| Identification | Back Directory | [Name]
disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoate | [CAS]
4372-02-5 | [Synonyms]
C.I.Acid Orange 11
D and C Orange No.6
C.I.Acid Orange 11:C.I.45370
4',5'-Dibromofluorescein disodium
Fluorescein, 4',5'-dibromo-, disodium salt
disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoate | [EINECS(EC#)]
224-468-2 | [Molecular Formula]
C20H8Br2Na2O5 | [MOL File]
4372-02-5.mol | [Molecular Weight]
534.062 |
| Hazard Information | Back Directory | [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.
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Standard( Silk )
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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Fading
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Stain
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Fading
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Stain
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ISO
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1
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2
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