3,4-Dibromothiophene

Names

[ Name ]:
3,4-Dibromothiophene

[Synonym ]:
3,4-Dibromothiophene
Thiophene, 3,4-dibromo-
Thiophene,4-dibromo
Thiophene,3,4-dibromo
3,4-dibromo-thiophene
3,4-bromothiophene
3,4-Dibromthiophen
EINECS 221-546-8
MFCD00005465

Chemical & Physical Properties

[ Density]:
2.2±0.1 g/cm3

[ Boiling Point ]:
221.5±0.0 °C at 760 mmHg

[ Melting Point ]:
4-5 °C(lit.)

[ Molecular Formula ]:
C₄H₂Br₂S

[ Molecular Weight ]:
241.93

[ Flash Point ]:
90.4±21.8 °C

[ Exact Mass ]:
239.824387

[ PSA ]:
28.24000

[ LogP ]:
3.21

[ Vapour Pressure ]:
0.2±0.4 mmHg at 25°C

[ Index of Refraction ]:
1.638

MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
Xn:Harmful

[ Risk Phrases ]:
R20/21/22;R36/37/38

[ Safety Phrases ]:
S26-S36-S36/37/39

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
29349990

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Tetrabromothiophene
Thiophene(SIV)
Bromothiophene
2,3,4-Tribromothiophene
2,4-dibromo-3,5-dimethylthiophene
2,5-Dibromothiophene
acetic acid
Formic Acid
3,4-dibromo-thiophene-2-carboxylic acid-(3,4-dibromo-[2]thienylmethyl ester)
3,4-Dibromo-2,5-thiophenedicarbaldehyde

DownStream

3,4-di(thiophen-3-yl)thiophene
3,3'-Bithienyl
4-bromo-3,3'-bithiophene
3,4-Thiophenedicarboxaldehyde
4-Bromothiophene-3-carboxylic acid
3,4-Thiophenedicarboxylic Acid
1-(3,3-DIPHENYLPROPYL)PIPERIDINIUMCHLORIDE
3,4-Dimethoxythiophene
3-bromo-4-methoxythiophene
3,4-Dimethylthiophene

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles

An Alternative Synthysis of Thieno [3, 4-b] Thiophene. Brandsma L and Verkruijsse HD.

Synth. Commun. 20(15) , 2275-77, (1990)

Synthesis and structure of alkyl-substituted fused thiophenes containing up to seven rings.

J. Org. Chem. 72 , 442, (2007)

We have established a series of synthetic methods to synthesize alkyl-substituted fused thiophenes with degrees of fusion from two to seven rings. These fused thiophene ring compounds have very good s...

Double photoionization of thiophene and bromine-substituted thiophenes.

J. Chem. Phys. 129(23) , 234303, (2008)

We report the double photoionization spectra of thiophene, 3-bromothiophene, and 3,4-dibromothiophene using a coincidence spectroscopy technique based on electron time-of-flight measurements. Spectra ...