Skip to Content
Merck

A3144

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

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C17H12NNaO8S2 · xH2O
CAS Number:
Molecular Weight:
445.40 (anhydrous basis)
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
4100175
Assay:
~95%
Form:
powder
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist


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

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.


Still not finding the right product?


Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library



Jones JB
Laboratory Guide for Conducting Soil Tests and Plant Analysis (2001)
On-line generation and hydrolysis of methyl borate for the spectrophotometric determination of boron in soil and plants with azomethine-H.
Carrero P, et al.
Talanta, 68, 374-374 (2005)



Global Trade Item Number

SKUGTIN
A3144-25G04061835345755
A3144-1G04061826112366
A3144-5G04061835345762