2-Thiophenecarboxaldehyde, 98%

Name: 2-Thiophenecarboxaldehyde, 98%
Brand: Vaqora Chemicals
SKU: VQ-012310

About 2-Thiophenecarboxaldehyde, 98%

Listed under CAS 98-03-3, 2-Thiophenecarboxaldehyde is a sulfur heterocycle available from Vaqora Chemicals (Synthesis grade) with a typical assay of 98%. Its molecular formula is C5H4OS and its molecular weight is 112.15 g/mol. The IUPAC name is thiophene-2-carbaldehyde. It is also known as Thenaldehyde or 2-Thiophenealdehyde.

The product is provided as a liquid. Literature values give a boiling point of 198 °C and a density of 1.2 g/mL at 25 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span organic synthesis, pharmaceutical synthesis and fine chemical synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer 2-Thiophenecarboxaldehyde in 100 g, 500 g and 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
Pharmaceutical synthesis
Fine chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	2-Thiophenecarboxaldehyde, 98%
Catalogue No.	VQ-012310
CAS Number	98-03-3
IUPAC name	thiophene-2-carbaldehyde
Molecular formula	C₅H₄OS
Molecular weight	112.15 g/mol
Exact mass	111.9983
Grade	Synthesis
Purity / assay	98%
HSN code	29309090
InChIKey	CNUDBTRUORMMPA-UHFFFAOYSA-N
SMILES	C1=CSC(=C1)C=O
PubChem CID	7364

Physical properties
Physical form	Liquid
Appearance	Liquid
Boiling point	198 °C
Density	1.2 g/mL at 25 °C
LogP (XLogP3)	1
H-bond donors / acceptors	0 / 2
TPSA	45.3 Å²
Synonyms	Thenaldehyde, 2-Thiophenealdehyde, Thiophene-2-carboxaldehyde, 2-Thienylaldehyde, 2-Thienylcarboxaldehyde, 2-Thienaldehyde, 2-Thiophene carboxaldehyde, alpha-Formylthiophene, alpha-Thiophenecarboxaldehyde, 2-Thenaldehyde, Thiophene-2-aldehyde, 2-Thiophenecarbaldehyde

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P272, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P333 + 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 2-Thiophenecarboxaldehyde, 98%?

The CAS Registry Number of 2-Thiophenecarboxaldehyde, 98% is 98-03-3. It is also known as Thenaldehyde, 2-Thiophenealdehyde, Thiophene-2-carboxaldehyde.

What is the molecular formula and molecular weight of 2-Thiophenecarboxaldehyde, 98%?

2-Thiophenecarboxaldehyde, 98% has the molecular formula C5H4OS and a molecular weight of 112.15 g/mol. Its IUPAC name is thiophene-2-carbaldehyde.

Which grade and pack sizes of 2-Thiophenecarboxaldehyde, 98% can I order?

We supply 2-Thiophenecarboxaldehyde, 98% in Synthesis (98%) grade, in 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 2-Thiophenecarboxaldehyde, 98%?

Yes. Every lot of 2-Thiophenecarboxaldehyde, 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 2-Thiophenecarboxaldehyde, 98% be shipped internationally?

Yes. 2-Thiophenecarboxaldehyde, 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.