| Product Identification | Back to Contents | 【Product Name】
Diphenylene oxide | 【Synonyms】
Diphenylene oxide | 【CAS】
132-64-9 | 【Formula】
C12H8O | 【Molecular Weight】
168.2 | 【EINECS】
205-071-3 | 【RTECS】
HP4430000 | 【RTECS Class】
Mutagen | 【Beilstein/Gmelin】
121100 | 【Beilstein Reference】
5-17-02-00234 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Colorless white crystalline solid. | 【Solubility in water】
Insoluble | 【Melting Point】
79 - 82 | 【Boiling Point】
285 | 【Vapor Pressure】
0.004 (30 C) | 【Density】
0.966 g/cm3 (20 C) | 【Partition Coefficient】
4.12 | 【Heat Of Vaporization】
80.5 kJ/mol | 【Heat Of Combustion】
-5836 kJ/mol | 【Usage】
Component of heat-transfer oils (together with biphenyl), carrier for dyeing and printing textiles (combined with methylnaphthalenes), intermediate for production of dyes, antioxidants in plastics, and plastics. | 【Vapor Density】
5.8 | 【Odor threshold】
0.7752 mg/m3 | 【Refractive Index】
1.6079 (99 C) |
| First Aid Measures | Back to Contents | 【Ingestion】
Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Wash mouth out with water. | 【Inhalation】
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. Get medical aid. | 【Skin】
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】
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. |
| Handling and Storage | Back to Contents | 【Storage】
Store in a tightly closed container. 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. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Keep container tightly closed. |
| Hazards Identification | Back to Contents | 【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. | 【Skin】
May cause skin irritation. | 【Eyes】
Causes eye irritation. | 【EC Safety Phrase】
S 22 24/25 |
| Exposure Controls/Personal Protection | Back to Contents | 【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 a chemical apron. | 【Respirators】
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149. |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
148 | 【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 extinguishing media most appropriate for the surrounding fire. In case of fire use water spray, dry chemical, carbon dioxide, or chemical foam. | 【Upper exp. limit】
6.4 | 【Lower exp. limit】
.8 | 【Fire Potential】
This material is probably combustible. |
| Accidental Release Measures | Back to Contents | 【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. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
3 | 【Stability】
Stable at room temperature in closed containers under normal storage and handling conditions. | 【Incompatibilities】
Strong oxidizing agents. | 【Decomposition】
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. |
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