Description
in methanol
Synonym: Tetrabromocresolsulfonphthalein
General description
Mixed indicator solutions of bromocresol green (pk 4.9) and methyl red (pk 5) give a red color in acidic conditions and green color in basic conditions with a sharp transition through grey color at pH 5.1 as the two colors are complementary.
Application
Suitable for titration of morpholine
PROPERTIES
form
liquid
Pack Size
500mL
composition
Bromocresol Green, 0.1%
Methyl Red, 0.02%
concentration
in methanol
density
0.839 g/mL at 25 °C
λmax
434 nm
ε (extinction coefficient)
≥10000 at 282-288 nm in methanol
≥20000 at 509-519 nm in methanol
≥7000 at 329-335 nm in methanol
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
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