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Hydroxy naphthol blue disodium salt

SIAL/219916 - ACS reagent

Synonym: disodium;3-hydroxy-4-[(2-hydroxy-4-sulfonatonaphthalen-1-yl)diazenyl]-7-sulfonaphthalene-2-sulfonate

CAS Number: 165660-27-5
Empirical Formula (Hill Notation): C20H12N2Na2O11S3
Molecular Weight: 598.49
MDL Number: MFCD00058506
Linear Formula: C20H12N2O11S3Na2
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-219916-5G 5 g
 $29.30
1/EA		 Add To Favorites
45-219916-100G 100 g
 $151.00
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: 219916-100G
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: 219916-5G

 

λmax 650 nm
application(s) diagnostic assay manufacturing
hematology
histology
density 2.130 g/cm3
form powder, crystals or granules
grade ACS reagent
InChI 1S/C20H14N2O11S3.2Na/c23-15-9-16(35(28,29)30)13-3-1-2-4-14(13)18(15)21-22-19-12-6-5-11(34(25,26)27)7-10(12)8-17(20(19)24)36(31,32)33;;/h1-9,23-24H,(H,25,26,27)(H,28,29,30)(H,31,32,33);;/q;2*+1/p-2
InChI key WPDDXLRAJOPBIR-UHFFFAOYSA-L
mp 274 °C
pH 7.9
Quality Level 200 
SMILES string Oc1cc(c2ccccc2c1N=Nc3c(O)c(cc4cc(ccc34)S(=O)(=O)O[Na])S(=O)(=O)O[Na])S(O)(=O)=O
solubility water: soluble
storage temp. room temp
suitability passes test for determination of calcium
General description: Hydroxy naphthol blue disodium salt is a chemical compound belonging to the class of azo dyes commonly used as a pH indicator.It exists as small blue crystals. Hydroxy naphthol blue is suitable for the quantification of metal leaching in metal affinity chromatography. It changes color at pH range 12-13 from blue to reddish pink, in the presence of calcium ions and to deep blue in the presence of disodium ethylenediaminetetraacetic acid (EDTA).
Packaging: 5, 100 g in glass bottle
mp 274 °C
Density 2.130 g/cm3
Storage Temp. room temp
UNSPSC 12171500

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