BROMOTHYMOL BLUE SODIUM SALT ACS GRADE
Also known as
BROMOTHYMOL BLUE SODIUM SALT (ACS GRADE)
Note
Appreance :- Yellowish orange powder
pH transition (6.0 - 7.6 ) :- Yellow to Blue
|
C.A.S. No. |
34722-90-2 |
|
M.F. |
C27H28Br2O5S |
|
M.W. |
646.38gm/mole |
Specifications:
|
Dye Content (by Spectrophotometry) |
>90% |
|
Transition Range |
pH 5.8-7.6 |
|
|
Yellow-Blue |
|
Solubility 0.1% (Dist. Water) |
Almost Clear solution |
|
Absorption maximum (pH 5.8) ?1max |
430-435nm |
|
Absorption maximum (pH 7.6) ?2max |
615-618nm |
|
Absorptivity (A1%/1cm at pH 5.8 at ?1max) |
250-280 |
|
Absorptivity (A1%/1cm at pH 7.6 at ?2max) |
400-500 |
|
Loss On Drying (110°C) |
<5% |
|
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