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1-Naphtholphthalein

Alpha naphtholphthalein

Product Size 10gm/25gm/100gm Grade Analytical Reagent (AR)
Purity CAS No. 596-01-0
Molecular Formula C28H18O4 Molecular Weight 418.45
H.S. Code 32041900 Shelf Life 60 months
MSDS

Specifications

Appearance Light pink to beige to red-brown powder
pH range
pH 7.1 Brownish pink
pH 8.3 Blue
Absorption maxima (Buffer pH 7.1) 471-485nm
Absorption maxima (Buffer pH 8.3) 649-654nm
Loss on drying at 105°C Max. 5%

Safety Information and Hazard Symbols
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