| Identification | More | [Name]
2,4-Dibromothiophene | [CAS]
3140-92-9 | [Synonyms]
2,4-DIBROMOTHIOPHENE
2,4-Dibromothiophene,94%
2,4-DIBROMOTHIOPHENE, 90+%
2,4-DIBROMOTHIOPHENE 96%
2,4-DIBROMOTHIOPHENE,96% | [EINECS(EC#)]
678-717-9 | [Molecular Formula]
C4H2Br2S | [MDL Number]
MFCD00043889 | [Molecular Weight]
241.93 | [MOL File]
3140-92-9.mol |
| Chemical Properties | Back Directory | [Appearance]
clear colorless to light brown liquid | [Melting point ]
-26.3°C | [Boiling point ]
215°C | [density ]
2.14
| [refractive index ]
1.631-1.633
| [Fp ]
215°C | [storage temp. ]
Keep in dark place,Inert atmosphere,2-8°C | [form ]
liquid | [color ]
Colorless to Light yellow to Light orange | [Specific Gravity]
2.149 | [Water Solubility ]
It is insoluble in water. | [BRN ]
107651 | [InChI]
InChI=1S/C4H2Br2S/c5-3-1-4(6)7-2-3/h1-2H | [InChIKey]
WAQFYSJKIRRXLP-UHFFFAOYSA-N | [SMILES]
C1(Br)SC=C(Br)C=1 | [CAS DataBase Reference]
3140-92-9(CAS DataBase Reference) |
| Safety Data | Back Directory | [Hazard Codes ]
Xn,Xi | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed . | [Safety Statements ]
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing . | [RIDADR ]
UN2810 | [WGK Germany ]
3 | [Hazard Note ]
Irritant | [HazardClass ]
6.1 | [PackingGroup ]
III | [HS Code ]
29349990 | [Storage Class]
6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects | [Hazard Classifications]
Acute Tox. 3 Oral
Eye Dam. 1
Skin Irrit. 2
STOT SE 3 |
| Hazard Information | Back Directory | [Chemical Properties]
clear colorless to light brown liquid | [Uses]
2,4-Dibromothiophene is used as an important raw material and intermediate used in organic Synthesis, pharmaceuticals, agrochemicals and dyestuff. It is also used as an intermediate in organic synthesis. | [Synthesis]
2,3,5-Tribromothiophene (1):120 g (1.43 mol) of thiophene was added to 240 mL of glacial acetic acid and 687 g (4.30 mol) of Br2 was added dropwise at 5-10 °C, stirred at room temperature for 3 h and heated at reflux for 2 h. The residue was then evapo |
|
|