Thymol blue, pure indicator
Supplier: Thermo Scientific
Synonyms:
Thymolsulphonphthalein, 3,3-Bis(4-hydroxy-5-isopropyl-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide
151450250
151450050
151451000
ACRO151450250EA
192
GBP
ACRO151450250
ACRO151450050
ACRO151451000
Thymol blue, pure indicator
Thymol blue
Formula:
C₂₇H₃₀O₅S MW: 466,6 g/mol Melting Pt: 221 °C (dec.) Storage Temperature: Ambient |
MDL Number:
MFCD00005869 CAS Number: 76-61-9 EINECS: 200-973-3 Merck Index: 12,09541 |
Specification Test Results
Appearance | Dark green to dark brown Crystalline powder |
Infrared spectrum | Conforms |
Solubility | (0.1 % in ethanol) Clear |
Specific extinction E (1%/1cm) | ≥700 (596 nm, in 0.01 N NaOH) |
Visual transition interval | from pH 8.0 (yellow) to pH 9.6 (blue) |
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