Appearance:Dark green to dark brown solid
Throughput:100|Kilogram|Month
pd_productuse:reagent
Delivery Time:large stock
Purity:99% purity
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. Store at RT.
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 14,9400
BRN 368036
Stability: Stable. Combustible. Dust may form an explosive mixture with air. Incompatible with strong oxidizing agents.
Major Application Display device, semiconductors, sensors, fuel cells, antimisting coating for glass, toys, corrosion inhibitor, multi-level alert system, correction fluid, textiles, falsification-proof security paper, packaging system, measurement of hydrogen ion concentrationin swimming pool water, humidity-indicating agent, diapers, cosmetics, biostatic materials, determine bacteria growth, psychoactive drugs, antidepressant drugs, dental impression material
CAS DataBase Reference 76-61-9(CAS DataBase Reference)
NIST Chemistry Reference Thymolsulfonephthalein(76-61-9)
EPA Substance Registry System Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)- (76-61-9)
Safety Information
Risk Statements 10
Safety Statements 24/25
RIDADR UN 1170 3/PG 3
WGK Germany 3
RTECS XP2575000
TSCA Yes
HS Code 2934 99 90
PackingGroup II
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