Benzo[b]thiophene-2-carboxaldehyde, 97%

About Benzo[b]thiophene-2-carboxaldehyde, 97%

Benzo[b]thiophene-2-carboxaldehyde is a sulfur heterocycle carrying the CAS registry number 3541-37-5 with a typical assay of 97%. Its molecular formula is C9H6OS and its molecular weight is 162.21 g/mol. The IUPAC name is 1-benzothiophene-2-carbaldehyde. Common synonyms include Thianaphthene-2-carboxaldehyde and benzo[b]thiophene-2-carbaldehyde.

It is supplied as a solid. Reported physical data include a melting point of 32-36 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span dyes and pigments manufacture and organic synthesis. It is used across pharmaceutical manufacturing, academic and industrial research and textiles and dyeing.

Standard pack sizes are 5 g, 25 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Dyes & pigments manufacture
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Benzo[b]thiophene-2-carboxaldehyde, 97%
Catalogue No.	VQ-012342
CAS Number	3541-37-5
IUPAC name	1-benzothiophene-2-carbaldehyde
Molecular formula	C₉H₆OS
Molecular weight	162.21 g/mol
Exact mass	162.0139
Purity / assay	97%
HSN code	29241900
InChIKey	NXSVNPSWARVMAY-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C=C(S2)C=O
PubChem CID	736500

Physical properties
Physical form	Solid
Appearance	Solid
Melting point	32-36 °C
LogP (XLogP3)	2.7
H-bond donors / acceptors	0 / 2
TPSA	45.3 Å²
Synonyms	Thianaphthene-2-carboxaldehyde, benzo[b]thiophene-2-carbaldehyde, 2-Formylbenzo[b]thiophene, 2-benzothiophenecarbaldehyde, 2-formyl-benzo[b]thiophene, 2-benzothiophenecarboxaldehyde, benzo[b]thiophene-2-aldehyde, Benzothiophen-2-carboxaldehyde, benzo[b]thiophen-2-carbaldehyde, 2-Benzo[b]thiophenecarboxaldehyde, Benzo[b]thiophene-2-carboxaldehyde, 97%

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements: P264 + P265, P280, P305 + P351 + P338, P337 + P317

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 Benzo[b]thiophene-2-carboxaldehyde, 97%?

The CAS Registry Number of Benzo[b]thiophene-2-carboxaldehyde, 97% is 3541-37-5. It is also known as Thianaphthene-2-carboxaldehyde, benzo[b]thiophene-2-carbaldehyde, 2-Formylbenzo[b]thiophene.

What is the molecular formula and molecular weight of Benzo[b]thiophene-2-carboxaldehyde, 97%?

Benzo[b]thiophene-2-carboxaldehyde, 97% has the molecular formula C9H6OS and a molecular weight of 162.21 g/mol. Its IUPAC name is 1-benzothiophene-2-carbaldehyde.

Which grade and pack sizes of Benzo[b]thiophene-2-carboxaldehyde, 97% can I order?

We supply Benzo[b]thiophene-2-carboxaldehyde, 97% in (97%) grade, in 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Benzo[b]thiophene-2-carboxaldehyde, 97%?

Yes. Every lot of Benzo[b]thiophene-2-carboxaldehyde, 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 Benzo[b]thiophene-2-carboxaldehyde, 97% be shipped internationally?

Yes. Benzo[b]thiophene-2-carboxaldehyde, 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.