3-hydroxythiophene-2-carboxylic acid

Modify Date: 2025-08-22 12:02:06

3-hydroxythiophene-2-carboxylic acid Structure
3-hydroxythiophene-2-carboxylic acid structure
Common Name 3-hydroxythiophene-2-carboxylic acid
CAS Number 5118-07-0 Molecular Weight 144.14800
Density 1.604g/cm3 Boiling Point 326.374ºC at 760 mmHg
Molecular Formula C5H4O3S Melting Point N/A
MSDS USA Flash Point 151.186ºC

 Names

Name 3-hydroxythiophene-2-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.604g/cm3
Boiling Point 326.374ºC at 760 mmHg
Molecular Formula C5H4O3S
Molecular Weight 144.14800
Flash Point 151.186ºC
Exact Mass 143.98800
PSA 85.77000
LogP 1.15190
Index of Refraction 1.667

 Safety Information

Hazard Codes Xi
HS Code 2934999090

 Synthetic Route

~98%

3-hydroxythiophene-2-carboxylic acid Structure

3-hydroxythioph...

CAS#:5118-07-0

Literature: AstraZeneca Patent: WO2007/1225 A1, 2007 ; Location in patent: Page/Page column 16 ; WO 2007/001225 A1

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3-hydroxythiophene-2-carboxylic acid Structure

3-hydroxythioph...

CAS#:5118-07-0

Literature: AVENTIS PHARMA DEUTSCHLAND GMBH Patent: WO2004/7517 A1, 2004 ; Location in patent: Page/Page column 66 ;

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3-hydroxythiophene-2-carboxylic acid Structure

3-hydroxythioph...

CAS#:5118-07-0

Literature: Fiesselmann; Pfeiffer Chemische Berichte, 1954 , vol. 87, p. 848,855

 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-Hydroxy-thiophen-2-carbonsaeure
2-Thiophenecarboxylicacid,3-hydroxy
3-hydroxy-thiophene-2-carboxylic acid
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