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A92775

Sigma-Aldrich

Arsenazo III

calcium-sensitive dye, Powder

Synonyme(s) :

2,2′-(1,8-Dihydroxy-3,6-disulfonaphthylene-2,7-bisazo)bisbenzenearsonic acid, 2,7-Bis(2-arsonophenylazo)chromotropic acid

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About This Item

Formule linéaire :
(HO)2C10H2(SO3H)2(N=NC6H4AsO3H2)2
Numéro CAS:
1668-00-4
Poids moléculaire :
776.37
Numéro Beilstein :
5717957
Numéro CE :
216-788-6
Numéro MDL:
MFCD00036695
Code UNSPSC :
12171500
ID de substance PubChem :
24891431
Nomenclature NACRES :
NA.47

product name

Arsenazo III, calcium-sensitive dye

Niveau de qualité

200

Forme

powder

Technique(s)

titration: suitable

Impuretés

<0.1% Ca

Couleur

brown to very dark brown, and Black

Pf

>320 °C (lit.)

Solubilité

ammonium hydroxide: 1 mg/mL

λmax

530 nm

Application(s)

diagnostic assay manufacturing
hematology
histology

Température de stockage

room temp

Chaîne SMILES 

Oc1c(\N=N\c2ccccc2[As](O)(O)=O)c(cc3cc(c(\N=N\c4ccccc4[As](O)(O)=O)c(O)c13)S(O)(=O)=O)S(O)(=O)=O

InChI

1S/C22H18As2N4O14S2/c29-21-18-11(9-16(43(37,38)39)19(21)27-25-14-7-3-1-5-12(14)23(31,32)33)10-17(44(40,41)42)20(22(18)30)28-26-15-8-4-2-6-13(15)24(34,35)36/h1-10,29-30H,(H2,31,32,33)(H2,34,35,36)(H,37,38,39)(H,40,41,42)/b27-25+,28-26+

Clé InChI

UQHVTNUJRKELCE-NBHCHVEOSA-N

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Application

Arsenazo III has been used as a color forming reagent to determine uranium concentration.

Actions biochimiques/physiologiques

Arsenazo III is a metallochromic dye. Arsenazo III is used in the determination of calcium in biological samples. It is used to evaluate calcium transport in permeabilized cells. It is also used for the detection of rare earth metals (polyvalent metal ions). Arsenazo III is used for the spectrophotometric determination of uranium and thorium.

Pictogrammes

Skull and crossbonesEnvironment
GHS06,GHS09

Mention d'avertissement

Danger

Mentions de danger

H301 + H331,H410

Classification des risques

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1

Code de la classe de stockage

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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Certificats d'analyse (COA)

Lot/Batch Number
SHBN9453
MKCL7154
MKCG3974
MKCF4588
MKBT7566V

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Daniel T Holmes et al.
American journal of clinical pathology, 151(3), 328-336 (2018-11-27)
The Hoffmann method is a procedure for reference interval estimation using routine clinical results. Many authors incorrectly prepare Hoffmann plots on a linear rather than normal probability scale. We explore the consequences. This was investigated algebraically, by random number simulations
Analytica Chimica Acta, 71, 375-375 (1974)
J W Janssen et al.
European journal of clinical chemistry and clinical biochemistry : journal of the Forum of European Clinical Chemistry Societies, 29(3), 197-201 (1991-03-01)
The widely used calcium dye reagent, o-cresolphthalein complexone, was replaced by the less well known metallochromic indicator Arsenazo III in a selective multitest analyser. Calibration stability increased from 12 hours to more than 48 hours. With the Arsenazo III reagent
L J Dong et al.
Fresenius' journal of analytical chemistry, 370(8), 1009-1014 (2001-10-05)
The determination of proteins with arsenazo-DBN and Al3+ by Rayleigh light-scattering (RLS) is described. The weak RLS of arsenazo-DBN and BSA can be enhanced greatly by addition of Al3+ in the pH range 5.3-7.0; this resulted in two enhanced RLS
Phosphatidate and oxidized fatty acids are calcium ionophores. Studies employing arsenazo III in liposomes.
Serhan C, et al.
The Journal of Biological Chemistry, 256, 2736-2741 (1981)
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