Product name: Thymol Blue
No.:A030
CAS No.: 76-61-9
M F: C27H30O5S
Property: Brownish green crystalline powder, insoluble in water, soluble in ethyl alcohol.
Molecular weight: 466.6
Use: Acid-base indicator.
Technical index |
Item: | Result |
PH color change range | 1.2(red)-2.8(yellow)
8.0(yellow)-9.6(blue) |
Soluble test in ethyl alcohol | Qualified |
Ignition residue% | ≤0.3 |
Mass-absorption coefficient (L/cm.g) | ≥71.0 |