- Thionaphthene-2-carboxylic acid
- Benzothiophene-2-carboxylic acid
- Benzothiofuran-2-carboxylic acid
- Benzo[b]thiophene-2-carboxylic acid
- BL 5583
White solid. With a stench.
Registry Numbers and Inventories.
S 26 36
Melting point, °C
242 - 243
Hazards and Protection.
Store in a cool, dry place. Store in a tightly closed container.
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood.
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Vacuum or sweep up material and place into a suitable disposal container.
Stable under normal temperatures and pressures.
Strong oxidizing agents.
Carbon monoxide, oxides of sulfur, carbon dioxide.
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
May cause irritation of the digestive tract.
Causes respiratory tract irritation. May cause headache. May cause nausea and possible vomiting.
Causes skin irritation.
Causes eye irritation.
Get medical aid. Wash mouth out with water.
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.