Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-Chloro-2-thiophenesulfonamide
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 5-Chloro-2-thiophenesulfonamide
Price: ￥278.0/5g ￥88.0/1g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-Chlorothiophene-2-sulfonamide
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

53595-66-7

53595-66-7 structure

53595-66-7 structure

Name: 5-Chloro-2-thiophenesulfonamide
Chemical Name: 5-Chlorothiophene-2-sulfonamide
CAS Number: 53595-66-7
Molecular Formula: C₄H₄ClNO₂S₂
Molecular Weight: 197.663
Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
Create Date: 2018-07-12 19:45:12
Modify Date: 2025-08-27 12:21:19

Name	5-Chlorothiophene-2-sulfonamide
Synonyms	MFCD00052584 2-Thiophenesulfonamide, 5-chloro- 2-Chloro-5-sulfamoylthiophene T5SJ BSZW EG 5-Chloro-2-thiophenesulfonamide 5-chlorothiophene-2-sulfonamide

Density	1.6±0.1 g/cm3
Boiling Point	366.3±52.0 °C at 760 mmHg
Melting Point	113-117 °C(lit.)
Molecular Formula	C₄H₄ClNO₂S₂
Molecular Weight	197.663
Flash Point	175.3±30.7 °C
Exact Mass	196.937195
PSA	96.78000
LogP	0.94
Vapour Pressure	0.0±0.8 mmHg at 25°C
Index of Refraction	1.621

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XN0296000

CHEMICAL NAME :: 2-Thiophenesulfonamide, 5-chloro-

CAS REGISTRY NUMBER :: 53595-66-7

BEILSTEIN REFERENCE NO. :: 0130728

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C4-H4-Cl-N-O2-S2

MOLECULAR WEIGHT :: 197.66

WISWESSER LINE NOTATION :: T5SJ BG ESWZ

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 :: 50 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:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36-S45-S37/39
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2935009090

2766-74-7 structure

2766-74-7

~92%

53595-66-7 structure

53595-66-7

Literature: WO2011/92226 A1, ; Page/Page column 33 ; WO 2011/092226 A1

16629-19-9 structure

16629-19-9

~%

53595-66-7 structure

53595-66-7

Literature: WO2003/99316 A1, ; Page 61 ; WO 03/099316 A1

Precursor 2
2766-74-7 16629-19-9
DownStream 1
849793-87-9

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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