High Quality Best Price Dyestuff Phenolphthalein CAS 77-09-8

• CAS No.: 77-09-8
• Formula: C20h14o4
• EINECS: 201-004-7
• Type: Synthesis Material Intermediates
• Appearance: Powder
• Quality: Industrial
• Model NO.: 77-09-8
• Colour: White
• Sample: Available
• MOQ: 25kg
• Storage: Cool Dry Place
• Self-Life: 2 Years
• Transport Package: Drum
• Specification: Powder
• Trademark: Labeyond
• Origin: China

Product Description

Phenolphthalein, an organic compound with the chemical formula C20H14O4, is a weak acid which can be used as an indicator for acid-base titrations. In acidic solutions, the compound is colourless. It is pinkish in simple solutions (with the transition occurring around pH 9).