2,4-Dibromothiophene

The 2,4-Dibromothiophene is an organic compound with the formula C₄H₂Br₂S. The IUPAC name of this chemical is 2,4-dibromothiophene. With the CAS registry number 3140-92-9, it is also named as thiophene, 2,4-dibromo-. The product's categories are Thiophene & Benzothiophene; Thiophens. Besides, it is a clear colorless to light brown liquid, which should be stored in a cool and dry place.

Physical properties about 2,4-Dibromothiophene are: (1)ACD/LogP: 3.43 ; (2)ACD/LogD (pH 5.5): 3.43; (3)ACD/LogD (pH 7.4): 3.43; (4)ACD/BCF (pH 5.5): 236.09; (5)ACD/BCF (pH 7.4): 236.09; (6)ACD/KOC (pH 5.5): 1738.8; (7)ACD/KOC (pH 7.4): 1738.8; (8)Polar Surface Area: 28.24 Å²; (9)Index of Refraction: 1.638; (10)Molar Refractivity: 40.01 cm³; (11)Molar Volume: 111.2 cm³; (12)Polarizability: 15.86×10^-24cm³; (13)Surface Tension: 47 dyne/cm; (14)Density: 2.174 g/cm³; (15)Flash Point: 82.9 °C; (16)Enthalpy of Vaporization: 43.14 kJ/mol; (17)Boiling Point: 213.4 °C at 760 mmHg; (18)Vapour Pressure: 0.24 mmHg at 25°C.

Preparation: this chemical can be prepared by 2,3,5-tribromo-thiophene. This reaction will need reagent NaBH₄ and solvent dimethylsulfoxide. The reaction time is 4 hours with reaction temperature of 26 °C. The yield is about 87.5%.

Uses of 2,4-Dibromothiophene: it can be used to produce 1-(3',5'-dibromo-[2,2']bithiophenyl-5-yl)-ethanone. It will need reagent acetonitrile with reaction time of 3 hours. The yield is about 99.8%.

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

You can still convert the following datas into molecular structure:
(1)SMILES: Brc1csc(Br)c1
(2)InChI: InChI=1/C4H2Br2S/c5-3-1-4(6)7-2-3/h1-2H
(3)InChIKey: WAQFYSJKIRRXLP-UHFFFAOYAK
(4)Std. InChI: InChI=1S/C4H2Br2S/c5-3-1-4(6)7-2-3/h1-2H
(5)Std. InChIKey: WAQFYSJKIRRXLP-UHFFFAOYSA-N