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1.04593

Supelco

Hydroxynaphthol blue

metal (pM) indicator

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Synonym(s):
Hydroxynaphthol blue, 2,2′-Dihydroxy-1,1′-azonaphthalene-3′,4,6′-trisulfonic acidtrisodiumsalt
Empirical Formula (Hill Notation):
C20H11N2Na3O11S3
CAS Number:
Molecular Weight:
620.47
UNSPSC Code:
12352107
EC Index Number:
264-197-7
NACRES:
SE.11

Quality Level

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

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

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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

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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