P - Naphtholbenzein Cas No: 145-50-0

Product: p-Naphtholbenzein
C.A.S. No.: 145-50-6
M.F.: C27H18O2
M.W.: 374.44 gm/mole

Specifications:
Solubility 0.1% ( in acetic perchloric acid): Almost clear solution
Absorption maximum (in acetic perchloric acid)?max: 622-626 nm
Absorptivity 1%/1cm in acetic perchloric acid)(on dried substance)Absorptivity 1%/1cm in acetic perchloric acid)(on dried substance): >640
Loss on drying (110oC): <7%

Product Description:
a-Naphtholbenzein has been used as indicator during sequential injection analysis technique done for acid-base titrations. General description. a-Naphtholbenzein is a dye generally used during acid-base titration method.