2',4',5',7'-Tetrabrom-4,5,6,7-tetrachlor-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-on Chemische Eigenschaften,Einsatz,Produktion Methoden
S-S?tze Betriebsanweisung:
S22:Staub nicht einatmen.
S24/25:Berührung mit den Augen und der Haut vermeiden.
synthetische
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.
Properties and Applications
brilliant blue light red. Soluble in water for blue light red, with weaker SAP green fluorescence, soluble in ethanol for blue light red, with a brick red fluorescence. In concentrated sulfuric acid to yellow, dilution after yellow red precipitation. Mainly used for hydrocarbon solvent, oil, lipid, paraffin wax, petroleum products, varnish, plastic coloring.
Standard
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Light Fastness
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Heat-resistant(℃)
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water
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Sodium Carbonate(5%)
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Hydrochloric acid(5%)
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Melting point
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Stable
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ISO
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General
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Insoluble
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General
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2',4',5',7'-Tetrabrom-4,5,6,7-tetrachlor-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-on Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte