Bromothymol Blue CAS: 76-59-5
MF: C27H28Br2O5S
MW: 624.38
A pH indicator for weak acids and bases.

Bromothymol Blue (CAS 76-59-5)

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Alternate Names: BTB
Application: Bromothymol Blue is a pH indicator for weak acids and bases
CAS Number: 76-59-5
Molecular Weight: 624.38
Molecular Formula: C27H28Br2O5S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data (including water content).
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Bromothymol Blue is a pH indicator for weak acids and bases. The chemical is also used for observing photosynthetic activities or respiratory indicators and possibly utilized as a biological slide stain for detecting nuclei or cell walls. Approximate pH range for color change is 6.0-7.6 with the color shifting from yellow to blue.

Appearance :
Powder
Physical State :
Solid
Solubility :
Soluble in water (Sparingly soluble), ethanol, ether, and aqueous solutions of alkalis.
Storage :
Store at -20° C
Melting Point :
200-202° C (lit.)
Refractive Index :
n20D 1.63 (Predicted)
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
WGK Germany :
3
RTECS :
SJ7450000
PubChem CID :
6450
Merck Index :
14: 1445
MDL Number :
MFCD00005872
EC Number :
200-971-2
Beilstein Registry :
373934
SMILES :
CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)C(C)C)C(C)C)O)Br

Download SDS (MSDS)

Certificate of Analysis

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