2-BROMO-2-BUTENE

The 2-Butene, 2-bromo-, with CAS registry number 13294-71-8, belongs to the following product categories: (1)Alkenyl; (2)Halogenated Hydrocarbons; (3)Organic Building Blocks. It has the systematic name of (2E)-2-bromobut-2-ene. This chemical is a kind of clear yellow to brownish liquid. And this chemical should be stored at the temperature of 2-8°C. And the chemical formula of this chemical is C₄H₇Br. What's more, its EINECS is 236-316-2.

Physical properties of 2-Butene, 2-bromo-: (1)ACD/LogP: 2.68; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 0; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 0; (6)Polar Surface Area: 0 Å²; (7)Index of Refraction: 1.469; (8)Molar Refractivity: 28.21 cm³; (9)Molar Volume: 101.1 cm³; (10)Polarizability: 11.18×10^-24cm³; (11)Surface Tension: 25.2 dyne/cm; (12)Density: 1.334 g/cm³; (13)Flash Point: 13.6 °C; (14)Enthalpy of Vaporization: 31.98 kJ/mol; (15)Boiling Point: 93.9 °C at 760 mmHg; (16)Vapour Pressure: 55.2 mmHg at 25°C.

Uses of 2-Butene, 2-bromo-: it can be used to produce 3,4-dimethyl-hexa-2,4-diene. This reaction will need reagents NiBr₂bpy, bpy. The reaction temperature is 20 ℃. The yield is about 50%.

When you are using this chemical, please be cautious about it as the following:
The 2-Butene, 2-bromo- is highly flammable, so keep it away from sources of ignition. You should not empty into drains. And you should take precautionary measures against static discharges.

You can still convert the following datas into molecular structure:
(1)SMILES: Br/C(=C/C)C
(2)InChI: InChI=1/C4H7Br/c1-3-4(2)5/h3H,1-2H3/b4-3+
(3)InChIKey: UILZQFGKPHAAOU-ONEGZZNKBN
(4)Std. InChI: InChI=1S/C4H7Br/c1-3-4(2)5/h3H,1-2H3/b4-3+
(5)Std. InChIKey: UILZQFGKPHAAOU-ONEGZZNKSA-N