Carbazole 86-74-8 CAS NO.86-74-8

【product name】

9-azafluorene
【synonyms】

9-azafluorene
9h-carbazole
dibenzopyrrole
diphenylenimine
【cas】

86-74-8
【formula】

c12h9n
【molecular weight】

167.21
【einecs】

201-696-0
【rtecs】

fe3150000
【rtecs class】

tumorigen; mutagen
【merck】

13,1797
【beilstein/gmelin】

3956
【beilstein reference】

5-20-08-00009
physical and chemical properties back to contents
【appearance】

white crystals, plates, leaflets or light tan powder. sublimes readily.
【solubility in water】

insoluble
【melting point】

236
【boiling point】

355
【vapor pressure】

7e-5 (25 c)
【density】

1.26 g/cm3
【partition coefficient】

3.72
【heat of vaporization】

57.6 kj/mol
【heat of combustion】

-118.8 kj/mol
【usage】

chemical intermediate for vat blue 43, azoic coupling component 15, pigment violet 23, for the explosive, tetranitrocarbazole, for the monomer, n-vinylcarbazole.
first aid measures back to contents
【ingestion】

do not induce vomiting. 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 immediately.
【inhalation】

remove from exposure to fresh air immediately. if not breathing, give artificial respiration. if breathing is difficult, give oxygen. 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】

immediately 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 cool, dry place. store in a tightly closed container.
【handling】

wash thoroughly after handling. wash hands before eating. remove contaminated clothing and wash before reuse. use with adequate ventilation. minimize dust generation and accumulation. avoid contact with skin and eyes. avoid ingestion and inhalation.
hazards identification back to contents
【inhalation】

may cause respiratory tract irritation.
【skin】

may cause skin irritation.
【eyes】

may cause eye irritation.
【ingestion】

may cause gastrointestinal irritation with nausea, vomiting and diarrhea.
【ec risk phrase】

r 22 40
【ec safety phrase】

s 22 36/37
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 appropriate protective clothing to minimize contact with skin.
【respirators】

follow the osha respirator regulations found in 29cfr 1910.134 or european standard en 149. always use a niosh or european standard en 149 approved respirator when necessary.
【exposure effects】

may cause cancer according to animal studies.
fire fighting measures back to contents
【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. to extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam. use agent most appropriate to extinguish fire.
【upper exp. limit】

5.5
【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. reduce airborne dust and prevent scattering by moistening with water. 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 under normal temperatures and pressures.
【incompatibilities】

strong oxidizing agents.
【decomposition】

nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
transport information back to contents
【hs code】

2933 99 90