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1.04593

Hydroxynaphthol blue

metal (pM) indicator

Synonym(s):

Hydroxynaphthol blue, 2,2′-Dihydroxy-1,1′-azonaphthalene-3′,4,6′-trisulfonic acidtrisodiumsalt

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About This Item

Empirical Formula (Hill Notation):
C20H11N2Na3O11S3
CAS Number:
63451-35-4
Molecular Weight:
620.47
MDL number:
MFCD00036393
UNSPSC Code:
12352107
EC Index Number:
264-197-7
NACRES:
SE.11
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Quality Segment

100

form

solid

pH

2-3 (20 °C, 10 g/L in H2O)

solubility

340 g/L

bulk density

330 kg/m3

storage temp.

15-25°C

SMILES string

[Na+].[Na+].[Na+].[S](=O)(=O)([O-])c1cc2c(c(c1O)N\N=C3\c4c(cccc4)C(=CC\3=O)[S](=O)(=O)[O-])ccc(c2)[S](=O)(=O)[O-]

InChI

1S/C20H14N2O11S3.3Na/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;;;/h1-9,22,24H,(H,25,26,27)(H,28,29,30)(H,31,32,33);;;/q;3*+1/p-3/b21-18-;;;

InChI key

JQECMNGWLIFQLL-QRQZZYIYSA-K

Application


  • Facile synthesis of light harvesting semiconductor bismuth oxychloride nano photo-catalysts for efficient removal of hazardous organic pollutants.: This study demonstrates the use of hydroxylammonium chloride in the synthesis of bismuth oxychloride nanophotocatalysts. These catalysts are utilized for the degradation of hazardous organic compounds, highlighting a significant application in environmental remediation and analytical chemistry (Seddigi ZS et al., 2017).

  • On-column derivatization using redox activity of porous graphitic carbon stationary phase: an approach to enhancement of separation selectivity of liquid chromatography.: This article explores the use of hydroxylammonium chloride in on-column derivatization during liquid chromatographic processes. It focuses on enhancing separation selectivity, illustrating its pivotal role in refining analytical methods for complex mixtures (Shibukawa M et al., 2003).

Analysis Note

Appearance of solution: conforms
Loss on Drying (105 °C): ≤ 5 %
Suitability as indicator (for metal titration): conforms

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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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