| [Fire Fighting] Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Material will not burn. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Wear appropriate protective clothing to prevent contact with skin and eyes. Wear a self-contained breathing apparatus (SCBA) to prevent contact with thermal decomposition products. Use extinguishing media appropriate to the surrounding fire. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam. | |
| [Fire Potential] Nonflammable. | |
| [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. 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 if cough or other symptoms appear. 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. Get medical aid if irritation develops or persists. Wash clothing before reuse. | |
| [Eyes] Immediately 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] Use with adequate ventilation. Minimize dust generation and accumulation. Avoid prolonged or repeated contact with skin. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Wash clothing before reuse. | |
| [Inhalation] Causes respiratory tract irritation. Can produce delayed pulmonary edema. | |
| [Skin] Causes skin irritation. | |
| [Eyes] Causes eye irritation. May cause chemical conjunctivitis. | |
| [Ingestion] Ingestion of large amounts may cause gastrointestinal irritation. May cause gastrointestinal irritation with nausea, vomiting and diarrhea. | |
| [Hazards] May melt with loss of steam | |
| [UN (DOT)] 9147 | |
| [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] A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use. | |
| [Exposure Effects] Effects may be delayed. None | |
| [Poison Class] 5 | |
| [Appearance] Colorless or white crystalline solid or granules or powder, hygroscopic. | |
| [Solubility in water] Soluble | |
| [Melting Point] 250 | |
| [Density] 1.53 g/cm3 | |
| [Usage] Ph adjustment, fungicide, herbicide, microbiocide. | |
| [Product Name] Disodium hydrogenorthophosphate | |
| [Synonyms] Acetest Disodium hydrogen phosphate Disodium phosphite Soda phosphate Sodium monohydrogen phosphate | |
| [CAS] "CASEN_7558-79-4.htm">7558-79-4 | |
| [Formula] HNa2O4P | |
| [Molecular Weight] 141.96 | |
| [EINECS] 231-448-7 | |
| [RTECS] WC4500000 | |
| [RTECS Class] Primary Irritant | |
| [Merck] 12,8805 | |
| [Beilstein/Gmelin] 33547 (G) | |
| [Small spills/leaks] Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation. | |
| [Disposal Code] 14 | |
| [Stability] Stable at room temperature in closed containers under normal storage and handling conditions. | |
| [Incompatibilities] Strong oxidizing agents, strong bases. | |
| [Decomposition] Oxides of phosphorus, irritating and toxic fumes and gases, sodium oxide. | |
| [Combustion Products] Fire may produce irritating, corrosive and/or toxic gases. | |
| [UN Number] 9147 | |
| [Hazard Class] 9 | |
| [HS Code] 2835 22 00 |
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