| [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. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam. | |
| [Ingestion] Never give anything by mouth to an unconscious person. Get medical aid immediately. 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. | |
| [Skin] Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. 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 immediately. | |
| [Storage] Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. | |
| [Handling] Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. | |
| [Inhalation] May cause respiratory tract irritation. | |
| [Skin] May cause skin irritation. | |
| [Eyes] May cause eye irritation. | |
| [Ingestion] May cause gastrointestinal irritation with nausea, vomiting and diarrhea. | |
| [EC Risk Phrase] R 62 63 | |
| [EC Safety Phrase] S 22 36/37 | |
| [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] 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. | |
| [Exposure Effects] The toxicological properties of this material have not been fully investigated. Possible risks of irreversible effects. | |
| [Poison Class] 1* | |
| [Appearance] White, fine crystalline powder. | |
| [Solubility in water] Slightly soluble | |
| [Melting Point] 117 | |
| [Boiling Point] 358 | |
| [Partition Coefficient] -1.32 | |
| [Usage] Radiation-protective agent. | |
| [Vapor Density] 4.3 | |
| [Product Name] 2,4-Dihydroxy-6-methylpyrimidine | |
| [Synonyms] 2,4-Dihydroxy-6-methylpyrimidine 6-Methyl-1H-pyrimidine-2,4-dione 6-Methyl-2,4(1H,3H)-pyrimidinedione | |
| [CAS] "CASEN_626-48-2.htm">626-48-2 | |
| [Formula] C5H6N2O2 | |
| [Molecular Weight] 126.12 | |
| [EINECS] 210-949-4 | |
| [RTECS] YR0700000 | |
| [RTECS Class] Tumorigen; Reproductive Effector | |
| [Merck] 12,6213 | |
| [Beilstein/Gmelin] 115647 | |
| [Beilstein Reference] 5-24-07-00006 | |
| [EC Class] toxic for reproduction | |
| [Small spills/leaks] Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation. | |
| [Disposal Code] 3 | |
| [Incompatibilities] Oxidizing agents. | |
| [Stability] Stable under normal temperatures and pressures. | |
| [Decomposition] Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, nitrogen. | |
| [HS Code] 2933 59 95 |
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