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A3144

Sigma-Aldrich

Azomethine-H monosodium salt hydrate

~95%

Synonym(s):
4-Hydroxy-5-(2-hydroxybenzylideneamino)-naphthalene-2,7-disulfonic acid monosodium salt hydrate, 4-Hydroxy-5-(salicylideneamino)-2,7-naphthalenedisulfonic acid monosodium salt
Empirical Formula (Hill Notation):
C17H12NNaO8S2 · xH2O
CAS Number:
Molecular Weight:
445.40 (anhydrous basis)
Beilstein:
4100175
MDL number:
PubChem Substance ID:
NACRES:
NA.47

assay

~95%

Quality Level

form

powder

solubility

1 M NaOH: 49.00-51.00 mg/mL, yellow to orange

λmax

340-344 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

O.[Na+].Oc1ccccc1\C=N\c2cc(cc3cc(cc(O)c23)S(O)(=O)=O)S([O-])(=O)=O

InChI

1S/C17H13NO8S2.Na.H2O/c19-15-4-2-1-3-10(15)9-18-14-7-12(27(21,22)23)5-11-6-13(28(24,25)26)8-16(20)17(11)14;;/h1-9,19-20H,(H,21,22,23)(H,24,25,26);;1H2/q;+1;/p-1/b18-9+;;

InChI key

AAIGDXDVSZJVSW-IFJQNBRBSA-M

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General description

Azomethine-H is used as a color development agent. It is used for the determination of boron, mainly in soil samples.

Application

Azomethine-H monosodium salt hydrate has been used for the colorimetric determination of boron in soil and plants.

Packaging

1, 5, 25 g in glass bottle

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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