| [Fire Fighting] Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire. | |
| [Ingestion] If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately. | |
| [Inhalation] Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. | |
| [Skin] Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes. | |
| [Eyes] Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. | |
| [Storage] Store in a cool, dry place. Keep container closed when not in use. | |
| [Handling] Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. | |
| [EC Risk Phrase] R 36/37/38 | |
| [EC Safety Phrase] S 26 36 | |
| [Personal Protection] Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin. | |
| [Respirators] A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use. | |
| [Exposure Effects] The toxicological properties of this material have not been investigated. | |
| [Appearance] White to off-white. | |
| [Solubility in water] Very soluble | |
| [Melting Point] 137 | |
| [pKa/pKb] 4.10 (pKa) | |
| [Product Name] 3-Thenoic acid | |
| [Synonyms] 3-Carboxythiophene 3-Thienylcarboxylic acid 3-Thiophenecarboxylic acid b-Thiophenic acid Thiophene-3-carboxylic acid | |
| [CAS] "CASEN_88-13-1.htm">88-13-1 | |
| [Formula] C5H4O2S | |
| [Molecular Weight] 128.15 | |
| [EINECS] 201-802-5 | |
| [RTECS] XM8330300 | |
| [RTECS Class] Drug | |
| [Merck] 12,9415 | |
| [Beilstein/Gmelin] 1994 | |
| [Beilstein Reference] 5-18-06-00199 | |
| [Small spills/leaks] Clean up spills immediately, using the appropriate protective equipment. | |
| [Stability] Stable under normal temperatures and pressures. | |
| [Incompatibilities] Strong oxidizing agents. | |
| [Decomposition] Irritating and toxic fumes and gases. | |
| [HS Code] 2934 99 90 |
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