Bromothymol blue, pH indicator (ab146293)
Key features and details
- pH indicator.
- CAS Number: 76-59-5
- Form / State: Solid
- Source: Synthetic
Overview
-
Product name
Bromothymol blue, pH indicator -
Description
pH indicator. -
Alternative names
- BTB
- Dibromothymolsulfophthalein
-
Biological description
pH indicator for weak acids and bases (pH range from 6.0 (yellow) to 7.6 (blue)). Also used as a stain to define cell walls or nuclei under the microscope.
-
CAS Number
76-59-5 -
Chemical structure
Properties
-
Chemical name
4,4'-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)phenol] -
Molecular weight
624.38 -
Molecular formula
C27H28Br2O5S -
Storage instructions
Store at Room Temperature. Store under desiccating conditions. The product can be stored for up to 12 months. -
Handling
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.
-
Source
Synthetic
