| [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, dry chemical, chemical foam, or alcohol-resistant 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 if irritation or symptoms occur. | |
| [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] Immediately 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 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 eyes, skin, and clothing. Avoid ingestion and inhalation. | |
| [Inhalation] May cause respiratory tract irritation. Low hazard for usual industrial handling. | |
| [Skin] May cause skin irritation. Prolonged and/or repeated contact may cause irritation and/or dermatitis. | |
| [Eyes] May cause eye irritation. May cause staining and eye irritation. | |
| [Ingestion] May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Low hazard for usual industrial handling. | |
| [EC Risk Phrase] R 36/37/38 | |
| [EC Safety Phrase] S 26 36 | |
| [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. | |
| [Exposure Effects] The toxicological properties of this material have not been investigated. | |
| [Appearance] Dark green crystalline powder. | |
| [Solubility in water] 400 g/L (20 C) | |
| [Usage] Chemical indicator. | |
| [Product Name] Catecholsulfonphthalein | |
| [Synonyms] 1,2-Benzenediol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis-, S,S-dioxide Pyrocatechol sulfonphthalein Pyrocatecholsulfonephthalein | |
| [CAS] "CASEN_115-41-3.htm">115-41-3 | |
| [Formula] C19H14O7S | |
| [Molecular Weight] 386.38 | |
| [EINECS] 204-088-3 | |
| [Beilstein/Gmelin] 353938 | |
| [Beilstein Reference] 5-19-03-00703 | |
| [Small spills/leaks] Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. | |
| [Disposal Code] 3 | |
| [Stability] Stable under normal temperatures and pressures. | |
| [Incompatibilities] Strong oxidants. | |
| [Decomposition] Carbon monoxide, oxides of sulfur, irritating and toxic fumes and gases, carbon dioxide. | |
| [HS Code] 3204 19 00 |
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