NILE  CHEMICALS

PHENOL RED SODIUM SALT
 
SPECIFICATION SHEET

PRODUCTS

  CAS No. 34487-61-1
Chemical Formula C19H13NaO5S
Molecular Weight 376.36
Melting Point 285° c
Dye Content ~90%
Solution Clarity (Water) To pass
Transition Range pH 6.5 - pH 8.0
Yellow to Red violet
Absorptivity (pH 1.2) 503 - 506 nm 880 - 950
Absorptivity (pH 3.0) 430 - 435 nm 560-620
Absorptivity (pH 6.5) 430 - 435 nm 560 - 620
Absorptivity (pH 8.0) 557 - 560 nm 970 - 1100
Loss On Drying (110° c) < 5%

MSDS

 

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