4,5-Dihydro-3(2H)-thiophenone, 98%

Name: 4,5-Dihydro-3(2H)-thiophenone, 98%
Brand: Vaqora Chemicals
SKU: VQ-012324

About 4,5-Dihydro-3(2H)-thiophenone, 98%

Listed under CAS 1003-04-9, 4,5-Dihydro-3(2H)-thiophenone is a sulfur heterocycle available from Vaqora Chemicals, specified at 98% purity. Its molecular formula is C4H6OS and its molecular weight is 102.16 g/mol. The IUPAC name is thiolan-3-one. Common synonyms include 3-Thiophanone and Tetrahydrothiophen-3-one.

It is supplied as a colourless to yellow liquid. Literature values give a boiling point of 175 °C and a density of 1.194 g/mL at 25 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 5 g, 25 g, 100 g and 500 g packs, 4,5-Dihydro-3(2H)-thiophenone is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	4,5-Dihydro-3(2H)-thiophenone, 98%
Catalogue No.	VQ-012324
CAS Number	1003-04-9
IUPAC name	thiolan-3-one
Molecular formula	C₄H₆OS
Molecular weight	102.16 g/mol
Exact mass	102.0139
Purity / assay	98%
HSN code	29349900
InChIKey	DSXFPRKPFJRPIB-UHFFFAOYSA-N
SMILES	C1CSCC1=O
PubChem CID	61252

Physical properties
Physical form	Liquid
Appearance	Colourless to yellow liquid
Boiling point	175 °C
Density	1.194 g/mL at 25 °C
LogP (XLogP3)	0.4
H-bond donors / acceptors	0 / 2
TPSA	42.4 Å²
Synonyms	3-Thiophanone, Tetrahydrothiophen-3-one, Dihydrothiophen-3(2H)-one, Dihydro-3(2H)-thiophenone, 3-Tetrahydrothiophenone, 4,5-Dihydro-3(2H)thiophenone, 3-thiolanone, tetrahydrothien-3-one, tetrahydro-thiophen-3-one, 3-Oxo-2,3,4, 5-tetrahydrothiophene, Dihydro-3-(2H)-thiophenone (tetrahydrothiophen-3-one), 3-Thiacyclopentanone

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 4,5-Dihydro-3(2H)-thiophenone, 98%?

The CAS Registry Number of 4,5-Dihydro-3(2H)-thiophenone, 98% is 1003-04-9. It is also known as 3-Thiophanone, Tetrahydrothiophen-3-one, Dihydrothiophen-3(2H)-one.

What is the molecular formula and molecular weight of 4,5-Dihydro-3(2H)-thiophenone, 98%?

4,5-Dihydro-3(2H)-thiophenone, 98% has the molecular formula C4H6OS and a molecular weight of 102.16 g/mol. Its IUPAC name is thiolan-3-one.

Which grade and pack sizes of 4,5-Dihydro-3(2H)-thiophenone, 98% can I order?

We supply 4,5-Dihydro-3(2H)-thiophenone, 98% in (98%) grade, in 5 g, 25 g, 100 g, 500 g, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4,5-Dihydro-3(2H)-thiophenone, 98%?

Yes. Every lot of 4,5-Dihydro-3(2H)-thiophenone, 98% 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 4,5-Dihydro-3(2H)-thiophenone, 98% be shipped internationally?

Yes. 4,5-Dihydro-3(2H)-thiophenone, 98% 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.