1,5-Diisocyanatonaphthalene
- Naphthalene, 1,5-diisocyanate
- Naphthalene diisocyanate
- 1,5-Naphthylene diisocyanate
- 1,5-Naphthyl diisocyanate
- Isocyanic acid, 1,5-naphthylene ester
1,5-Diisocyanatonaphthalene | |
| |
| Formula | C12H6N2O2 |
| Structure | |
| Description | White to light-yellow crystalline flakes. |
| Registry Numbers and Inventories. | |
| CAS | 3173-72-6 |
| EC (EINECS/ELINCS) | 221-641-4 |
| EC Index Number | 615-007-00-X |
| EC Class | Harmful; Irritant; Sensitising; Dangerous for the Environment |
| RTECS | NQ9600000 |
| RTECS class | Tumorigen |
| UN (DOT) | 2206 |
| Beilstein/Gmelin | 2212353 |
| Beilstein Reference | 4-13-00-00342 |
| Swiss Giftliste 1 | G-3604 |
| Canada DSL/NDSL | NDSL |
| US TSCA | Listed |
| Austrailia AICS | Listed |
| New Zealand | Listed |
| Japan ENCS (MITI) | Listed |
| Korea ECL | Listed |
| Properties. | |
| Formula | C12H6N2O2 |
| Formula mass | 210.20 |
| Melting point, °C | 130 - 131 |
| Boiling point, °C | 220 - 221 (40 torr) |
| Vapor pressure, mmHg | 0.003 |
| Vapor density (air=1) | 7.3 |
| Density | 1.462 g/cm3 |
| Solubility in water | Insoluble |
| Hazards and Protection. | |
| Storage | Store in a tightly closed container to prevent moisture contamination. |
| Handling | Do not reseal if contamination is suspected. Avoid contact with skin and eyes. Do not breath aerosols/vapors. |
| Protection | Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots. |
| Respirators | A supplied=air respirator or a SCBA. |
| Small spills/leaks | If material is molten, allow to solidify. Shovel into open containers. Flakes can be swept and placed into an open container.. |
| Stability | Stable at normal temperatures and pressures. |
| Incompatibilities | Strong oxidizing agents. |
| Decomposition | Oxides of carbon and nitrogen. Traces of HCN. |
| Fire. | ||||
| Flash Point,°C | 155 | |||
| 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. Use agent most appropriate to extinguish fire. | |||
| Health. | |
| Exposure limit(s) | NIOSH REL: TWA 0.040 mg/m3 (0.005 ppm) C 0.170 mg/m3 (0.020 ppm) 10-minute |
| Poison_Class | 2 |
| Exposure effects | |
| Ingestion | See inhalation. |
| Inhalation | Symptoms: irritation eyes, nose, throat; respiratory sensitization, cough, pulmonary secretions, chest pain, dyspnea (breathing difficulty); asthma Target Organs: Eyes, respiratory system. |
| Skin | See inhalation. |
| Eyes | See inhalation. |
First aid |
|
| Ingestion | Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended. |
| Inhalation | If symptoms develop, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention. |
| Skin | Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse. |
| Eyes | If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate medical attention. |
| Transport. | ||
| UN number | 2206 | |
| Response guide | 155 | |
| Hazard class | 6.1 | |
| Packing Group | II; III | |