2-Thiophenesulfonic acid

Modify Date: 2025-08-21 16:12:34

2-Thiophenesulfonic acid Structure
2-Thiophenesulfonic acid structure
Common Name 2-Thiophenesulfonic acid
CAS Number 79-84-5 Molecular Weight 164.20300
Density 1.614 g/cm3 Boiling Point N/A
Molecular Formula C4H4O3S2 Melting Point 71-72ºC
MSDS N/A Flash Point N/A

 Names

Name thiophene-2-sulfonic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.614 g/cm3
Melting Point 71-72ºC
Molecular Formula C4H4O3S2
Molecular Weight 164.20300
Exact Mass 163.96000
PSA 90.99000
LogP 2.07560
Index of Refraction 1.609

 Safety Information

HS Code 2934999090

 Synthetic Route

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2-Thiophenesulfonic acid Structure

2-Thiophenesulf...

CAS#:79-84-5

Literature: Steinkopf; Ohse Justus Liebigs Annalen der Chemie, 1924 , vol. 437, p. 19

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2-Thiophenesulfonic acid Structure

2-Thiophenesulf...

CAS#:79-84-5

Literature: Arcoria, Antonio; Ballistreri, Francesco P.; Musumarra, Giuseppe; Tomaselli, Gaetano A. Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1981 , p. 221 - 227

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2-Thiophenesulfonic acid Structure

2-Thiophenesulf...

CAS#:79-84-5

Literature: Arcoria, Antonino; Ballistreri, Francesco P.; Spina, Emanuela; Tomaselli, Gaetano A.; Maccarone, Emanuele Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1988 , p. 1793 - 1798

~%

2-Thiophenesulfonic acid Structure

2-Thiophenesulf...

CAS#:79-84-5

Literature: Arcoria, Antonio; Ballistreri, Francesco P.; Musumarra, Giuseppe; Tomaselli, Gaetano A. Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1981 , p. 221 - 227

~%

2-Thiophenesulfonic acid Structure

2-Thiophenesulf...

CAS#:79-84-5

Literature: Toehl Chemische Berichte, 1894 , vol. 27, p. 666

~%

2-Thiophenesulfonic acid Structure

2-Thiophenesulf...

CAS#:79-84-5

Literature: Schleicher Chemische Berichte, 1886 , vol. 19, p. 671

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2-Thiophenesulfonic acid Structure

2-Thiophenesulf...

CAS#:79-84-5

Literature: Krekeler Chemische Berichte, 1886 , vol. 19, p. 677

~%

2-Thiophenesulfonic acid Structure

2-Thiophenesulf...

CAS#:79-84-5

Literature: Krekeler Chemische Berichte, 1886 , vol. 19, p. 677

 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

Thiophen-2-sulfonsaeure
Thiophenesulfonic acid
2-thiophenesulfonate
2-THIOPHENESULFONIC ACID
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