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Melting point

221-224 °C (dec.) (lit.)

color

Dark green to dark brown

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)

solubility

0.11g/l

storage temp.

room temp

Merck

14,9400

Fp

36 °C

refractive index

1.5300

form

Solid

NIST Chemistry Reference

Thymolsulfonephthalein(76-61-9)

λ尘补虫

594nm, 376nm, 544nm, 430nm

Water Solubility

Soluble in alcohol and dilute alkali solutions. Insoluble in water.

Density

1.1413 

Stability

Stable. Combustible. Dust may form an explosive mixture with air. Incompatible with strong oxidizing agents.

Boiling point

539.4°颁

pka

Pka1

PH Range

1.2(red)-2.8(yellow) 8(yellow)-9.6(blue)

BRN

368036

CAS DataBase Reference

76-61-9(CAS DataBase Reference)

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

Odor

Characteristic odour