Rhodamine B CAS# 81-88-9

Description of properties:
It is green crystal or red-purple powder. It is easily soluble in water and ethanol, and slightly soluble in acetone, chloroform, hydrochloric acid and sodium hydroxide solution. Its aqueous solution is blue-red, and has strong fluorescence after dilution, and the alcohol solution has red fluorescence.
Properties and stability: Bright green flashing crystalline powder, which is a blue-red solution with strong fluorescence after dissolving in water and alcohol, easily soluble in cellulose, and slightly soluble in acetone. It is yellow-brown with strong green fluorescence when it encounters concentrated sulfuric acid, and turns from bright red to blue-red and orange after dilution. Its aqueous solution is heated after adding sodium hydroxide to form a rose-red fluffy precipitate.

Rhodamine B CAS# 81-88-9

Rhodamine B Basic information
Product Name: Rhodamine B
Synonyms: 9-(2-carboxyphenyl)-3,6-bis(diethylamino)xanthylium chloride;(9-(O-CARBOXYPHENYL)-6-(DIETHYL-AMINO)-3H-XANTHENE-3-YLIDENE)DIETHYL AMMONIUM CHLORIDE;ACID RHODAMINE B;LABOTEST-BB LT00772274;BRILLIANT RHODAMINE B;BRILLIANT PINK;BRILLIANT PINK B;CI NO 5170
CAS: 81-88-9
MF: C28H31ClN2O3
MW: 479.01
EINECS: 201-383-9
Product Categories: Analytical Chemistry;Ion Association;Steroids, Terpenes, Lipids, Bile acidsDerivatization Reagents;TLC Reagents, N-R;TLC ReagentsDerivatization Reagents TLC;Derivatization Reagents TLC;TLC Visualization Reagents (alphabetic sort);TLC Visualization Reagents (by application);Organics;Dyes and Pigments
Mol File: 81-88-9.mol
Rhodamine B Structure
Rhodamine B Chemical Properties
Melting point 210-211 (dec.)(lit.)
density 0.79 g/mL at 20 °C
refractive index 1.6500 (estimate)
Fp 12 °C
storage temp. room temp
solubility H2O: soluble1mg/mL
Colour Index 45170
form Solid
color Green
PH 3-4 (10g/l, H2O, 20℃)
Water Solubility SOLUBLE
Merck 14,8183
BRN 4119648
Stability: Stable. Incompatible with strong oxidizing agents.
LogP 1.9-2
CAS DataBase Reference 81-88-9(CAS DataBase Reference)
NIST Chemistry Reference Rhodamine b(81-88-9)
IARC 3 (Vol. 16, Sup 7) 1987
EPA Substance Registry System Rhodamine B (81-88-9)

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