Eosin B

Name: Eosin B

CAS Registry Number: 548-24-3

CA Index Name: Spiro[isobenzofuran-1(3H),9'-[9H] xanthen]-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro-, sodium salt (1:2)

Other Names: Fluorescein, 4',5'-dibromo-2',7'-dinitro-, disodium salt; Spiro[isobenzofuran-1(3H),9'-[9H]xan-then]-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro-, disodium salt; C.I. 45400; C.I. Acid Red 91; Dibromodi-nitrofluorescein sodium; Eosin B; Eosin BA; Eosine B; Eosine BA; Eosine BN; Eosine BNX; Eosine I Bluish; Saffrosine; Simacid Nitro Eosin 24669

Merck Index Number: 3602

Chemical / Dye Class: Xanthene

Molecular Formula: C₂₀H₆Br₂N₂Na₂O₉

Molecular Weight: 624.06

Physical Form: Red-brown to green crystals or powder

Solubility: Freely soluble in water; soluble in ethanol

Melting Point: 295 °C

Absorption (λ_max): 514 nm, 395 nm

Emission (λ_max): 544 nm

Synthesis: Synthetic method

Staining Applications: Brain; cells; microorganisms; nucleic acids; peptides; proteins; enzyme substrates; hairs

Biological Applications: Antimalarial agent; protein assay; detecting enzyme activity; treating cancer, malaria, diabetes, a variety of conditions affecting skin, mouth, digestive tract, urinary tract, reproductive tract, respiratory tract, circulatory system, head, neck, endocrine system, lymphoreticular system; dental materials

Industrial Applications: Color filters; liquid crystal displays; inks; NLO materials; photographic materials; laundry detergent; textiles

Safety / Toxicity: No data available

Certification / Approval: Certified by Biological Stain Commission (BSC)

Книги Список книг

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