5-Chlorothiophene-2-sulfonyl chloride, 97%

Name: 5-Chlorothiophene-2-sulfonyl chloride, 97%
Brand: Vaqora Chemicals
SKU: VQ-012335

About 5-Chlorothiophene-2-sulfonyl chloride, 97%

Listed under CAS 2766-74-7, 5-Chlorothiophene-2-sulfonyl chloride is a sulfur heterocycle available from Vaqora Chemicals with a typical assay of 97%. Formula C4H2Cl2O2S2, molecular weight 217.1 g/mol. Alternative names: 5-chloro-2-thiophenesulfonyl chloride and 5-chlorothiophene-2-sulfonylchloride.

It is supplied as a colourless to yellow to orange liquid. Keep the material at 2–8 °C and protect it from moisture. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer 5-Chlorothiophene-2-sulfonyl chloride in 5 g, 25 g, 100 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	5-Chlorothiophene-2-sulfonyl chloride, 97%
Catalogue No.	VQ-012335
CAS Number	2766-74-7
IUPAC name	5-chlorothiophene-2-sulfonyl chloride
Molecular formula	C₄H₂Cl₂O₂S₂
Molecular weight	217.1 g/mol
Exact mass	215.8873
Purity / assay	97%
HSN code	29399900
InChIKey	SORSTNOXGOXWAO-UHFFFAOYSA-N
SMILES	C1=C(SC(=C1)Cl)S(=O)(=O)Cl
PubChem CID	2733925

Physical properties
Physical form	Liquid
Appearance	Colourless to yellow to orange liquid
LogP (XLogP3)	2.9
H-bond donors / acceptors	0 / 3
TPSA	70.8 Å²
Storage	2–8 °C
Synonyms	5-chloro-2-thiophenesulfonyl chloride, 5-chlorothiophene-2-sulfonylchloride, 5-Chlorothiophenesulphonyl chloride, 2-Thiophenesulfonyl chloride, 5-chloro-, 5-chloro-thiophene-2-sulfonyl chloride, chloro(5-chloro(2-thienyl))sulfone, timtec-bb sbb003378, 5-chloro-2-thienylsufonyl chloride, 5-chlorothiophene sulfonyl chloride, 2--Chlorosulphonyl-5-chlorothiophene, 5-chloro-2-thienylsulphonyl chloride, 5-chloro-thiophene-2-sulfonylchloride

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage
H318Causes serious eye damage

Precautionary statements: P260, P264, P264 + P265, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P363, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 5-Chlorothiophene-2-sulfonyl chloride, 97%?

The CAS Registry Number of 5-Chlorothiophene-2-sulfonyl chloride, 97% is 2766-74-7. It is also known as 5-chloro-2-thiophenesulfonyl chloride, 5-chlorothiophene-2-sulfonylchloride, 5-Chlorothiophenesulphonyl chloride.

What is the molecular formula and molecular weight of 5-Chlorothiophene-2-sulfonyl chloride, 97%?

5-Chlorothiophene-2-sulfonyl chloride, 97% has the molecular formula C4H2Cl2O2S2 and a molecular weight of 217.1 g/mol. Its IUPAC name is 5-chlorothiophene-2-sulfonyl chloride.

Which grade and pack sizes of 5-Chlorothiophene-2-sulfonyl chloride, 97% can I order?

We supply 5-Chlorothiophene-2-sulfonyl chloride, 97% in (97%) grade, in 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 5-Chlorothiophene-2-sulfonyl chloride, 97%?

Yes. Every lot of 5-Chlorothiophene-2-sulfonyl chloride, 97% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 5-Chlorothiophene-2-sulfonyl chloride, 97% be shipped internationally?

Yes. 5-Chlorothiophene-2-sulfonyl chloride, 97% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

How should 5-Chlorothiophene-2-sulfonyl chloride, 97% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.