Thymol blue ( Cas No.76 61 9 )

Items

Technical index 

Product name

Thymol blue 

Synonym

Thymolsulfonephthalein

Appearance

Brown to green powder or crystals

PH indicator range

1.2(red)---2.8(yellow) 8.0(yellow)---9.6(blue)

Residue on ignition (as Sulfate)

0.3% max

Mass-absorption coefficient(L/cm g)

71.0  min