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Thymol Blue

SIAL/114545 - ACS reagent

Synonym: Thymolsulfonphthalein

CAS Number: 76-61-9
Empirical Formula (Hill Notation): C27H30O5S
Molecular Weight: 466.59
EC Number: 200-973-3
MDL Number: MFCD00005869
Linear Formula: C27H30O5S
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-114545-5G 5 g
 $51.20
1/EA		 Add To Favorites
45-114545-25G 25 g
 $155.00
1/EA		 Add To Favorites
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 114545-25G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 114545-5G

 

ε (extinction coefficient) ≥12000 at 298-302 nm in 0.1 M NaOH at 0.01 g/L
λmax 376 nm (2nd)
  594 nm
application(s) diagnostic assay manufacturing
hematology
histology
clarity of soln passes test
density 0.979 g/cm3
form powder
grade ACS reagent
InChI 1S/C27H30O5S/c1-15(2)19-13-22(17(5)11-24(19)28)27(21-9-7-8-10-26(21)33(30,31)32-27)23-14-20(16(3)4)25(29)12-18(23)6/h7-16,28-29H,1-6H3
InChI key PRZSXZWFJHEZBJ-UHFFFAOYSA-N
mp 221-224 °C (dec.) (lit.)
Quality Level 200 
SMILES string CC(C)c1cc(c(C)cc1O)C2(OS(=O)(=O)c3ccccc23)c4cc(C(C)C)c(O)cc4C
solubility ethanol: 0.1%, clear
storage temp. room temp
technique(s) titration: suitable
visual transition interval 1.2-2.8, red to yellow
  1.2-2.8, red to yellow(acid range)
  8.0-9.2, yellow to blue
  8.0-9.2, yellow to blue(alkaline range)
Application: Thymol Blue has been used for the in situ spectrophotometric pH measurement.
Biochem/physiol Actions: Thymol Blue is a pH indicator, which is yellow/orange at low pH and blue in color at high pH.
General description: Thymol Blue is a sulfonephthalein dye. It is also known as thymolsulfonphthalein.
Packaging: 5, 25 g in glass bottle
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
mp 221-224 °C (dec.) (lit.)
Density 0.979 g/cm3
Storage Temp. room temp
UNSPSC 12171500

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