o-Cresolphthalein
Synonyms
3,3-Bis(4-hydroxy-3-methylphenyl)-1(3H)-isobenzofuranone
Molecular Formula
C22H18O4
Molecular Weight
346.38
CAS No.
596-27-0
EINECS
209-881-8
Technical data
Appearance
White or yellowish crystalline powder
Melting point
223-225 ºC
Water solubility
slightly soluble
Purity
95%
PH
8.2(colorless)-9.8 (red)
Solubility
Soluble in ethanol, ether, glacial acetic acid;
Show purple in dilute alkali-solution;
Slight dissolve in water;
Insoluble in benzol
Application
Indicator
Delivery time:
In 5-10 days
Shipping methods:
By courier, by air or by sea
Packaging:
1kg/foil bag or 25kg/fiber drum