| [Flash Point] 245 | |
| [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. | |
| [Upper exp. limit] 16.8 | |
| [Lower exp. limit] 2.8 | |
| [Fire Potential] 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. In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. | |
| [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 immediately. | |
| [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 cool, dry, well-ventilated area away from incompatible substances. | |
| [Handling] Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. | |
| [Ingestion] May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated. | |
| [Inhalation] May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. | |
| [Skin] May cause skin irritation. The toxicological properties of this material have not been fully investigated. | |
| [Eyes] May cause eye irritation. The toxicological properties of this material have not been fully investigated. | |
| [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] White, crystalline powder. | |
| [Solubility in water] 558 g/L | |
| [Melting Point] 133 | |
| [Boiling Point] 322 | |
| [Vapor Pressure] <0.1 | |
| [Density] 1.601 g/cm3 (20 C) | |
| [pKa/pKb] 3.61 (pKa) | |
| [Partition Coefficient] -1.29 | |
| [Usage] The active ingredient in many sour or tart foods. | |
| [Vapor Density] 4.6 | |
| [Product Name] DL-2-Hydroxybutanedioic acid | |
| [Synonyms] 2-Hydroxybutanedioic acid 2-Hydroxyethane-1,2-dicarboxylic acid Deoxytetraric acid DL-Hydroxysuccinic acid Musashi-no-Ringosan Pomalus acid | |
| [CAS] "CASEN_617-48-1.htm">617-48-1 | |
| [Formula] C4H6O5 | |
| [Molecular Weight] 134.09 | |
| [EINECS] 210-514-9 | |
| [Beilstein/Gmelin] 1723539 | |
| [Beilstein Reference] 4-03-00-01123 | |
| [Small spills/leaks] Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Provide ventilation. | |
| [Incompatibilities] Oxidizing agents, reducing agents, bases, alkali metals. | |
| [Stability] Stable under normal temperatures and pressures. | |
| [Decomposition] Carbon monoxide, carbon dioxide. |
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