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1,5-Naphthalene diisocyanate(3173-72-6)

1,5-Naphthalene diisocyanate(3173-72-6)
Product IdentificationBack to Contents
【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】

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
Physical and Chemical PropertiesBack to Contents
【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
First Aid MeasuresBack to Contents
【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.
Handling and StorageBack to Contents
【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.
Hazards IdentificationBack to Contents
【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
Exposure Controls/Personal ProtectionBack to Contents
【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
Fire Fighting MeasuresBack to Contents
【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.
Accidental Release MeasuresBack to Contents
【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 and ReactivityBack to Contents
【Stability】

Stable at normal temperatures and pressures.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Oxides of carbon and nitrogen. Traces of HCN.
Transport InformationBack to Contents
【UN Number】

2206
【Hazard Class】

6.1
【Packing Group】

II; III
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