Specification
Product Name BROMOCRESOL GREEN
Synonyms 3',3",5',5"-Tetrabromo-m-cresolsulfonephthalein
CAS NO. 76-60-8
Molecular Formula C21H14Br4O5S
Formula Weight 698.04
Appearance Beige to yellow to brown powder
Structure
   
Tests    Limits
Transition pH range - 3.8-5.4
Yellowish Green- Blue
Soluability 0.1% (EtOH) - Clear Golden Yellow Solution

Absorptivity 1%/1cm, (pH 3.8) at λmax 443.0 nm
(pH 5.4) at λmax 616.0 nm

 

- 240-270
- 530-570
Loss On Drying (110°C) 1hr. - < 3%
   
   
REVISED: 1-1-2012  
 
 
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