disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoate
disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoate Basic information
- Product Name:
- disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoate
- Synonyms:
-
- disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoate
- 4',5'-Dibromofluorescein disodium
- C.I.Acid Orange 11
- D and C Orange No.6
- Fluorescein, 4',5'-dibromo-, disodium salt
- C.I.Acid Orange 11:C.I.45370
- DIBROMO FLUORESCEIN DISODIUM SALT
- Acid Orange 11(CI 45370:1)
- CAS:
- 4372-02-5
- MF:
- C20H8Br2Na2O5
- MW:
- 534.06206
- EINECS:
- 224-468-2
- Mol File:
- 4372-02-5.mol
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disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoate Chemical Properties
- Melting point:
- 280-290 °C (decomp)
- LogP
- 4.883 (est)
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disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoate Usage And Synthesis
Preparation
fluorescent element (C.I.Acid Yellow 73, C.I. 45350) in sodium hydroxide solution 2 brominated, and then, with sodium salting out.
Properties and Applications
red light orange. Soluble in water for orange, with weak fluorescence, soluble in ethanol for orange, with greenish fluorescence, soluble in acetone for pink, with yellow fluorescence, soluble in chaff and four hydrogen furfuryl alcohol. The strong sulfuric acid for titian, diluted into yellow brown, and orange precipitation. In aqueous solution for countries to join sodium hydroxide red. In glycerin and liquid paraffin in good dispersion.
Standard( Silk ) | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 1 | 2 |
disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoateSupplier
Guangzhou Isun Pharmaceutical Co., Ltd
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- 020-39119399 18927568969
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Guangzhou Tomums Life Science Co., Ltd.
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- 020-31155029 18902330969
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ShangHai Anpel Co, Ltd.
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- 18501792038; 18501792038
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Guangzhou City Haizhu District Zhenghong Co.Ltd.
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- 020-82550624 13016020539
- 2336504938@qq.com
Cato Research Chemicals Inc.
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- 020-81960175-877 18933936954
- tianwen.zhan@cato-chem.com