Bromocresol green properties
Melting point is 225 ° C
Density 0.79 g/mL at 20 °C
Flash point 12 ° C
Store condition Store at RT.
Solubility Solubility Sparingly soluble in water. Soluble in ethanol, Mr, baton rouge acetate
Powder/Solid form
Acidity coefficient (pKa) 4.7(at 25℃)
Color Pale orange
Ph range of acid-base indicator color change 3.8(YELLOW)-5.4(BLUE)
The PH value is 3.8 ~ 5.4
Water solubility slightly soluble
Application and synthesis method of bromocresol green
Use cell stain
It is used as acid base indicator
Acid base indicator, pH color range: 3.8(yellow) ~ 5.4(blue green)
Acid base indicator. Sodium salt is often used in colorimetric determination of ph. PH 3.8 (yellow) ~ 5.4 (blue) pH indicator. Its sodium saline solution is used as a chromogenic reagent for the determination of pH value by spectrophotometry. It is used as a reagent for the determination of aliphatic hydroxyacids and alkaloids by thin layer chromatography and as an extraction separation agent for the spectrophotometric determination of quaternary ammonium cation.