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CAS No.:115-39-9
MF:C19H10Br4O5S
EINECS No.:204-086-2
Place of Origin:Shandong, China
Other Names: Bromophenol BlueBromophenol Blue; BROMPHENOLBLUE,FREEACID,REAGENT(ACS)BROMPHENOLBLUE, FREEACID,REAGENT(ACS);4,4′-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2,6-dibromo-phenol]; Bromophenolblue(BPB),AR;
what is of Bromophenol Blue with cas 115-39-9?
Bromophenol blue, 3,3′,5,5′- tetrabromophenol sulfophthalein, a pH indicator, changes from yellow to blue in the pH range of pH3.0~4.6. Commonly used as electrophoresis indicator dye, the electrophoresis migration speed in gel is in the region of small molecule nucleic acid or protein. The decomposition temperature of bromophenol blue is 279℃, and the green sublimation is orange at 210℃.
Specification
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Product Name:
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Bromophenol Blue
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CAS:
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115-39-9
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MF:
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C19H10Br4O5S
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MW:
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669.96
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EINECS:
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204-086-2
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Melting point
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273 °C
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density
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0.954 g/mL at 20 °C
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Fp
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58 °C
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storage temp.
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Store at RT.
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Packing
25kgs/drum, 9tons/20’container
Usage
Bromophenol Blue is an electrophoresis tracking dye also used as an acid-base indicator
Colorless to reddish crystal or yellowish to light brown powder. Melting point 279℃ (decomposition). Soluble in alcohol, dilute lye and ammonia solution is blue, slightly soluble in water and ether solution with yellow, its sodium salt dissolved in water is blue
