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
InChIKey RVDUJCGAAPQDBO-UHFFFAOYSA-N
SMILES O=C(O)c1sccc1O

 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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