THYMOL BLUE INDICATOR
THYMOL BLUE INDICATOR AR
Short Name: THYMOL BLUE INDICATOR
Synonym: Thymolsulfonphthalein
Basic Details
Article No.
LG4555
Grade
AR
Purity
CAS No.
76-61-9
HS Code
2934.9900
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
Brownish green powder
Odour
Characteristic odour
Melting point/ Freezing point [°C]
221 - 224 °C
Density [g/cm3]
0.979
Solubility in water [% weight]
Soluble in water
Chemical Specifications
Appearance
Brownish green powder
Acidic range pH 1.2-2.8
Red to yellow
Alkaline range pH 8.0-9.6
Yellow to blue
Loss on drying
Max 10%
Dye content (by spectrophotometry)
Min. 95.0%
Safety Information & Hazard Symbols