2,7-Dibromofluorene

The 2,7-Dibromofluorene is an organic compound with the formula C₁₃H₈Br₂. The IUPAC name of this chemical is 2,7-dibromo-9H-fluorene. With the CAS registry number 16433-88-8, it is also named as 9H-Fluorene, 2,7-dibromo-. The product's categories are Product Categories: Fluorene Derivatives; Blocks; Bromides; Fluorenes, Flurenones; Fluorenes; Fluorenes & Fluorenones; Aryl; C13 to C37+; Halogenated Hydrocarbons. Besides, it is a white to off-white crystalline powder, which should be stored in a closed dark and dry place. As pharmaceutical and pesticide intermediates, it is also used as raw materials of optical materials.

Physical properties about 2,7-Dibromofluorene are: (1)ACD/LogP: 5.71; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.71; (4)ACD/LogD (pH 7.4): 5.71; (5)ACD/BCF (pH 5.5): 12803.73; (6)ACD/BCF (pH 7.4): 12803.73; (7)ACD/KOC (pH 5.5): 30312.37; (8)ACD/KOC (pH 7.4): 30312.37; (9)Index of Refraction: 1.691; (10)Molar Refractivity: 69.17 cm³; (11)Molar Volume: 180.7 cm³; (12)Polarizability: 27.42×10^-24cm³; (13)Surface Tension: 53 dyne/cm; (14)Density: 1.793 g/cm³; (15)Flash Point: 230.9 °C; (16)Enthalpy of Vaporization: 62.84 kJ/mol; (17)Boiling Point: 402.7 °C at 760 mmHg; (18)Vapour Pressure: 2.5E-06 mmHg at 25°C.

Preparation: this chemical can be prepared by fluorene. This reaction will need reagent CuBr₂, Al₂O₃ and solvent CCl₄. The reaction time is 5 hours by heating. The yield is about 97%.

Uses of 2,7-Dibromofluorene: it can be used to produce 2,7-dibromo-fluoren-9-one. It will need reagent glacial acetic acid and CrO₃.

When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: Brc3ccc2c1ccc(Br)cc1Cc2c3
(2)InChI: InChI=1/C13H8Br2/c14-10-1-3-12-8(6-10)5-9-7-11(15)2-4-13(9)12/h1-4,6-7H,5H2
(3)InChIKey: AVXFJPFSWLMKSG-UHFFFAOYAM
(4)Std. InChI: InChI=1S/C13H8Br2/c14-10-1-3-12-8(6-10)5-9-7-11(15)2-4-13(9)12/h1-4,6-7H,5H2
(5)Std. InChIKey: AVXFJPFSWLMKSG-UHFFFAOYSA-N