2,5-Diacetyl thiophene

Name: 2,5-Diacetyl thiophene
Brand: Vaqora Chemicals
SKU: VQ-040981

About 2,5-Diacetyl thiophene

2,5-Diacetyl thiophene is a sulfur heterocycle carrying the CAS registry number 4927-10-0. With the molecular formula C8H8O2S, it has a molar mass of 168.21 g/mol. Its systematic (IUPAC) name is 1-(5-acetylthiophen-2-yl)ethanone. It is also known as 1,1'-(Thiophene-2,5-diyl)bis(ethan-1-one) or 1,1'-(Thiophene-2,5-diyl)bisethan-1-one.

Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Warning” with 2 hazard statements. Review the Safety Data Sheet before use.

Typical applications include organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	2,5-Diacetyl thiophene
Catalogue No.	VQ-040981
CAS Number	4927-10-0
IUPAC name	1-(5-acetylthiophen-2-yl)ethanone
Molecular formula	C₈H₈O₂S
Molecular weight	168.21 g/mol
Exact mass	168.0245
InChIKey	ATLWDAOOUUVIKP-UHFFFAOYSA-N
SMILES	CC(=O)C1=CC=C(S1)C(=O)C
PubChem CID	78638

Physical properties
Physical form	Other
LogP (XLogP3)	1.6
H-bond donors / acceptors	0 / 3
TPSA	62.4 Å²
Synonyms	1,1'-(Thiophene-2,5-diyl)bis(ethan-1-one), 1,1'-(Thiophene-2,5-diyl)bisethan-1-one, 1,1'-(thiophene-2,5-diyl)diethanone, 1-(5-acetylthiophen-2-yl)ethan-1-one, 1,1'-(Thiophene-2,5-diyl)di(ethan-1-one)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P270, P280, P301 + P317, P305 + P351 + P338, P330, P337 + P317, 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-Diacetyl thiophene?

The CAS Registry Number of 2,5-Diacetyl thiophene is 4927-10-0. It is also known as 1,1'-(Thiophene-2,5-diyl)bis(ethan-1-one), 1,1'-(Thiophene-2,5-diyl)bisethan-1-one, 1,1'-(thiophene-2,5-diyl)diethanone.

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

2,5-Diacetyl thiophene has the molecular formula C8H8O2S and a molecular weight of 168.21 g/mol. Its IUPAC name is 1-(5-acetylthiophen-2-yl)ethanone.

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

We supply 2,5-Diacetyl thiophene, 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-Diacetyl thiophene?

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

Yes. 2,5-Diacetyl thiophene 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.