The 1-Propene,1-bromo-2-methyl- (9CI), with the CAS registry number 3017-69-4, is also known as β,β-Dimethylvinylbromide. This chemical's molecular formula is C₄H₇Br and molecular weight is 135.00238. Its IUPAC name is called 1-bromo-2-methylprop-1-ene. The product should be sealed and stored in cool place at the temerature of 2-8 °C.

Physical properties of 1-Propene,1-bromo-2-methyl- (9CI): (1)ACD/LogP: 2.68; (2)ACD/LogD (pH 5.5): 2.68; (3)ACD/LogD (pH 7.4): 2.68; (4)ACD/BCF (pH 5.5): 64.2; (5)ACD/BCF (pH 7.4): 64.2; (6)ACD/KOC (pH 5.5): 684.61; (7)ACD/KOC (pH 7.4): 684.61; (8)Index of Refraction: 1.469; (9)Molar Refractivity: 28.21 cm³; (10)Molar Volume: 101.1 cm³; (11)Surface Tension: 25.2 dyne/cm; (12)Density: 1.334 g/cm³; (13)Flash Point: 13.6 °C; (14)Enthalpy of Vaporization: 31.38 kJ/mol; (15)Boiling Point: 87.2 °C at 760 mmHg; (16)Vapour Pressure: 72.4 mmHg at 25°C.

Preparation: this chemical can be prepared by 1,2-dibromo-2-methyl-propane. This reaction will need reagent potassium hydroxide and solvent ethane-1,2-diol. The reaction temperature is 140 °C. The yield is about 48%.

Uses of 1-Propene,1-bromo-2-methyl- (9CI): it can be used to produce 2,5-dimethyl-hexa-2,4-diene at temperature of 55 - 65 °C. This reaction will need reagent sodium and benzene.

When you are using this chemical, please be cautious about it as the following:
This chemical that may catch fire in contact with air and only need brief contact with an ignition source which has a very low flash point or evolve highly flammable gases in contact with water. Besides, it may cause inflammation to the skin or other mucous membranes. And this chemical is highly flammable. At last, it is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CC(=CBr)C
(2)InChI: InChI=1S/C4H7Br/c1-4(2)3-5/h3H,1-2H3
(3)InChIKey: DEFNUDNHTUZJAL-UHFFFAOYSA-N