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Structure of 67193-95-7
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Phenol red (phenolsulfonphthalein, PH R) belongs to the class of triphenylmethane dyes. It is a watersoluble anionic dye, mostly used as a pH indicator in cell biology laboratories. Also, in different protocols, it is used to detect H2O2(Hydrogen peroxide).Phenol red can be used as a:Dye in the preparation of phenol red/n-Si photodiode [phenol red/n-type silicon wafer] by spin coating technique. The device is appropriate for photo-detection applications.Color-changing dye in the design of fiber optic pH sensor because as the acidity increases, the dyes absorption properties shift from the green to the blue section of the spectrum.Indicator in the determination of freshwater pH.
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GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H315-H319-H335
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Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P305+P351+P338-P362-P403+P233-P405-P501
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Lot numbers can be found on the outside label of a product: