| [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. Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. | |
| [Inhalation] Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear. Get medical aid. | |
| [Skin] Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Wash clothing before reuse. | |
| [Eyes] Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. | |
| [Storage] Store in a cool, dry, well-ventilated area away from incompatible substances. Do not expose to air. Store protected from light. Store under an inert atmosphere. | |
| [Handling] Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Store protected from light. Handle under an inert atmosphere. Store protected from air. | |
| [Ingestion] May cause irritation of the digestive tract. | |
| [Inhalation] May cause respiratory tract irritation. | |
| [Skin] May cause skin irritation. | |
| [Eyes] Causes eye irritation. | |
| [EC Risk Phrase] R 36/37/38 | |
| [EC Safety Phrase] S 26 36 | |
| [Personal Protection] Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. | |
| [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. 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. | |
| [Appearance] Minute crystals from alc. Odorless, or has slight acetous odor. | |
| [Solubility in water] 2 g/L | |
| [Melting Point] 150 | |
| [Boiling Point] 347 | |
| [Density] 1.545 g/cm3 | |
| [pKa/pKb] 3.25 (pKa) | |
| [Partition Coefficient] .4 | |
| [Usage] Industrial preservative. | |
| [Product Name] PAS | |
| [Synonyms] 4-Amino-2-hydroxybenzoic acid 4-Aminosalicylic acid Aminopar Aminosalicylic acid Aminox para-Amino salicylic acid | |
| [CAS] "CASEN_65-49-6.htm">65-49-6 | |
| [Formula] C7H7NO3 | |
| [Molecular Weight] 153.13999999999999 | |
| [EINECS] 200-613-5 | |
| [RTECS] VO1225000 | |
| [RTECS Class] Drug; Mutagen; Primary Irritant | |
| [Merck] 13,476 | |
| [Beilstein/Gmelin] 473071 | |
| [Beilstein Reference] 4-14-00-01967 | |
| [Small spills/leaks] Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation. Place under an inert atmosphere. | |
| [Disposal Code] 4 | |
| [Incompatibilities] Air. | |
| [Stability] Stable under normal temperatures and pressures. | |
| [Decomposition] Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. | |
| [HS Code] 2922 50 00 |
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