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Structure of 4102-54-9
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N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid, known as BES, is a zwitterionic buffer and a valuable secondary standard in biochemical research. BES, a sulfonic acid-containing cross-linking agent, induces cross-linking between sulfonated polyimide chains in sulfonated polyimide membranes. The useful pH range for BES buffer is 6.4 to 7.8. It is one of the "Good" buffers developed in the 1960s to provide buffering capacity in the pH range of 6.15 to 8.35, making it widely applicable in biochemical studies. BES buffer is suitable for use in systems where the formation of a calcium phosphate-DNA complex is desirable (Absorbance: < 0.05 at 260 nm, 100 mM). Further, BES buffer can be employed in the study of molecular biology, biological buffers, molecular biology reagents, and zwitterionic compounds.BES may be employed as binding buffer in modified Eagles medium during the binding assay of human melanoma cells. It may be used as biobuffer to investigate the aqueous medium self-assembly of heterometallic CuII/Li 3D coordination polymers.
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GHS Pictogram :
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GHS No : GHS06
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Signal Word : Danger
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UN#: 2811
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Class : 6.1
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Packing Group : Ⅲ
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Hazard Statements : H302-H311-H315-H319-H332
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P361+P364-P362+P364-P405-P501
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Lot numbers can be found on the outside label of a product: