Benzo[b]thiophene-3-sulfonyl chloride is used as a pharmaceutical intermediate.
Phillip S. Landis.; James A. Brennan.; Paul B. Venuto. Synthesis and spectral data on some benzo[b]thiophenesulfonic acid derivatives. J. Chem. Eng. Data. 1967, 12 (4), 610-611.
Ch. Lo.; A. Adeniera.; F. Maurel.; J.J. Aaron.; V. Kozmik.; J. Svoboda. Electrochemical, spectral and theoretical studies of two new methyl-thieno[3,2-b]benzothiophenes and their polymers electrosynthesized in organic and micellar media. Synthetic Metals. 2009, 158 (1-2), 6-24.
Hazard Statements: H314-H318
Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statements: P260u-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a
Do not breathe dusts or mists. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.