o-CRESOLPHTHALEIN
o-CRESOLPHTHALEIN Indicator grade
Short Name: o-CRESOLPHTHALEIN
Basic Details
Article No.
LG1553
Grade
Indicator grade
Purity
CAS No.
596-27-0
HS Code
2934.9900
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
Light brown
Melting point/ Freezing point [°C]
219 - 221 °C
Chemical Specifications
Appearance
White to light yellow and faint beige to light beige and faint brown to light brown powder
pH 8.2-9.8
Colourless to violet red
Absorption maxima in 0.1 N NaOH
565 - 569 nm
Specific absorptivity A1%/1cm (at λmax)
Min 1500
Insoluble matter in ethanol
Passes test
Loss on drying (at 135°C)
Max 0.5%
Sulphated ash
Max 0.5%
Safety Information & Hazard Symbols