Phenolphthalein Powder (100g)$49.85 Phenolphthalein Powder (100g) quantity Add to cart SKU: P-109-100G Category: Laboratory Testing Solutions & Chemicals Tag: P Description Description 100g bottle of Lab Grade Phenolphthalein Powder. Related products Ammonium Persulfate, Reagent Grade $29.34 – $67.02 Barium Chloride, *% w/v Solution $27.93 – $67.14 Boric Acid, Reagent Grade (100g) $26.63 Ammonium Chloride, Reagent Grade $16.38 – $41.01