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ChemicalBook >> CAS DataBase List >>1,3-Dihydrobenzo[c]thiophene 2,2-dioxide

1,3-Dihydrobenzo[c]thiophene 2,2-dioxide

1,3-Dihydrobenzo[c]thiophene 2,2-dioxide Structure
1,3-Dihydrobenzo[c]thiophene 2,2-dioxide structure
CAS No.
2471-91-2
Chemical Name:
1,3-Dihydrobenzo[c]thiophene 2,2-dioxide
Synonyms
1,3-Dihydrobenzo[c]thiophene 2,2-dioxide;1,3-Dihydro-2λ6-benzothiophene-2,2-dione;1,3-dihydro-2-benzothiophene 2,2-dioxide;Benzo[c]thiophene, 1,3-dihydro-, 2,2-dioxide
CBNumber:
CB02156167
Molecular Formula:
C8H8O2S
Molecular Weight:
168.21
MDL Number:
MFCD00209307
MOL File:
2471-91-2.mol
MSDS File:
SDS
Last updated:2026-01-13 11:13:13
Product description Number Pack Size Price
1,3-DIHYDRO-2-BENZOTHIOPHENE 2,2-DIOXIDE AldrichCPR T163449 1 unit $32.7
1,3-DIHYDRO-2-BENZOTHIOPHENE 2,2-DIOXIDE AldrichCPR T163449 5MG $29.8
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1,3-Dihydrobenzo[c]thiophene 2,2-dioxide Properties

Melting point 150-151 °C.
solubility sol EtOH, CHCl3, C6H6, boiling water; slightly sol Et2O.
CAS DataBase Reference 2471-91-2

1,3-Dihydrobenzo[c]thiophene 2,2-dioxide price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich T163449 1,3-DIHYDRO-2-BENZOTHIOPHENE 2,2-DIOXIDE AldrichCPR 2471-91-2 1 unit $32.7 2026-03-19 Buy
Sigma-Aldrich T163449 1,3-DIHYDRO-2-BENZOTHIOPHENE 2,2-DIOXIDE AldrichCPR 2471-91-2 5MG $29.8 2024-03-01 Buy
Product number Packaging Price Buy
T163449 1 unit $32.7 Buy
T163449 5MG $29.8 Buy

1,3-Dihydrobenzo[c]thiophene 2,2-dioxide Chemical Properties,Uses,Production

Uses

1,3-Dihydrobenzo[c]thiophene 2,2-dioxide is a source of o-quinodimethanes that are useful diene intermediates in Diels-Alder reactions; a source of benzocyclobutene.

Synthesis

1,3-Dihydrobenzo[c]thiophene 2,2-dioxide is prepared by oxidation of 1,3-dihydrobenzo[c]thiophene; from α,α′-Dibromo-o-xylene, rongalite (Sodium Hydroxymethanesulfinate, HOCH2SO2Na.2H2O), and Sulfur Dioxide.

storage

unstable to alkali and concentrated H2SO4.

1,3-Dihydrobenzo[c]thiophene 2,2-dioxide Preparation Products And Raw materials

Raw materials

Preparation Products

1,3-Dihydrobenzo[c]thiophene 2,2-dioxide Suppliers

Global( 4)Suppliers
Supplier Tel Email Country ProdList Advantage
Beijing Taiya Jie Technology Development Co., Ltd. 021-33690831-8001 13552411790 postmaster@tyjchem.cn China 1542 55
TCI (Shanghai) Chemical Trading Co., Ltd. 021-61109150 sales@tcisct.com China 29718 58
Merck KGaA 21-20338288 ordercn@merckgroup.com China 6038 58
Supplier Advantage
Beijing Taiya Jie Technology Development Co., Ltd. 55
TCI (Shanghai) Chemical Trading Co., Ltd. 58
Merck KGaA 58

1,3-Dihydrobenzo[c]thiophene 2,2-dioxide Spectrum

1,3-Dihydrobenzo[c]thiophene 2,2-dioxide(2471-91-2)MS1,3-Dihydrobenzo[c]thiophene 2,2-dioxide(2471-91-2)1HNMR1,3-Dihydrobenzo[c]thiophene 2,2-dioxide(2471-91-2)13CNMR
1,3-Dihydrobenzo[c]thiophene 2,2-dioxide Benzo[c]thiophene, 1,3-dihydro-, 2,2-dioxide 1,3-dihydro-2-benzothiophene 2,2-dioxide 1,3-Dihydro-2λ6-benzothiophene-2,2-dione 2471-91-2