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Bromothymol Blue sodium salt

SIAL/114421 - ACS reagent

Synonym: 3′,3′′-dibromothymolsulfonephthalein sodium salt

CAS Number: 34722-90-2
Empirical Formula (Hill Notation): C27H27Br2NaO5S
Molecular Weight: 646.36
EC Number: 252-169-7
MDL Number: MFCD00077263
Linear Formula: C27H27Br2NaO5S
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-114421-5G 5 g
 $42.10
1/EA		 Add To Favorites
45-114421-25G 25 g
 $148.00
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: 114421-25G
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: 114421-5G

 

ε (extinction coefficient) ≥35000 at 614-618 nm in 0.1 M NaOH at 0.005 g/L
λmax 392 nm
  615 nm
application(s) diagnostic assay manufacturing
hematology
histology
form crystalline powder
  powder or crystals
grade ACS reagent
InChI 1S/C27H28Br2O5S.Na/c1-13(2)18-11-20(15(5)24(28)26(18)30)23(17-9-7-8-10-22(17)35(32,33)34)21-12-19(14(3)4)27(31)25(29)16(21)6;/h7-14,30H,1-6H3,(H,32,33,34);/q;+1/p-1/b23-21+;
  InChI=1S/C27H28Br2O5S.Na/c1-13(2)18-11-20(15(5)24(28)26(18)30)23(17-9-7-8-10-22(17)35(32,33)34)21-12-19(14(3)4)27(31)25(29)16(21)6;/h7-14,30H,1-6H3,(H,32,33,34);/q;+1/p-1/b23-21+;
InChI key NMKFVGALBGZKGW-FKWCIMQXSA-M
Quality Level 200 
SMILES string CC1=C(C=C(C(=C1Br)O)C(C)C)C(=C2C=C(C(=O)C(=C2C)Br)C(C)C)C3=CC=CC=C3S(=O)(=O)[O-].[Na+]
  [Na+].CC(C)c1cc(c(C)c(Br)c1O)C(=C2C=C(C(C)C)C(=O)C(Br)=C2C)c3ccccc3S([O-])(=O)=O
solubility water: 0.1%, clear to very slightly hazy
technique(s) titration: suitable
visual transition interval 6.0-7.6, yellow to blue
Application: Bromothymol Blue has been used for freshwater pH measurements over a broad range of buffer intensities.
Biochem/physiol Actions: Bromothymol Blue is a pH-indicator. It is also used for carbonic anhydrase assay due to the conversion of carbon dioxide to bicarbonate.
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
UNSPSC 12171500

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