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Thymol Blue CAS 76-61-9

THYMOLSULFONEPHTHALEIN;THYMOL BLUE TS;THYMOLSULFONPHTHALEIN;THYMOL BLUE ETHANOL (50);THYMOL BLUE INDICATOR SOLUTION;THYMOL BLUE;TB;S NO 879
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  • 71-61-9

  • bosschem

  • 71-61-9

Thymol Blue Basic information
Product Name: Thymol Blue
CAS: 76-61-9
MF: C27H30O5S
MW: 466.59
EINECS: 200-973-3
Mol File: 76-61-9.mol
Thymol Blue Chemical Properties
Melting point  221-224 °C (dec.) (lit.)
Boiling point  539.4°C (rough estimate)
density  1.1413 (rough estimate)
refractive index  1.5300 (estimate)
Fp  36 °C
storage temp.  room temp
solubility  0.11g/l
form  Solid
pka Pka1:1.65(at 25℃)(PH=1.2 to 2.8) Pka2:8.9(at 25℃)(PH=8.0 to 9.6)
color  Dark green to dark brown
Odor Characteristic odour
PH Range 1.2(red)-2.8(yellow) 8(yellow)-9.6(blue)
Water Solubility  Soluble in alcohol and dilute alkali solutions. Insoluble in water.
λmax 594nm, 376nm, 544nm, 430nm
Merck  149,400
BRN  368036
Stability: Stable. Combustible. Dust may form an explosive mixture with air. Incompatible with strong oxidizing agents.
CAS DataBase Reference 76-61-9(CAS DataBase Reference)
NIST Chemistry Reference Thymolsulfonephthalein(76-61-9)

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