Acid Orange 11, with the CAS number 4372-02-5, is a synthetic azo dye commonly used in various applications, including textiles, food, and cosmetics. It is characterized by its vibrant orange color, which results from the presence of azo functional groups (-N=N-). This compound is water-soluble, allowing it to be easily incorporated into aqueous solutions for dyeing processes. Acid Orange 11 exhibits good lightfastness and stability under acidic conditions, making it suitable for use in acidic dyeing processes. However, like many azo dyes, it may raise environmental and health concerns due to potential degradation products that can be toxic or carcinogenic. Therefore, its use is often regulated, and safety measures should be taken when handling the substance. In terms of chemical structure, Acid Orange 11 typically contains sulfonic acid groups, which enhance its solubility and affinity for various substrates. Overall, while Acid Orange 11 is valued for its coloring properties, awareness of its safety and environmental impact is essential in its application.

Acid Orange 11

4372-02-5: 4′,5′-Dibromofluorescein, Acid Orange 11, Bromo Acid Yellowish, D and C Orange No. 6, D+C Orange No. 6, Dibromofluorescein, Eosine 2J, Eosine S 10, Fluorescein, 4',5'-dibromo-, disodium salt (8CI), Fluorescein, 4′,5′-dibromo-, disodium salt, Fluorescein, 4′,5′-dibromo-, sodium deriv., sodium salt, Simacid Eosine YYS, Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4′,5′-dibromo-3′,6′-dihydroxy-, disodium salt, Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4′,5′-dibromo-3′,6′-dihydroxy-, sodium salt (1:2), disodium 4',5'-dibromo-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate,  C.I. Acid Orange 11, C.I. 45370

Dibromofluorescein disodium salt (DBFDS) is a chemotherapeutic agent that is used in the treatment of eosinophil peroxidase-mediated diseases. This drug is also used as an optical sensor to measure the concentration of fatty acids in urine samples. The reaction mechanism of DBFDS involves the oxidation of the compound by hydrogen peroxide and a lipid substrate, which generates two reactive intermediates. The first intermediate reacts with oxygen to form a reactive radical species that reacts with another molecule of hydrogen peroxide to form an unstable compound, which then decomposes into bromine and fluorescein. The second intermediate reacts with magnesium salt to produce magnesium bromide and fluorescein. The intensity of fluorescence increases when the concentration of fatty acids increases. DBFDS has been shown to induce acute toxicities such as nausea, vomiting, headache, and diarrhea in humans, but this drug has not been shown to have carcin

CAS 4372-02-5: Acid Orange 11

Dibromofluorescein disodium salt

Ref: 3D-FD44552