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26049

Chlorophosphonazo III

for spectrophotometric det. of alkaline earth metals

Synonym(s):

Bis(4-chloro-2-phosphonobenzolazo)chromotropic acid

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1 g
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$1,020.00

About This Item

Empirical Formula (Hill Notation):
C22H16Cl2N4O14P2S2
CAS Number:
1914-99-4
Molecular Weight:
757.36
UNSPSC Code:
12352200
NACRES:
NA.21
PubChem Substance ID:
329752849
EC Number:
217-628-8
Beilstein/REAXYS Number:
2934871
MDL number:
MFCD00042698

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form

powder

Quality Segment

quality

for spectrophotometric det. of alkaline earth metals

technique(s)

UV/Vis spectroscopy: suitable

SMILES string

Oc1c(\N=N\c2ccc(Cl)cc2P(O)(O)=O)c(cc3cc(c(\N=N\c4ccc(Cl)cc4P(O)(O)=O)c(O)c13)S(O)(=O)=O)S(O)(=O)=O

InChI

1S/C22H16Cl2N4O14P2S2/c23-10-1-3-12(14(7-10)43(31,32)33)25-27-19-16(45(37,38)39)5-9-6-17(46(40,41)42)20(22(30)18(9)21(19)29)28-26-13-4-2-11(24)8-15(13)44(34,35)36/h1-8,29-30H,(H2,31,32,33)(H2,34,35,36)(H,37,38,39)(H,40,41,42)/b27-25+,28-26+

InChI key

LMBABJNSZGKTBA-NBHCHVEOSA-N

General description

Chlorophosphonazo III is a highly sensitive reagent and can be used for the spectrophotometric determination of zirconium, titanium, thorium and scandium. It also finds application as an extractant, along with 1-butanol as solvent, for determination of micromolar concentrations of Nd(III), Th(IV) and U(VI) in brine. Above all that, it has two long wavelength maxima, one at 620 nm and one at 680 nm.

Application

Chlorophosphonazo III was used as a chromogenic agent along with PVC, during the determination of calcium via a disposable optical sensor.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Reagent for the spectrophotometric determination of alkaline earth metals

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This Item
A92775
Chlorophosphonazo III for spectrophotometric det. of alkaline earth metals

Supelco

26049

Chlorophosphonazo III

Arsenazo III calcium-sensitive dye

Sigma-Aldrich

A92775

Arsenazo III

description

for spectrophotometric det. of alkaline earth metals

description

calcium-sensitive dye

form

powder

form

powder

Quality Level

100

Quality Level

200

technique(s)

UV/Vis spectroscopy: suitable

technique(s)

titration: suitable

quality

for spectrophotometric det. of alkaline earth metals

quality

-

Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Gloves, type N95 (US)

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