2,5-Dichlorothiophene

Name: 2,5-Dichlorothiophene
Brand: Vaqora Chemicals
SKU: VQ-050517

About 2,5-Dichlorothiophene

2,5-Dichlorothiophene (CAS 3172-52-9) is a sulfur heterocycle offered by Vaqora Chemicals. Formula C4H2Cl2S, molecular weight 153.03 g/mol. Alternative names: Thiophene, 2,5-dichloro- and 2,-Dichlorothiophene.

Store sealed in a dry, well-ventilated location away from incompatible materials. 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.

Available in 100 mg, 250 mg, 1 g and 5 g packs, 2,5-Dichlorothiophene is dispatched with a Certificate of Analysis (COA) to destinations worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time. Our team can advise on documentation, shipping classification and regulatory paperwork for your destination.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	2,5-Dichlorothiophene
Catalogue No.	VQ-050517
CAS Number	3172-52-9
IUPAC name	2,5-dichlorothiophene
Molecular formula	C₄H₂Cl₂S
Molecular weight	153.03 g/mol
Exact mass	151.9254
InChIKey	FGYBDASKYMSNCX-UHFFFAOYSA-N
SMILES	C1=C(SC(=C1)Cl)Cl
PubChem CID	18501

Physical properties
Physical form	Other
LogP (XLogP3)	3.5
H-bond donors / acceptors	0 / 1
TPSA	28.2 Å²

Safety & hazard information (GHS)

Flammable

Toxic

Health hazard

Signal word: Danger

Hazard statements

H226Flammable liquid and vapor
H300Fatal if swallowed
H341Suspected of causing genetic defects

Precautionary statements: P203, P210, P233, P240, P241, P242, P243, P264, P270, P280, P301 + P316, P303 + P361 + P353, P318, P321, P330, P370 + P378, P403 + P235, 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 2,5-Dichlorothiophene?

The CAS Registry Number of 2,5-Dichlorothiophene is 3172-52-9. It is also known as Thiophene, 2,5-dichloro-, 2,-Dichlorothiophene, Thiophene,5-dichloro-.

What is the molecular formula and molecular weight of 2,5-Dichlorothiophene?

2,5-Dichlorothiophene has the molecular formula C4H2Cl2S and a molecular weight of 153.03 g/mol. Its IUPAC name is 2,5-dichlorothiophene.

Which grade and pack sizes of 2,5-Dichlorothiophene can I order?

We supply 2,5-Dichlorothiophene, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2,5-Dichlorothiophene?

Yes. Every lot of 2,5-Dichlorothiophene 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 2,5-Dichlorothiophene be shipped internationally?

Yes. 2,5-Dichlorothiophene 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.