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ChemicalBook > Product Catalogue >Chemical Reagents >Organic reagents >The polycyclic compound >HYDROXY NAPHTHOL BLUE

HYDROXY NAPHTHOL BLUE

HYDROXY NAPHTHOL BLUE Structure
  • ₹2922.75 - ₹13693.63
  • Product name: HYDROXY NAPHTHOL BLUE
  • CAS: 165660-27-5
  • MF: C20H15N2NaO11S3
  • MW: 578.51
  • EINECS:
  • MDL Number:MFCD00004075
  • Synonyms:Hydroxy naphthol blue disodiuM;2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(2-hydroxy-4-sulfo-1-naphthalenyl)diazenyl]-, sodium salt(1:2);Hydroxy Naphthol Blue, In NaCl;Hydroxy naphthol blue disodium salt, For ACS analysis;2,2'-DIHYDROXY-1,1'-AZONAPHTHALENE-3',4,6'-TRISULFONIC ACID DISODIUM SALT;HYDROXY NAPHTHOL BLUE;HYDROXY NAPHTHOL BLUE DISODIUM SALT;HYDROXY NAPHTHOL BLUE REAGENT (ACS)
Price2 Properties Safety Information Description
2 prices
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Brand

  • Sigma-Aldrich(India)

Package

  • 5G
  • 100G
  • ManufacturerSigma-Aldrich(India)
  • Product number219916
  • Product descriptionHydroxy naphthol blue disodium salt ACS reagent
  • Packaging5G
  • Price₹2922.75
  • Updated2022-06-14
  • Buy
  • ManufacturerSigma-Aldrich(India)
  • Product number219916
  • Product descriptionHydroxy naphthol blue disodium salt ACS reagent
  • Packaging100G
  • Price₹13693.63
  • Updated2022-06-14
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Sigma-Aldrich(India) 219916 Hydroxy naphthol blue disodium salt ACS reagent 5G ₹2922.75 2022-06-14 Buy
Sigma-Aldrich(India) 219916 Hydroxy naphthol blue disodium salt ACS reagent 100G ₹13693.63 2022-06-14 Buy

Properties

Melting point :274°C
Density :2.130g/cm3
storage temp. :Store at room temperature.
solubility :DMSO (Slightly), Water (Sparingly)
form :Small Powder
color :Small dark blue to black
PH :7.9
Water Solubility :water: soluble
λmax :650 nm

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Hydroxy naphthol blue disodium salt is a synthetic dye that has been used as a calcium indicator, which has a λmax = 650 nm. In the pH range between 12 and 13, the solution of the indicator is reddish pink in the presence of calcium ion and deep blue in the presence of excess (Ethylenedinitrilo)tetraacetate.

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