Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Thiophene-2-sulfonamide
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

6339-87-3

6339-87-3 structure

Name: 2-Thiophenesulfonamide
Chemical Name: 2-Thiophenesulfonamide
CAS Number: 6339-87-3
Molecular Formula: C₄H₅NO₂S₂
Molecular Weight: 163.218
Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
Create Date: 2018-04-03 08:00:00
Modify Date: 2025-08-21 01:25:49

Name	2-Thiophenesulfonamide
Synonyms	Thiophene-2-sulfonic acid amide 2-Thiophenesulfonamide Thiophene-2-sulfonamide MFCD00185853

Density	1.5±0.1 g/cm3
Boiling Point	338.1±34.0 °C at 760 mmHg
Melting Point	146-148ºC
Molecular Formula	C₄H₅NO₂S₂
Molecular Weight	163.218
Flash Point	158.3±25.7 °C
Exact Mass	162.976166
PSA	96.78000
LogP	-0.08
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.609

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XN0294000

CHEMICAL NAME :: 2-Thiophenesulfonamide

CAS REGISTRY NUMBER :: 6339-87-3

BEILSTEIN REFERENCE NO. :: 0123537

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C4-H5-N-O2-S2

MOLECULAR WEIGHT :: 163.22

WISWESSER LINE NOTATION :: T5SJ BSWZ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 300 mg/kg

TOXIC EFFECTS :: Behavioral - muscle weakness Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression

REFERENCE :: APFRAD Annales Pharmaceutiques Francaises. (SPPIF, B.P.22, F-41353 Vineuil, France) V.1- 1943- Volume(issue)/page/year: 19,449,1961

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi
Risk Phrases	36/37/38
Safety Phrases	26
RIDADR	NONH for all modes of transport
RTECS	XN0294000
HS Code	2935009090

16629-19-9

~76%

6339-87-3

Literature: ISIS INNOVATION LIMITED; RUSSELL, Angela, Jane; SIM, Edith; DAVIES, Steven, Graham; WESTWOOD, Isaac, Mark; KAWAMURA, Akane; CRAWFORD, Matthew, Howard, James; LAURIERI, Nicola Patent: WO2011/55142 A2, 2011 ; Location in patent: Page/Page column 47 ; WO 2011/055142 A2

100342-30-1

~98%

6339-87-3

Literature: Wan, Yiqian; Wu, Xiongyu; Kannan, Mahalingam A.; Alterman, Mathias Tetrahedron Letters, 2003 , vol. 44, # 24 p. 4523 - 4525

75241-05-3

~87%

6339-87-3

Literature: Obafemi, Craig. A.; Onigbinde, Adebayo O. Phosphorus, Sulfur and Silicon and the Related Elements, 1991 , vol. 57, # 1/2 p. 75 - 81

16629-19-9

7051-34-5

6339-87-3

Literature: US2004/48802 A1, ; US 20040048802 A1

75241-05-3

110-83-8

~81%

6339-87-3

Literature: Obafemi, Craig A. Phosphorus and Sulfur and the Related Elements, 1980 , vol. 8, p. 197 - 200

64902-33-6

6339-87-3

Literature: Journal of Organic Chemistry, , vol. 58, # 25 p. 7022 - 7028

188290-36-0

6339-87-3

Literature: Synthesis, , vol. No. 12, p. 1031 - 1032

38695-60-2

6339-87-3

Literature: Tetrahedron Letters, , vol. 35, # 39 p. 7201 - 7204

Precursor 8
16629-19-9 100342-30-1 75241-05-3 7051-34-5
110-83-8 64902-33-6 188290-36-0 38695-60-2
DownStream 0

HS Code	2935009090
Summary	2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%

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