26049
偶氮氯膦 III
for spectrophotometric det. of alkaline earth metals
别名:
2,7-双(4-氯-2-膦羧苯偶氮)-1,8-二羟基萘-3,6-二磺酸
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关于此项目
经验公式（希尔记法）:
C22H16Cl2N4O14P2S2
化学文摘社编号:
分子量:
757.36
UNSPSC Code:
12352200
NACRES:
NA.21
PubChem Substance ID:
EC Number:
217-628-8
Beilstein/REAXYS Number:
2934871
MDL number:
InChI key
LMBABJNSZGKTBA-NBHCHVEOSA-N
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+
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
form
powder
quality
for spectrophotometric det. of alkaline earth metals
technique(s)
UV/Vis spectroscopy: suitable
Quality Level
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
在分光光度法测定碱土金属中用到的试剂
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
法规信息
新产品
此项目有
Extraction and spectrophotometric determination of Nd (III), Th (IV) and U (VI) in synthetic brine using Chlorophosphonazo III.
Chen JF
Analytica Chimica Acta, 284 (3), 593-597 (1994)
Simultaneous Spectrophotometric Determination of Calcium and Magnesium with Chlorophosphonazo III.
Ferguson JW.
Analytical Chemistry, 36 (4), 796-799 (1964)
S M Baylor et al.
The Journal of physiology, 331, 139-177 (1982-10-01)
1. Changes in transmission of quasi-monochromatic light were measured in singly dissected, dye-injected twitch fibres following a single propagated action potential. The records, after correction for the intrinsic transmission signal, indicate changes in dye-related absorbance, DeltaA. This paper describes the
M. Zenki
Analytical Chemistry, 53, 968-968 (1981)
Wei-Wen Liu et al.
Biomedical optics express, 12(2), 1154-1166 (2021-03-09)
This study demonstrates that chlorophosphonazo III (CPZ III) can be used as a contrast agent for photoacoustic calcium imaging. CPZ III can pass across the plasma membrane for labeling intracellular Ca2+ without cytotoxicity. In optical-resolution photoacoustic microscopy (OR-PAM), the photoacoustic
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