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


45-114421-5G	5 g	$40.60 1/EA	Add To Favorites
45-114421-25G	25 g	$143.00 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

Properties
Descriptions
Safety Info.
Basic Data

ε (extinction coefficient)	≥35000 at 614-618 nm in 0.1 M NaOH at 0.005 g/L
λ_max	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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