The 3-(3,4-Dichlorophenyl)-2-propyn-1-ol ,its cas register number is 220707-94-8. The Systematic name about this chemicals is 3-(3,4-Dichlorophenyl)prop-2-yn-1-ol .The 3-(3,4-Dichlorophenyl)-2-propyn-1-ol ,its cas register number is 220707-94-8. If you want to store this chemical, please keep containers tightly sealed, and store in cool, dry place in tighely closed containers, also ensure good ventilation/exhaustion at the workplace.Follow are some measures about first aid, after inhalation, supply fresh air, if required,provide artificial respiration and keep patient warm.After skin contact, seek immediate medical advice and instantly wash with water, soap and rinse thoroughly.

Following are the chemical properties about 3-(3,4-Dichlorophenyl)-2-propyn-1-ol :(1)#H bond acceptors: 1; (2)#H bond donors: 1; (3)#Freely Rotating Bonds: 2; (4)Polar Surface Area: 20.23Ų; (5)Index of Refraction: 1.617; (6)Molar Refractivity: 49.842 cm³; (7)Molar Volume: 142.501 cm³; (8)Polarizability: 19.759x10^-24cm³; (9)Surface Tension: 57.487 dyne/cm; (10)Enthalpy of Vaporization: 58.702 kJ/mol; (11)Vapour Pressure: 0 mmHg at 25°C

This chemicals can be described computed from structure:
(1)SMILES: Clc1ccc(C#CCO)cc1Cl
(2)InChI: InChI=1/C9H6Cl2O/c10-8-4-3-7(2-1-5-12)6-9(8)11/h3-4,6,12H,5H2 
(3)InChIKey: GXPOBUYOPUKTGF-UHFFFAOYAZ
(4)Std. InChI: InChI=1S/C9H6Cl2O/c10-8-4-3-7(2-1-5-12)6-9(8)11/h3-4,6,12H,5H2
(5)Std. InChIKey: GXPOBUYOPUKTGF-UHFFFAOYSA-N