NILE CHEMICALS

BROMOPHENOL RED

SPECIFICATION SHEET

PRODUCT      BROMOPHENOL RED
CAS NO       2800-80-8
TESTS RESULTS
Appearance Red Powder
Solubility 0.1%(0.1N EtOH) Clear Yellow  Solution
Transition Range  
pH  4.7- pH 6.3 Yellow  -   Purple
Absorptivity 1% 1cm, at   
( pH 4.7) l max.439.0 nm 359
( pH 6.3) l max.579.0 nm 692 
Loss on drying at 110OC(1hr) 3.40%

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