| [Flash Point] 120 | |
| [Autoignition] 320 | |
| [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: Do NOT use water directly on fire. Use foam, dry chemical, or carbon dioxide. | |
| [Upper exp. limit] 13.1 | |
| [Lower exp. limit] 2 | |
| [Ingestion] Do NOT induce vomiting. 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 immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. | |
| [Eyes] Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. | |
| [Storage] Store in a cool, dry place. Keep container closed when not in use. | |
| [Handling] Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. | |
| [Ingestion] May cause central nervous system depression. May cause gastrointestinal tract damage. May be harmful if swallowed. | |
| [Inhalation] Causes respiratory tract irritation. | |
| [Skin] Causes skin irritation. If absorbed, may cause symptoms similar to those for ingestion. May be harmful if absorbed through the skin. | |
| [Eyes] Causes eye irritation. | |
| [EC Risk Phrase] R 21/22 37/38 41 | |
| [EC Safety Phrase] S 26 36/37/39 | |
| [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 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. | |
| [Poison Class] 4 | |
| [Appearance] White powder. | |
| [Solubility in water] Very soluble | |
| [Melting Point] 52 - 55 | |
| [Boiling Point] 287 | |
| [Vapor Pressure] 0.003 (25 C) | |
| [Density] 1.411 g/cm3 | |
| [Partition Coefficient] -.92 | |
| [Heat Of Vaporization] 52.6 | |
| [Heat Of Combustion] -2207 kJ/mol | |
| [Product Name] Dihydro-2H-pyran-2,6(3H)-dione | |
| [Synonyms] 2H-Pyran-2,6(3H)-dione, dihydro- Glutaric acid anhydride Pentanedioic acid anhydride Pentanedioic anhydride Pyroglutaric acid | |
| [CAS] "CASEN_108-55-4.htm">108-55-4 | |
| [Formula] C5H6O3 | |
| [Molecular Weight] 114.1 | |
| [EINECS] 203-593-6 | |
| [RTECS] MA3850000 | |
| [RTECS Class] Other | |
| [Beilstein/Gmelin] 110051 | |
| [Beilstein Reference] 5-17-11-00009 | |
| [EC Class] harmful, irritant | |
| [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. | |
| [Disposal Code] 4 | |
| [Stability] May decompose on exposure to moist air or water. | |
| [Incompatibilities] Strong oxidizing agents, acids, bases, alcohols, amines. | |
| [Decomposition] Carbon monoxide, carbon dioxide, acrid smoke and fumes. | |
| [HS Code] 2917 19 90 |
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