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  7. Arsenazo III, Thermo Scientific Chemicals

Arsenazo III, Thermo Scientific Chemicals

Product Code. 15465299
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Quantity:
5 g
25 g
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Regulatory: This product contains a substance listed in Annex XVII to REACH Regulation (EC) No 1907/2006, all customers must complete a declaration before delivery.
This item is not returnable. View return policy
Regulatory: This product contains a substance listed in Annex XVII to REACH Regulation (EC) No 1907/2006, all customers must complete a declaration before delivery.

Description

Arsenazo III (3,6-bis((E)-(2-Arsonophenyl)diazenyl)-4,5-dihydroxynaphthalene-2,7-disulfonic acid, CAS # 1668-00-4) is a metallochrome indicator that is used for detecting calcium levels in plasma and serum.

Suitable for determination of micromolar amounts of calcium

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

General Description

• Arsenazo III is highly specific for calcium and produces absorbance peaks in the 600-660 nm range
• It reacts in slightly acidic conditions, and is soluble in alcohol and semi-soluble in water

Application

• Arsenazo III can detect calcium in permeabilized cells; it is also capable of detecting uranium and thorium
• Arsenazo III has been used in vitro to measure intracellular Ca2+ levels in live neurons alongside patch clamp methods

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 1668-00-4
Molecular Formula C22H18As2N4O14S2
Molecular Weight (g/mol) 776.363
MDL Number MFCD00036695
InChI Key TVMZRHVOFZTNET-RIRMOVKSSA-N
Synonym arsenazo iii, arsenazo iii sodium salt, 2,2'-1, 8-dihydroxy-3,6-disulfo-2, 7-naphthalene-bis azo dibenzenearsonic acid, 2,7-bis 2-arsonophenylazo-1, 8-dihydroxy-3, 6-naphthalene disulfonic acid, 2,7-bis 2-arsonophenylazo-1,8-dihydroxynaphthalene-3,6-disulfonic acid, 2,7-bis 2-arsonophenylazo chromotropic acid, 2,2'-1,8-dihydroxy-3,6-disulfonaphthylene-2,7-bisazo bisbenzenearsonic acid, 3,6-bis 2-2-arsonophenyl diazen-1-yl-4,5-dihydroxynaphthalene-2,7-disulfonic acid, 3,6-bis 2-2-arsonophenyl diazenyl-4,5-dihydroxy-2,7-naphthalenedisulfonic acid, 3,6-bis 2-2-arsonophenyl hydrazin-1-ylidene-4,5-dioxonaphthalene-2,7-disulfonic acid
PubChem CID 9810878
IUPAC Name (3Z,6E)-3,6-bis[(2-arsonophenyl)hydrazinylidene]-4,5-dioxonaphthalene-2,7-disulfonic acid
SMILES C1=CC=C(C(=C1)NN=C2C(=CC3=C(C2=O)C(=O)C(=NNC4=CC=CC=C4[As](=O)(O)O)C(=C3)S(=O)(=O)O)S(=O)(=O)O)[As](=O)(O)O

Specifications

Color Brown to Purple
Quantity 5 g
UN Number UN3465
Beilstein 5717957
Formula Weight 776.37
Physical Form Powder
Chemical Name or Material Arsenazo III

RUO – Research Use Only

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