Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2-Thiophenesulfonic acid
Price: ￥866.0/100mg ￥3476.0/1g ￥1386.0/250mg
Purity: 95.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-AMINO-BENZENESULFONIC ACID
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

79-84-5

79-84-5 structure

Name: 2-Thiophenesulfonic acid
Chemical Name: thiophene-2-sulfonic acid
CAS Number: 79-84-5
Molecular Formula: C₄H₄O₃S₂
Molecular Weight: 164.20300
Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
Create Date: 2018-06-15 09:51:54
Modify Date: 2025-08-21 16:12:34

Name	thiophene-2-sulfonic acid
Synonyms	Thiophen-2-sulfonsaeure Thiophenesulfonic acid 2-thiophenesulfonate 2-THIOPHENESULFONIC ACID

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

HS Code	2934999090

188290-36-0

79-84-5

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

16629-19-9

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

52259-99-1

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

382-99-0

79-84-5

188290-36-0

7664-93-9

79-84-5

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

30711-40-1

7664-93-9

111-14-8

79-84-5

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

13679-75-9

7664-93-9

79-84-5

802294-64-0

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

36448-60-9

7664-93-9

79-84-5

79-31-2

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

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

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