Advanced Search



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
 $30.40
1/EA		 Add To Favorites
45-219916-100G 100 g
 $156.00
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
technique(s) titration: suitable
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

The following items have been added to your cart:

Choose a favorite list for this item:
Catalog Number Description Price
$

Returns/Order support

Please fill out the form below if you want to request order support from Krackeler Scientific.


Quick Order

* Required


New Tariffs & Effects on Pricing

Tariff note: As we navigate the current environment of tariff surcharges and mid-year manufacturer price increases, we want to keep you informed. While we have avoided making specific decisions thus far, we anticipate that we will be forced to implement a cost adjustment policy to offset the fees we have already been absorbing. We are committed to transparency and moderation in this process.

800-334-7725
office@krackeler.com


Play Video

To Request a Quote

  1. Search or Browse for items and add to them to your Shopping Cart.
  2. Click the "Request Quote" button at the bottom of the Shopping Cart page.
  3. Fill out required fields.
  4. Optionally you can convert to standard checkout mode by choosing a payment type.
  5. Click "Request Quote" at the bottom of the page.

You will be contacted with a quote.

To Order From a Quote

  1. Register and login to the website.
  2. Receive a quote from your sales representative or customer service.
  3. Have your copy of the quote in hand.
  4. Visit our quote module to search for your quote.
Back to Top