| [Fire Fighting] Extinguish with carbon dioxide, dry chemical powder or appropriate foam. Water spray. Wear self-contained breathing apparatus and protective clothing to prevent contact with the skin and eyes. | |
| [Storage] Store in original container in a cool dark place. | |
| [Inhalation] Remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen. Seek medical attention. | |
| [Skin] Immediately wash skin with soap and copious amounts of water for at least 15 minutes. If irritation persists, seek medical attention. | |
| [Eyes] Immediately flush eyes with copious amounts of water for at least 15 minutes. Seek medical advice. | |
| [Ingestion] If swallowed, wash out mouth with water, provided person is conscious. Seek medical advice. | |
| [Personal Protection] Wear self-contained breathing apparatus, rubber boots & heavy rubber gloves. | |
| [Solubility in water] Insoluble | |
| [Melting Point] 188 - 190 | |
| [Density] 1.39 g/cm3 (20 C) | |
| [pKa/pKb] 7.97 (pKb) | |
| [Partition Coefficient] 2.28 | |
| [Usage] Used to treat erectile dysfunction (male impotence) and pulmonary arterial hypertension. | |
| [Product Name] 5-[2-Ethoxy-5-(4-methylpiperazin-1-yl-sulphonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazol[4,3d]pyrimidin-7-one | |
| [Synonyms] Piperazine, 1-[[3-(4,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methyl- | |
| [CAS] "CASEN_139755-83-2.htm">139755-83-2 | |
| [Formula] C22H30N6O4S | |
| [Molecular Weight] 474.58 | |
| [Merck] 12,10403 | |
| [Small spills/leaks] Sweep-up/absorb in suitable material, place in a container and hold for disposal. Avoid raising dust. Ventilate area and wash spill site after pickup is complete. | |
| [Combustion Products] Emits toxic fumes under fire conditions. |
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