English Name: Bromothymol blue
Molecular Formula: C27H28Br2O5SRelative Molecular Mass: 624.39
CAS NO.: 76-59-5
Supplied/Manufactured by: Shenyang Simchoice chemical Co.Ltd
Appearance: Pale pinkish purple red crystalline powder, solve in alcohol, insolve in water.
Package: In fiber drums, each containing 25Kgs.
Batch no.:SIM-200715
Quality Standard
(HG/T 4012-2008)
Requirements: | Specifications: | Results: |
PH Changerange | 6.0(yellow)-7.6(blue) | 1.2(red)-2.8(yellow) 8.0(yellow)-7.6(blue) |
Solubility in alcohol | Passes test | Passes test |
Sulfated ash, percent | max 0.3% | 0.2% |
Absorptivity (L/cm.g) | min 52.0% | 53.1% |
applications that require measuring substances that would have a relatively neutral pH (near 7). A common use is
for measuring the presence of carbonic acid in a liquid. It is typically sold in solid form as the sodium salt of the acid indicator.



