/cm³; (13)Flash Point: 50.6 °C; (14)Enthalpy of Vaporization: 44.1 kJ/mol; (15)Boiling Point: 141.3 °C at 760 mmHg; (16)Vapour Pressure: 2.41 mmHg at 25°C.

Preparation: this chemical can be prepared by 2-Pentensaeuremethylester. This reaction will need reagents LiAlH₄, AlCl₃ and solvent diethyl ether with the reaction time of 1 hour. The yield is about 90%.

Uses of 2-Penten-1-ol: it can be used to produce 1-bromo-pent-2-ene. It will need reagents pyridine, PBr₃ and solvent petroleum ether with the reaction time of 2 hours. The yield is about 70%.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: OC/C=C/CC
(2)InChI: InChI=1/C5H10O/c1-2-3-4-5-6/h3-4,6H,2,5H2,1H3/b4-3+
(3)InChIKey: BTSIZIIPFNVMHF-ONEGZZNKBH