CAS 6359-05-3

Ethyl eosin

Description:

Ethyl eosin, with the CAS number 6359-05-3, is a synthetic dye belonging to the eosin family, which are halogenated xanthene dyes. It is characterized by its vibrant red to pink color, making it useful in various applications, including histology and as a biological stain. Ethyl eosin is soluble in organic solvents such as ethanol and acetone, but it has limited solubility in water, which is typical for many dyes in this class. The compound exhibits fluorescence properties, allowing it to be used in fluorescence microscopy. Its chemical structure includes an ethyl group, which contributes to its solubility and stability. Ethyl eosin is often utilized in laboratory settings for staining tissues and cells, aiding in the visualization of cellular components under a microscope. Additionally, it may have applications in the field of photodynamic therapy due to its light-absorbing properties. However, safety precautions should be observed when handling this compound, as with many synthetic dyes, due to potential toxicity and environmental concerns.

Formula: C₂₂H₁₂Br₄O₅·K

InChI: InChI=1S/C22H12Br4O5.K/c1-2-30-22(29)10-6-4-3-5-9(10)15-11-7-13(23)18(27)16(25)20(11)31-21-12(15)8-14(24)19(28)17(21)26;/h3-8,27H,2H2,1H3;

InChI key: InChIKey=VEEWAJCMWVZDCM-UHFFFAOYSA-N

SMILES: C(OCC)(=O)C1=C(C=2C=3C(OC=4C2C=C(Br)C(=O)C4Br)=C(Br)C(O)=C(Br)C3)C=CC=C1.[K]

Synonyms:

• Benzoic acid, 2-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)-, ethyl ester, potassium salt
• Benzoic acid, 2-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)-, ethyl ester, potassium salt (1:1)
• Eosin alcohol soluble
• Ethyl eosin
• Ethyl eosine Y
• Fluorescein, 2′,4′,5′,7′-tetrabromo-, ethyl ester, potassium deriv.
• Fluorescein, 2′,4′,5′,7′-tetrabromo-, ethyl ester, potassium salt
• NSC 8670
• Solvent Red 45
• Spirit Eosine
• Spirit Primrose DH

Ethyl Eosin

CAS: 6359-05-3

Ethyl Eosin

Formula: C₂₂H₁₂Br₄KO₅

Purity: ≥95%

Molecular weight: 715.04

Ref: 54-OR1137788

Ethyl eosin

CAS: 6359-05-3

Formula: C₂₂H₁₁Br₄KO₅

Color and Shape: Red to dark brown powder or crystals

Molecular weight: 714.03

Ref: 7W-GT8354

Ethyl eosin

CAS: 6359-05-3

Ethyl eosin, a fluorescent dye, exhibits an absorption peak at 527 nm and an absorption shoulder at 487 nm [1].

Formula: C₂₂H₁₁Br₄KO₅

Molecular weight: 714.03

Ref: TM-T86389

Ethyl eosin

CAS: 6359-05-3

Formula: C₂₂H₁₂Br₄KO₅

Purity: 95%

Molecular weight: 715.0420

Ref: IN-DA00E9NB