Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2,5-Dichloro-3-thiophenesulfonamide
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2,5-Dichloro-3-thiophenesulfonamide
Price: ￥808.0/1g ￥3628.0/5g
Purity: 97.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,5-Dichlorothiophene-3-sulfonamide
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 2,5-Dichloro-3-thiophenesulfonamide
Price: ￥Inquiry/10g ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/25g
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

53595-68-9

53595-68-9 structure

53595-68-9 structure

Name: 2,5-Dichloro-3-thiophenesulfonamide
Chemical Name: 2,5-Dichlorothiophene-3-sulfonamide
CAS Number: 53595-68-9
Molecular Formula: C₄H₃Cl₂NO₂S₂
Molecular Weight: 232.108
Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
Create Date: 2018-03-14 08:00:00
Modify Date: 2025-08-26 17:31:06

Name	2,5-Dichlorothiophene-3-sulfonamide
Synonyms	2,4-DIFLUORO-3-METHYLBENZYL ALCOHOL 3-Thiophenesulfonamide,2,5-dichloro 2,5-Dichloro-3-thiophenesulfonamide 2,5-Dichlor-thiophen-3-sulfonamid 2,5-Dichlor-thiophen-sulfonsaeure-3-amid 3-Thiophenesulfonamide, 2,5-dichloro- MFCD00767573 2,5-Dichlorothiophene-3-sulfonamide

Density	1.8±0.1 g/cm3
Boiling Point	386.6±52.0 °C at 760 mmHg
Melting Point	131-135 °C(lit.)
Molecular Formula	C₄H₃Cl₂NO₂S₂
Molecular Weight	232.108
Flash Point	187.6±30.7 °C
Exact Mass	230.898224
PSA	96.78000
LogP	1.43
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.632

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XN0297000

CHEMICAL NAME :: 3-Thiophenesulfonamide, 2,5-dichloro-

CAS REGISTRY NUMBER :: 53595-68-9

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C4-H3-Cl2-N-O2-S2

MOLECULAR WEIGHT :: 232.10

WISWESSER LINE NOTATION :: T5SJ BG CSWZ EG

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 :: 175 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

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xn: Harmful;
Risk Phrases	R20/21/22;R36/37/38
Safety Phrases	S22-S26-S36/37/39
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	XN0297000
HS Code	2935009090

56946-83-9 structure

56946-83-9

~%

53595-68-9 structure

53595-68-9

Literature: Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences, , vol. 66, # 7 p. 715 - 720

Precursor 1
56946-83-9
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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