13473-26-2

Basic information

• Product Name: 2',4',5',7'-TETRABROMO-3,4,5,6-TETRACHLOROFLUORESCEIN
• Synonyms: 2',4',5',7'-TETRABROMO-3,4,5,6-TETRACHLOROFLUORESCEIN;TETRACHLOROTETRABROMOFLUORESCEIN;2’,4’,5’,7’-Tetrabromo-4,5,6,7-tetrachlorofluorescein;6’-dihydroxy--tetrachloro-3;C.I.Solventred48;spiro[isobenzofuran-1(3h),9’-[9h]xanthen]-3-one,2’,4’,5’,7’-tetrabromo-4,5,6,7;Tetrabromotetrachlorofluorescein;2',4',5',7'-tetrabromo-4,5,6,7-tetrachloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one
• CAS NO: 13473-26-2
• Molecular Formula: C₂₀H₄Br₄Cl₄O₅
• Molecular Weight: 785.67
• EINECS: 236-747-6
• Product Categories: Organics
• Mol File: 13473-26-2.mol
• Article Data: 0

Chemical Properties

• Boiling Point: 758.995 °C at 760 mmHg
• Flash Point: 412.826 °C
• Appearance: /
• Density: 2.605 g/cm³
• Vapor Pressure: 7.57E-24mmHg at 25°C
• PKA: 6.79±0.20(Predicted)
• Water Solubility: 0.022ng/L at 25℃
• CAS DataBase Reference: 2',4',5',7'-TETRABROMO-3,4,5,6-TETRACHLOROFLUORESCEIN(CAS DataBase Reference)
• NIST Chemistry Reference: 2',4',5',7'-TETRABROMO-3,4,5,6-TETRACHLOROFLUORESCEIN(13473-26-2)
• EPA Substance Registry System: 2',4',5',7'-TETRABROMO-3,4,5,6-TETRACHLOROFLUORESCEIN(13473-26-2)

Safety Data

• Safety Statements: 22-24/25
• Hazardous Substances Data: 13473-26-2(Hazardous Substances Data)

Usage

Description

2',4',5',7'-TETRABROMO-3,4,5,6-TETRACHLOROFLUORESCEIN is a brilliant blue light red compound that is soluble in water and ethanol, exhibiting weaker SAP green fluorescence and brick red fluorescence, respectively. It undergoes a color change in concentrated sulfuric acid, turning yellow and then forming a yellow red precipitate upon dilution. It has a stable melting point and is generally insoluble in water.

Uses

Used in Hydrocarbon Solvent Industry:
2',4',5',7'-TETRABROMO-3,4,5,6-TETRACHLOROFLUORESCEIN is used as a coloring agent for hydrocarbon solvents due to its brilliant blue light red color and solubility in water and ethanol.
Used in Oil Industry:
2',4',5',7'-TETRABROMO-3,4,5,6-TETRACHLOROFLUORESCEIN is used as a coloring agent for oil, providing a distinctive blue light red color and enhancing the visual appeal of the product.
Used in Lipid and Paraffin Wax Industry:
2',4',5',7'-TETRABROMO-3,4,5,6-TETRACHLOROFLUORESCEIN is used as a coloring agent for lipids and paraffin wax, offering a vibrant blue light red color and improving the appearance of these products.
Used in Petroleum Products and Varnish Industry:
2',4',5',7'-TETRABROMO-3,4,5,6-TETRACHLOROFLUORESCEIN is used as a coloring agent for petroleum products and varnishes, providing a unique blue light red color and enhancing the visual appeal of these products.
Used in Plastic Coloring Industry:
2',4',5',7'-TETRABROMO-3,4,5,6-TETRACHLOROFLUORESCEIN is used as a coloring agent for plastics, offering a brilliant blue light red color and improving the appearance of plastic products.
Standard:
The compound has good light fastness and heat resistance, making it suitable for various applications in different industries. It is generally insoluble in water and has a stable melting point, which contributes to its stability and performance in various applications.

Preparation

will Resorcinol and 4,5,6,7-Tetrachloroisobenzofuran-1,3-dione condensation,The resulting 4,5,6,7 – tetrachloro-fluorescein tetrabromide, then made into the free acid form.

Flammability and Explosibility

Notclassified

Standard

Light Fastness

Melting point

Stable

ISO

General

InChI:InChI=1/C20H4Br4Cl4O5.2Na/c21-5-1-3-17(9(23)15(5)29)32-18-4(2-6(22)16(30)10(18)24)20(3)8-7(19(31)33-20)11(25)13(27)14(28)12(8)26;;/h1-2,29-30H;;/q;2*+1/p-2

Synthetic route

3'.4'.5'.6'-tetrachloro-fluorescein → phloxine B (13473-26-2)

Conditions	Yield
With ethanol beim Bromieren;
With bromine; sodium carbonate Electrolysis;
With bromine; acetic acid at 20℃;

phloxine B (13473-26-2) → 3',6'-diacetoxy-2',4',5',7'-tetrabromo-4,5,6,7-tetrachloro-spiro[phthalan-1,9'-xanthen]-3-one (104541-44-8)

Conditions	Yield
With sodium acetate; acetic anhydride