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5',5"-Dibromophenolsulfonphthalein(2800-80-8)

5',5"-Dibromophenolsulfonphthalein(2800-80-8)
Product IdentificationBack to Contents
【Product Name】

5',5"-Dibromophenolsulfonphthalein
【Synonyms】

2-Bromo-4-[3-(3-bromo-4-hydroxyphenyl)-1,1-dioxobenzo[c]oxathiol-3-yl]phenol
Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-, S,S-dioxide
【CAS】

2800-80-8
【Formula】

C19H12Br2O5S
【Molecular Weight】

512.17999999999995
【EINECS】

220-538-1
【Beilstein/Gmelin】

354317
【Beilstein Reference】

5-19-03-00458
Physical and Chemical PropertiesBack to Contents
【Appearance】

Red to red-brown solid.
【Solubility in water】

Insoluble
【Melting Point】

230
【pKa/pKb】

6.51(at 25℃) (pKa)
【Usage】

Acid-base indicator.
First Aid MeasuresBack to Contents
【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.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
【Skin】

Immediately 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.
【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 cool, dry place. Keep container closed when not in use.
【Handling】

Wash thoroughly after handling. Wash hands before eating. Use with adequate ventilation. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
Hazards IdentificationBack to Contents
【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. Prolonged and/or repeated contact may cause irritation and/or dermatitis.
【Eyes】

May cause eye irritation.
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】

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.
Fire Fighting MeasuresBack 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. Use agent most appropriate to extinguish fire.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment.
Stability and ReactivityBack to Contents
【Disposal Code】

3
【Stability】

Stable under normal temperatures and pressures.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

No data available.
Transport InformationBack to Contents
【HS Code】

2934 99 90
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