CAS 56360-46-4

4′,5′-Dibromo-2′,7′-dinitrofluorescein

Description:

4′,5′-Dibromo-2′,7′-dinitrofluorescein, with CAS number 56360-46-4, is a synthetic organic compound belonging to the fluorescein family, characterized by its vibrant fluorescent properties. This compound features two bromine atoms and two nitro groups attached to the fluorescein backbone, which significantly influence its chemical behavior and optical characteristics. The presence of the nitro groups typically enhances the compound's electron-withdrawing capacity, affecting its reactivity and solubility in various solvents. As a fluorescent dye, it is commonly used in biological and chemical applications, including microscopy and as a tracer in various analytical techniques. The compound exhibits strong absorption and emission in the visible spectrum, making it useful for visualizing biological processes. Additionally, its stability under various conditions and the ability to conjugate with other molecules make it a valuable tool in research and diagnostic applications. However, safety precautions should be taken when handling this compound, as it may pose environmental and health risks.

Formula: C₂₀H₈Br₂N₂O₉

InChI: InChI=1S/C20H8Br2N2O9/c21-13-15(25)11(23(28)29)5-9-17(13)32-18-10(6-12(24(30)31)16(26)14(18)22)20(9)8-4-2-1-3-7(8)19(27)33-20/h1-6,25-26H

InChI key: InChIKey=ZBQZBWKNGDEDOA-UHFFFAOYSA-N

SMILES: O=C1OC2(C=3C(OC=4C2=CC(N(=O)=O)=C(O)C4Br)=C(Br)C(O)=C(N(=O)=O)C3)C=5C1=CC=CC5

Synonyms:

• 4′,5′-Dibromo-2′,7′-dinitrofluorescein
• NSC 56650
• 4′,5′-Dibromo-3′,6′-dihydroxy-2′,7′-dinitrospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one
• Eosine B (alcohol soluble)
• Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4′,5′-dibromo-3′,6′-dihydroxy-2′,7′-dinitro-

Eosin B

CAS: 56360-46-4

Formula: C₂₀H₈Br₂N₂O₉

Purity: %

Molecular weight: 580.0935

Ref: IN-DA003PXJ

Eosin B

CAS: 56360-46-4

Formula: C₂₀H₈Br₂N₂O₉

Purity: (UV) ≥ 95.0%

Color and Shape: Yellow to orange powder

Molecular weight: 580.09

Ref: 7W-GT8630

Eosin B Spirit Soluble

CAS: 56360-46-4

Eosin B is a chemical compound that is used as a dye in histology. It has been used in the past as an anti-fungal agent and can be activated by light, which makes it useful for photodynamic therapy treatments. Eosin B is also used in devices such as lasers and phototherapy lamps to activate tissue repair or destroy tissue.

Formula: C₂₀H₈Br₂N₂O₉

Purity: Min. 95%

Color and Shape: Powder

Molecular weight: 580.09 g/mol

Ref: 3D-FE52709