Specification
Product Name BROMOPHENOL RED
Synonyms 5’,5”-Dibromophenol sulfonphtalein
CAS NO. 2800-80-8
Molecular Formula C19H12Br2O5S
Formula Weight 512.190
Appearance Red-brown to brown powder
Structure
   
Tests    Limits
Transition Range - pH 5.2 – pH 6.8
Greenish Yellow – Purple
Solubility 0.1% (20% EtOH) Clear golden yellow Solution
Absorptivity 1%, 1cm
(pH 4.7) at λmax.439.0 nm
(pH 6.3) at λmax.579.0 nm


- (340-370)

- (585-720)

4. Loss on Drying at 1100C (1hr) - <5%
   
   
REVISED: 1-1-2012  
 
 
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