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1,5-Naphthalene diisocyanate

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[Flash Point]

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.
[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.
[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.
[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.
[UN (DOT)]

2206
[Personal 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.
[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
[Appearance]

White to light-yellow crystalline flakes.
[Solubility in water]

Insoluble
[Melting Point]

130 - 131
[Boiling Point]

220 - 221 (40 torr)
[Vapor Pressure]

.003
[Density]

1.462 g/cm3
[Vapor Density]

7.3
[Product Name]

1,5-Naphthalene diisocyanate
[Synonyms]

1,5-Naphthyl diisocyanate
1,5-Naphthylene diisocyanate
Isocyanic acid, 1,5-naphthylene ester
Naphthalene diisocyanate
Naphthalene, 1,5-diisocyanate
[CAS]

"CASEN_3173-72-6.htm">3173-72-6
[Formula]

C12H6N2O2
[Molecular Weight]

210.2
[EINECS]

221-641-4
[RTECS]

NQ9600000
[RTECS Class]

Tumorigen
[Beilstein/Gmelin]

2212353
[Beilstein Reference]

4-13-00-00342
[EC Index Number]

615-007-00-X
[EC Class]

Harmful; Irritant; Sensitising; Dangerous for the Environment
[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.
[UN Number]

2206
[Hazard Class]

6.1
[Packing Group]

II; III