3,5-Dibromothiophene-2-carboxylic acid

Modify Date: 2025-08-27 12:33:35

3,5-Dibromothiophene-2-carboxylic acid Structure
3,5-Dibromothiophene-2-carboxylic acid structure
 Common Name 3,5-Dibromothiophene-2-carboxylic acid
CAS Number 7311-68-4 Molecular Weight 285.94100
Density 2.309 g/cm3 Boiling Point 350.015ºC at 760 mmHg
Molecular Formula C5H2Br2O2S Melting Point 215-220 °C
MSDS Chinese USA Flash Point 165.484ºC
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name 3,5-Dibromothiophene-2-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.309 g/cm3
Boiling Point 350.015ºC at 760 mmHg
Melting Point 215-220 °C
Molecular Formula C5H2Br2O2S
Molecular Weight 285.94100
Flash Point 165.484ºC
Exact Mass 283.81400
PSA 65.54000
LogP 2.97130
InChIKey YWOSIPRAZKDEIL-UHFFFAOYSA-N
SMILES O=C(O)c1sc(Br)cc1Br

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302
Hazard Codes Xn
RIDADR NONH for all modes of transport
HS Code 2934999090

 Synthetic Route

2,3,5-Tribromothiophene structure

2,3,5-Tribromot...

CAS#:3141-24-0

Carbon dioxide structure

Carbon dioxide

CAS#:124-38-9

~67%

3,5-Dibromothiophene-2-carboxylic acid Structure

3,5-Dibromothio...

CAS#:7311-68-4

Literature: Pereira, Raquel; Furst, Audrey; Iglesias, Beatriz; Germain, Pierre; Gronemeyer, Hinrich; De Lera, Angel R. Organic and Biomolecular Chemistry, 2006 , vol. 4, # 24 p. 4514 - 4525
2,5-Dibromothiophene structure

2,5-Dibromothiophene

CAS#:3141-27-3

Carbon dioxide structure

Carbon dioxide

CAS#:124-38-9

~89%

3,5-Dibromothiophene-2-carboxylic acid Structure

3,5-Dibromothio...

CAS#:7311-68-4

Literature: Hawkins, David W.; Iddon, Brian; Longthorne, Darren S.; Rosyk, Peter J. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1994 , # 19 p. 2735 - 2744
2,4-Dibromothiophene structure

2,4-Dibromothiophene

CAS#:3140-92-9

~%

3,5-Dibromothiophene-2-carboxylic acid Structure

3,5-Dibromothio...

CAS#:7311-68-4

Literature: Arkiv foer Kemi, , vol. 11, p. 317,322
2,3,5-Tribromothiophene structure

2,3,5-Tribromot...

CAS#:3141-24-0

~%

3,5-Dibromothiophene-2-carboxylic acid Structure

3,5-Dibromothio...

CAS#:7311-68-4

Literature: Acta Chemica Scandinavica (1947-1973), , vol. 10, p. 1020,1021 Arkiv foer Kemi, , vol. 11, p. 317,321
3-Bromo-2-thiophenecarboxylic acid structure

3-Bromo-2-thiop...

CAS#:7311-64-0

~%

3,5-Dibromothiophene-2-carboxylic acid Structure

3,5-Dibromothio...

CAS#:7311-68-4

Literature: Arkiv foer Kemi, , vol. 11, p. 317,322
2,3,5-Tribromothiophene structure

2,3,5-Tribromot...

CAS#:3141-24-0

~%

3,5-Dibromothiophene-2-carboxylic acid Structure

3,5-Dibromothio...

CAS#:7311-68-4

4,5-Dibromothiophene-2-carboxylic acid structure

4,5-Dibromothio...

CAS#:6324-10-3

Literature: Justus Liebigs Annalen der Chemie, , vol. 512, p. 136,156
2,4-Dibromothiophene structure

2,4-Dibromothiophene

CAS#:3140-92-9

n-Butyllithium structure

n-Butyllithium

CAS#:109-72-8

Diethyl ether structure

Diethyl ether

CAS#:60-29-7

N/A structure

N/A

CAS#:15719-64-9

~%

Detail
Literature: Arkiv foer Kemi, , vol. 11, p. 317,322
3-Bromo-2-thiophenecarboxylic acid structure

3-Bromo-2-thiop...

CAS#:7311-64-0

Bromine structure

Bromine

CAS#:7726-95-6

acetic acid structure

acetic acid

CAS#:64-19-7

~%

3,5-Dibromothiophene-2-carboxylic acid Structure

3,5-Dibromothio...

CAS#:7311-68-4

Literature: Arkiv foer Kemi, , vol. 11, p. 317,322

 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%

 Synonyms

3,5-Dibrom-thiophen-2-carbonsaeure
3,5-dibromo-thiophene-2-carboxylic acid
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