| [Flash Point] 280 | |
| [Fire Fighting] Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use water spray, dry chemical, or carbon dioxide. | |
| [Ingestion] Get medical aid. Wash mouth out with water. | |
| [Inhalation] Remove from exposure to fresh air immediately. 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. | |
| [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 place. Store in a tightly closed container. | |
| [Handling] Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Store protected from light. Use only in a chemical fume hood. | |
| [Inhalation] Harmful if inhaled. Causes respiratory tract irritation. | |
| [Skin] Causes skin irritation. Harmful if absorbed through the skin. | |
| [Eyes] May cause eye irritation. | |
| [Ingestion] Harmful if swallowed. Causes gastrointestinal irritation with nausea, vomiting and diarrhea. | |
| [Hazards] Emits very toxic fumes of flourides and nitrogen oxides when heated to decomposition. Avoid decomposing heat. | |
| [EC Risk Phrase] R 46 60 61 23/24/25 | |
| [EC Safety Phrase] S 53 45 | |
| [UN (DOT)] 2811 | |
| [Personal Protection] Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron. | |
| [Respirators] A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149. | |
| [Exposure Effects] Prolonged or repeated exposure may cause adverse reproductive effects. | |
| [Poison Class] 1* | |
| [Appearance] White to nearly white crystalline powder; practically odorless. | |
| [Solubility in water] Very soluble | |
| [Melting Point] 282 - 283 | |
| [Boiling Point] 347 | |
| [pKa/pKb] 7.88 (pKa) | |
| [Partition Coefficient] -.78 | |
| [Heat Of Vaporization] | |
| [Usage] Immunosuppressive agent. | |
| [Product Name] 5-Fluoropyrimidine-2,4-dione | |
| [Synonyms] 5-Fluoro-1H-pyrimidine-2,4-dione 5-Fluoro-2,4(1H,3H)-pyrimidinedione | |
| [CAS] "CASEN_51-21-8.htm">51-21-8 | |
| [Formula] C4H3FN2O2 | |
| [Molecular Weight] 130.08000000000001 | |
| [EINECS] 200-085-6 | |
| [RTECS] YR0350000 | |
| [RTECS Class] Tumorigen; Drug; Mutagen; Reproductive Effector; Human Data; Primary Irritant | |
| [Merck] 13,4208 | |
| [Beilstein/Gmelin] 127172 | |
| [Beilstein Reference] 5-34-06-00271 | |
| [EC Class] harmful | |
| [Small spills/leaks] Vacuum or sweep up material and place into a suitable disposal container. | |
| [Disposal Code] 3 | |
| [Stability] Stable under normal temperatures and pressures. | |
| [Incompatibilities] Strong oxidizing agents. | |
| [Decomposition] Nitrogen oxides, carbon monoxide, carbon dioxide, hydrogen fluoride. | |
| [UN Number] 2811 | |
| [HS Code] 2933 59 95 |
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