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CHLOROPHOSPHONAZO III

Basic information Safety Supplier Related

CHLOROPHOSPHONAZO III Basic information

Product Name:
CHLOROPHOSPHONAZO III
Synonyms:
  • 2,7-naphthalenedisulfonicacid,3,6-bis[(4-chloro-2-phosphonophenyl)azo]-4,5-di
  • hydroxy-
  • BIS(4-CHLORO-2-PHOSPHONOBENZOLAZO)CHROMO-TROPIC ACID
  • CHLOROPHOSPHONAZO III
  • Chlorophosphonazo Ⅲ
  • 3,6-bis[(4-chloro-2-phosphonophenyl)azo]-4,5-dihydroxynaphthalene-2,7-disulphonic acid
  • CHLORPHOSPHONAZO III, HIGH GRADE
  • 2,7-Bis(4-chloro-2-phosphonophenylazo)-1,8-dihydroxy-3,6-naphthalenedisulfonicacid,disodiumsalt
CAS:
1914-99-4
MF:
C22H16Cl2N4O14P2S2
MW:
757.36
EINECS:
217-628-8
Mol File:
1914-99-4.mol
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CHLOROPHOSPHONAZO III Chemical Properties

Melting point:
>300oC
Density 
2.08±0.1 g/cm3(Predicted)
storage temp. 
-20°C Freezer, Under inert atmosphere
solubility 
Methanol (Slightly), Water (Slightly)
pka
-1.36±0.40(Predicted)
form 
Solid
color 
Black
BRN 
2934871
CAS DataBase Reference
1914-99-4(CAS DataBase Reference)
EPA Substance Registry System
2,7-Naphthalenedisulfonic acid, 3,6-bis[(4-chloro-2-phosphonophenyl)azo]-4,5-dihydroxy- (1914-99-4)
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Safety Information

Safety Statements 
22-24/25
WGK Germany 
3

MSDS

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CHLOROPHOSPHONAZO III Usage And Synthesis

Uses

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.

CHLOROPHOSPHONAZO IIISupplier

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