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Hoechst 33258

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[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 agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
[Ingestion]

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]

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. 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 immediately.
[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 with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
[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. The toxicological properties of this substance have not been fully investigated.
[Skin]

May cause skin irritation. The toxicological properties of this material have not been fully investigated.
[Eyes]

May cause eye irritation. The toxicological properties of this material have not been fully investigated.
[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 prevent skin exposure.
[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.
[Appearance]

Yellow-green powder.
[Melting Point]

280
[Heat Of Vaporization]

[Usage]

A fluorescent stain for dna in molecular biology applications.
[Product Name]

p-(5-(5-(4-Methyl-1-piperazinyl)-1H-2-benzimidazolyl)-1H-2-benzimidazolyl)phenol trihydrochloride
[Synonyms]

4-[5-[6-(4-Methylpiperazin-1-yl)-1H-benzimidazol-2-yl]-1,3-dihydrobenzimidazol-2-ylidene]cyclohexa-2,5-dien-1-one trihydrochloride
Bisbenzimidazole trihydrochloride
H-33258
HOE-33058
Phenol, p-(5-(5-(4-methyl-1-piperazinyl)-2-benzimidazolyl)-2-benzimidazolyl)-, trihydrochloride
Pibenzimol HCl
[CAS]

"CASEN_23491-45-4.htm">23491-45-4
[Formula]

C25H27Cl3N6O
[Molecular Weight]

533.89
[EINECS]

245-690-6
[RTECS]

SM1140500
[RTECS Class]

Mutagen
[Beilstein/Gmelin]

4088183
[Small spills/leaks]

Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Provide ventilation.
[Incompatibilities]

Oxidizing agents.
[Stability]

Stable under normal temperatures and pressures.
[Decomposition]

Hydrogen chloride, nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, nitrogen.