RHODAMINE B
(81-88-9)
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Chemistry
Formula: C
28H
31ClN
2O
3Molecular Weight：479.01
Appearance：Green crystals or reddish violet powder, solution in water has bluish-red color, dilute solutions strongly fluorescent..
Solubility in water：soluble
Melting Point：199-201
Synonyms：(9-(o-carboxyphenyl)-6-(diethylamino)-3h-xanthen-3-ylidene)diethyl-ammoniu;(9-(o-carboxyphenyl)-6-(diethylamino)-3h-xanthen-3-ylidene)diethylammoniumc;(9-(o-carboxyphenyl)-6-(diethylamino)-3h-xanthen-3-ylidene)diethylammoniumchl;11411 Red;11411red;9-(2-carboxyphenyl)-3,6-bis(diethylamino)-xanthyliuchloride;9-(2-Carboxyphenyl)-3,6-bis(diethylamino)xanthylium;9-o-Carboxyphenyl-6-diethylamino-3-ethylimino-3-isoxanthene, 3-ethochloride
Molecular Structure：
Uses
As dye, esp for paper, as reagent for antimony, bismuth, cobalt, niobium, gold, manganese, mercury, molybdenum, tantalum, thallium, tungsten, as biological stain.
Toxicity Data With Reference
Ingestion: Causes gastrointestinal irritation with nausea, vomiting and diarrhea
Inhalation: Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. Can produce delayed pulmonary edema.
Skin: Causes skin irritation.
Eyes: Causes eye irritation. This product contains a cationic dye. Similar dyes have caused permanant injury to the cornea and conjunctiva in documented exposure cases with human or rabbit eyes. May cause chemical conjunctivitis.
Safety Profile
Hazard Codes: Xn,Xi,F
Risk Statements: 22-41-68-67-36-11
Safety Statements: 7-16-24/25-26-36/37/39-39
WGK Germany: 2
Specification
Stability: Stable at room temperature in closed containers under normal storage and handling conditions.
Storage：Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances
Handling：Wash thoroughly after handling. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Wash clothing before reuse.
First Aid Measures:
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.
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: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
