| [Flash Point] 147 | |
| [Fire Fighting] Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire, use water fog, dry chemical, carbon dioxide, or regular 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. | |
| [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] Keep container closed when not in use. 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] May cause gastrointestinal irritation with nausea, vomiting and diarrhea. | |
| [Inhalation] May cause respiratory tract irritation. | |
| [Skin] May cause skin irritation. | |
| [Eyes] May cause eye irritation. | |
| [EC Risk Phrase] R 36/37/38 | |
| [EC Safety Phrase] S 26 36 | |
| [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] Beige to brown. | |
| [Solubility in water] Slightly soluble | |
| [Melting Point] 150 - 155 | |
| [Boiling Point] 295 | |
| [Vapor Pressure] 0.001 (25 C) | |
| [Density] 1.505 g/cm3 | |
| [pKa/pKb] 7.59 (pKa) | |
| [Partition Coefficient] 1.09 | |
| [Heat Of Vaporization] 55.7 kJ/mol | |
| [Heat Of Combustion] -3100 kJ/mol | |
| [Product Name] Protocatechualdehyde | |
| [Synonyms] 1,2-Dihydroxy-4-formylbenzene 3,4-Dihydroxybenzaldehyde 3,4-Dihydroxybenzenecarbonal Protocatechuic aldehyde Rancinamycin IV | |
| [CAS] "CASEN_139-85-5.htm">139-85-5 | |
| [Formula] C7H6O3 | |
| [Molecular Weight] 138.12 | |
| [EINECS] 205-377-7 | |
| [RTECS] UL0380000 | |
| [RTECS Class] Other | |
| [Merck] 12,8079 | |
| [Beilstein/Gmelin] 774381 | |
| [Beilstein Reference] 4-08-00-01762 | |
| [EC Class] irritant | |
| [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. | |
| [HS Code] 2912 49 00 |
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