Description

Benzothiophene (CAS No. 95-15-8) is a heterocyclic organic compound with the molecular formula C₈H₆S. This aromatic sulfur-containing compound, also known as 1-benzothiophene or benzo[b]thiophene, features a fused benzene and thiophene ring structure, making it a valuable building block in organic synthesis and materials science. With a purity of ≥98%, our high-quality benzothiophene is rigorously tested for consistency and performance, ensuring reliable results for research and industrial applications. It is supplied as a crystalline solid with a characteristic odor, soluble in organic solvents such as ethanol, ether, and benzene. Ideal for pharmaceutical intermediates, organic electronics, and ligand synthesis, this compound is packaged under inert conditions to maintain stability and shelf life. Store in a cool, dry place away from light and oxidizing agents.

Properties

• CAS Number: 95-15-8
• Complexity: 101
• IUPAC Name: benzothiophene
• InChI: InChI=1S/C8H6S/c1-2-4-8-7(3-1)5-6-9-8/h1-6H
• InChI Key: FCEHBMOGCRZNNI-UHFFFAOYSA-N
• Exact Mass: 134.01902136
• Molecular Formula: C8H6S
• Molecular Weight: 134.20
• SMILES: C1=CC=C2C(=C1)C=CS2
• Topological: 28.2
• Monoisotopic Mass: 134.01902136
• Physical Description: Solid with an odor like naphthalene; mp = 32 deg C; White crystals with an unpleasant odor; mp =28-32 deg C;
• Vapor Pressure: 0.99 [mmHg]
• Synonyms: Benzo[b]thiophene, Thianaphthene, 1-Benzothiophene, BENZOTHIOPHENE, Thianaphtene, BENZO(B)THIOPHENE, UNII-073790YQ2G, CHEBI:35858, EINECS 202-395-7, NSC-47196, THIANAPHTHENE [MI], AI3-15523, DTXSID2052736, 1Benzothiophene, 1Thiaindene, 2,3Benzothiophene, DTXCID9031276, CHEBI:35857, fcehbmogcrznni-uhfffaoysa-n, inchi=1/c8h6s/c1-2-4-8-7(3-1)5-6-9-8/h1-6, 95-15-8, Benzothiofuran, Thionaphthene, 1-Thiaindene, Thianaphthen, Benzothiophen, 1-benzothiophen, Benzothiophene-5-D, 2,3-Benzothiophene, 11095-43-5, MFCD00005864, NSC 47196, CHEMBL87112, 13730-27-3, 073790YQ2G, Thianaftene, C8H6S, Thianapthene, hydrobenzothiophene, benzo[b]-thiophene, MFCD31699976, Thianaphthene, 95%, Thianaphthene, 98%, SCHEMBL2173, SCHEMBL7023, SCHEMBL12005, SCHEMBL15714, SCHEMBL21996, SCHEMBL22129, SCHEMBL23182, BIDD:GT0845, SCHEMBL333939, SCHEMBL448807, SCHEMBL449068, SCHEMBL449347, SCHEMBL449535, SCHEMBL450036, SCHEMBL450255, SCHEMBL450565, SCHEMBL451367, SCHEMBL451494, SCHEMBL451662, SCHEMBL451786, SCHEMBL451955, SCHEMBL452029, SCHEMBL452120, SCHEMBL452450, SCHEMBL452721, SCHEMBL452819, SCHEMBL453036, SCHEMBL453615, SCHEMBL453892, SCHEMBL455460, SCHEMBL7478746, SCHEMBL11215120, CS-D1193, NSC47196, BDBM50167948, GEO-00284, SBB055961, STK053859, AKOS005258172, FT31672, PS-5775, SY246286, B0093, NS00020042, Benzo[b]thiophene;Benzothiophene;Thionaphthene, EN300-36787, A845195, Q419709, F0001-2267, Z370711590

Application

Benzothiophene serves as a key precursor in the synthesis of pharmaceuticals, including serotonin receptor modulators and enzyme inhibitors. It is widely used in materials science for developing organic semiconductors and conductive polymers due to its electron-rich aromatic system. Researchers also employ benzothiophene derivatives as ligands in catalytic reactions and as fluorescent probes in analytical chemistry.

Safety and Hazards

GHS Hazard Statements

• H302 (98.1%): Harmful if swallowed [Warning Acute toxicity, oral]
• H411 (88.5%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P264, P270, P273, P301+P317, P330, P391, and P501

Hazard Classes and Categories

• Acute Tox. 4 (98.1%)
• Aquatic Chronic 2 (88.5%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.