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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 7221Generated: October 23, 2026

Benzo(B)Thiophene

https://huagongshe.com/en/chemical/7221

Benzo(B)Thiophene molecular structure

Identifiers & Physical Properties

CAS No.11095-43-5
Molecular formulaC8H6S
Average molar mass134.2 g/mol
Monoisotopic mass134.01902119 g/mol
SMILESc1ccc2sccc2c1
InChIKeyFCEHBMOGCRZNNI-UHFFFAOYSA-N
PubChem CID7221
ChEMBLCHEMBL87112
ChEBICHEBI:35858
EC No.202-395-7
DTXSIDDTXSID2052736

Chemical & Physical Properties

XLogP3.1
Topological polar surface area28.2
Hydrogen bond donors0
Hydrogen bond acceptors1
Rotatable bonds0
Heavy atoms9
Formal charge0
Complexity101
Chemical classesOther Classes -> Thiophenes
SpringerMaterials PropertiesSchoenflies notation
Vapor pressure0.99 [mmHg]
Physical DescriptionSolid with an odor like naphthalenemp = 32 deg C[Merck Index] White crystals with an unpleasant odormp =28-32 deg C[Alfa Aesar MSDS]

Safety & Regulations

GHS classificationWarningH302 (98.1%): Harmful if swallowed [Warning Acute toxicity, oral]P264, P270, P273, P301+P317, P330, P391, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 52 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatory information1-Benzothiophene: Does not have an individual approval but may be used under an appropriate group standard
Hazards summaryA mild skin irritantHarmful by ingestion[Alfa Aesar MSDS] See Thiophene and Dibenzothiophene.
Hazard Classes and CategoriesAcute Tox. 4 (98.1%)