Erythrosin B, red powder C.I. 45430:2

Supplier: MP BIOMEDICALS (FKA ICN BIOMED

Synonyms: Tetraiodofluorescein, Solvent Red 140, C.I. 45430:2

0219045005 0219045025
IC19045005EA 58.84 USD
IC19045005 IC19045025
Erythrosin B, red powder C.I. 45430:2
Erythrosin B

Erythrosin B is a red, anionic xanthene dye.


Erythrosin B has been used as a contrast or counterstain to hematoxylin,crystal violet and other nuclear stains, in both plant and animal tissue.


Soluble in methyl cellosolve (20 mg/mL); slightly soluble in ethanol (2 mg/mL); very slightly soluble in water (0.7 mg/mL). Soluble in 0.05% methanol to give clear orange solution, in ammonium hydroxide (1 mg/mL) giving clear solution. Also spirit soluble.


Erythrosin B is a red, anionic xanthene dye.

Formula: C₂₀H₈I₄O₅
MW: 835.89 g/mol
Melting Pt: 303 °C
MDL Number: MFCD00005044
CAS Number: 15905-32-5

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