Melting point 258-263 ºC
Water solubility <0.1 g/100 mL
Product Name Phenolphthalein
Synonyms 2-[Bis(4-hydroxyphenyl)methyl]benzoic acid; 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone; 3,3-Bis(4-hydroxyphenyl)phthalide
Molecular Formula C20H14O4
Molecular Weight 318.33
CAS Number 77-09-8
Appearance white powder
Density 1.299 g/cm3
Solubility <0.1 g/100ml
Stability stable under ordinary conditions
Appearance of Solution
The Solution Is Clear And Not More Intensely Coloured Than Reference Solution Y7
It melts at about 260℃
Acidity or Alkalinity
Loss on Drying
Phenolphthalein is one of the most widely used indicators. It is also used as pharmaceutical raw material.
Packing and Storage
Packing In 25kgs cardboard drum.
Storage Keep container tightly closed in a dry and well-ventilated place.
Non-hazardous for air, sea and road freight.