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Chlorophosphonazo III

SIAL/26049 - for spectrophotometric det. of alkaline earth metals

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

CAS Number: 1914-99-4
Empirical Formula (Hill Notation): C22H16Cl2N4O14P2S2
Molecular Weight: 757.36
EC Number: 217-628-8
MDL Number: MFCD00042698
Linear Formula: C22H16Cl2N4O14P2S2
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-26049-1G-F 1 g
 $938.00
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form powder
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
quality for spectrophotometric det. of alkaline earth metals
Quality Level 100 
SMILES string Oc1c(N=Nc2ccc(Cl)cc2P(O)(O)=O)c(cc3cc(c(N=Nc4ccc(Cl)cc4P(O)(O)=O)c(O)c13)S(O)(=O)=O)S(O)(=O)=O
technique(s) UV/Vis spectroscopy: suitable
Application: Chlorophosphonazo III was used as a chromogenic agent along with PVC, during the determination of calcium via a disposable optical sensor.
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.
Other Notes: Reagent for the spectrophotometric determination of alkaline earth metals
Packaging: 1 g in glass bottle
Packaging: Bottomless glass bottle. Contents are inside inserted fused cone.
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
UNSPSC 12352200

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