| [Flash Point] 190 | |
| [Autoignition] 400 | |
| [Fire Fighting] Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use foam, dry chemical, or carbon dioxide. | |
| [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. | |
| [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. | |
| [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 tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. | |
| [Handling] Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. | |
| [Ingestion] The toxicological properties of this substance have not been fully investigated. | |
| [Inhalation] The toxicological properties of this substance have not been fully investigated. | |
| [Skin] May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material. | |
| [Eyes] May cause eye irritation. | |
| [EC Risk Phrase] R 34 | |
| [EC Safety Phrase] S 26 36/37/39 45 | |
| [UN (DOT)] 3261 | |
| [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. | |
| [Appearance] odorless slightly beige solid | |
| [Solubility in water] Very soluble | |
| [Melting Point] 293 | |
| [Vapor Pressure] 0.075 (20 C) | |
| [Density] 1 g/cm3 (20 C) | |
| [pKa/pKb] 0.52 (pKa) | |
| [Usage] Treatment of warts and autoimmune hair loss. | |
| [Product Name] 3,4-Dihydroxy-3-cyclobutene-1,2-dione | |
| [Synonyms] 1,2-Diketo-3,4-dihydroxycyclobutene 3,4-Dihydroxy-3-cyclobutene-1,2-dione 3,4-Dihydroxycyclobutene-1,2-dione Dihydroxycyclobutenedione Quadratic acid | |
| [CAS] "CASEN_2892-51-5.htm">2892-51-5 | |
| [Formula] C4H2O4 | |
| [Molecular Weight] 114.06 | |
| [EINECS] 220-761-4 | |
| [RTECS] GU1800000 | |
| [RTECS Class] Tumorigen | |
| [Beilstein/Gmelin] 774275 | |
| [Beilstein Reference] 4-08-00-02701 | |
| [EC Class] corrosive | |
| [Small spills/leaks] Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. | |
| [Disposal Code] 3 | |
| [Stability] Stable under normal temperatures and pressures. | |
| [Incompatibilities] Strong oxidizing agents, strong bases. | |
| [Decomposition] Carbon monoxide, carbon dioxide. | |
| [UN Number] 3261 | |
| [HS Code] 2914 40 90 |
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