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Medchemexpress LLC Alpha-naphtholphthalein | 596-01-0 | 99.7% | 418.44 | C28H18O4 | 1 G
Supplier: Medchemexpress LLC HYW0879131G
Alpha-naphtholphthalein is a pH indicator dye used in acid-base titrations and pH sensing. It is an off-white to light yellow solid with molecular formula C28H18O4 and molecular weight 418.44 g/mol. Typical applications include analytical chemistry and laboratory pH measurements.
- pH indicator that changes from light yellow at pH 6 to green/blue at higher pH.
- High purity (99.71%).
- Solid, off-white to light yellow appearance.
- Available as 1 g laboratory reagent.
- Storage: keep sealed at 4°C; in solvent store at -80°C for up to 6 months or -20°C for up to 1 month.
- Suitable for titration and pH sensing applications.
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