CAS 81-88-9 Rhodamine B (For Biological Stains and Dyes) - Analytical Products / Alfa Chemistry

CAT	APB81889-1
CAS	81-88-9
Structure
Synonyms	Basic Violet 10; Brilliant Pink B; Tetraethylrhodamine; Calcozine Red BX; Symulex Magenta F; Rhodamine 610; C.I. Pigment Violet 1
IUPAC Name	[9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride
Molecular Weight	479.0
Molecular Formula	C28H31ClN2O3

Description	Rhodamine B is a type of amphoteric dye that is frequently employed as a fluorochrome. It is an organic chloride salt and a xanthene dye. As the temperature rises, there is a corresponding drop in the fluorescence intensity of rhodamine B.
Melting Point	210-211 °C
Solubility	Soluble in water, alcohol & ether and insoluble in organic solvents
Appearance	Green or reddish-violet solid powder or crystals
Storage	Room temperature
Color Index	45170
Pubchem CID	6694
Pubchem SID	475523900
Uses	In biology, the fluorescent dye rhodamine B is used in combination with Auramine O as auramine-rhodamine stain to stain acid-fast organisms, e.g. Mycobacterium.

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