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Merck

26049

Supelco

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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About This Item

经验公式(希尔记法):
C22H16Cl2N4O14P2S2
CAS号:
分子量:
757.36
Beilstein:
2934871
EC號碼:
MDL號碼:
分類程式碼代碼:
12000000
PubChem物質ID:
NACRES:
NA.21

形狀

powder

品質等級

品質

for spectrophotometric det. of alkaline earth metals

技術

UV/Vis spectroscopy: suitable

SMILES 字串

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 密鑰

LMBABJNSZGKTBA-NBHCHVEOSA-N

一般說明

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.

應用

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

包裝

Bottomless glass bottle. Contents are inside inserted fused cone.

其他說明

在分光光度法测定碱土金属中用到的试剂

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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Determination of calcium by a single-use optical sensor.
Capitan VLF
Sensors and Actuators B, Chemical, 71 (1), 140-146 (2000)
Rapid changes in intracellular free calcium concentration. Detection by metallochromic indicator dyes in squid giant axon.
Brown JE
Biophysical Journal, 15 (11), 1155-1155 (1975)
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
S M Baylor et al.
The Journal of physiology, 331, 179-210 (1982-10-01)
1. Absorbance changes were measured following stimulation of single muscle fibres injected with the metallochromic indicator dye Arsenazo III. Two dye-related signals can be clearly resolved: (1) an early, transient isotropic signal that appears to be due to the formation

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