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33154

Sigma-Aldrich

Dithizone

puriss. p.a., reag. Ph. Eur., ≥98% (chelatometric), for metal titration

Synonyme(s) :

Diphenylthiocarbazone

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About This Item

Formule linéaire :
C6H5NHNHCSN=NC6H5
Numéro CAS:
60-10-6
Poids moléculaire :
256.33
Numéro Beilstein :
748838
Numéro CE :
200-454-1
Numéro MDL:
MFCD00003025
Code UNSPSC :
12352100
ID de substance PubChem :
329754465
Nomenclature NACRES :
NA.21

Agence

USP/NF
reag. Ph. Eur.

Niveau de qualité

200

Qualité

puriss. p.a.

Pureté

≥98% (chelatometric)

Technique(s)

titration: suitable

Impuretés

≤0.001% heavy metals (as Pb)

Résidus de calcination

≤0.2% (as SO4)

Pf

168 °C (dec.) (lit.)

Absorption

≥1450 at 605 nm

Chaîne SMILES 

S=C(NNc1ccccc1)\N=N\c2ccccc2

InChI

1S/C13H12N4S/c18-13(16-14-11-7-3-1-4-8-11)17-15-12-9-5-2-6-10-12/h1-10,14H,(H,16,18)/b17-15+

Clé InChI

UOFGSWVZMUXXIY-BMRADRMJSA-N

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Description générale

Dithizone (Diphenylthiocarbazone) is used as chelating agent for zinc. It is widely used for the liquid-liquid and solid phase extraction of various metals since it forms stable complexes with the metals.

Application

Dithizone (Diphenylthiocarbazone) may be used for the in vitro characterization of differentiated pancreatic islets clusters in differentiated embryonic stem cell cultures, as it forms chelates with zinc present in huge quantities in pancreatic islets, thereby selectively staining them. It may be used to form complex with silver ions in the cloud point preconcentration step before the trace level quantification of silver by flame atomic absorption spectrometry.

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H315,H319

Classification des risques

Eye Irrit. 2 - Skin Irrit. 2

Code de la classe de stockage

11 - Combustible Solids

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

dust mask type N95 (US), Eyeshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number
BCCB8588
BCCB3034
BCBX0402
BCBX0315
BCBX0316

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Selective cloud point extraction and preconcentration of trace amounts of silver as a dithizone complex prior to flame atomic absorption spectrometric determination.
Manzoori JL and Karim-Nezhad G.
Analytica Chimica Acta, 484(2), 155-161 (2003)
Akira Shiroi et al.
Stem cells (Dayton, Ohio), 20(4), 284-292 (2002-07-12)
Embryonic stem (ES) cells have a pluripotent ability to differentiate into a variety of cell lineages in vitro. We have recently identified the emergence of cellular clusters within differentiated ES cell cultures by staining with dithizone (DTZ). DTZ is a
Xiaodong Wen et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 97, 782-787 (2012-08-21)
In this work, a new coupling of spectrophotometric determination with preconcentration method named as ultrasound-assisted emulsification dispersive liquid-liquid microextraction (UAE-DLLME) for trace silver was firstly established. Disperser solvent in traditional DLLME was substituted by ultrasound-assisted emulsification, which could afford more
Jianjun Deng et al.
Journal of hazardous materials, 196, 187-193 (2011-09-29)
An electrospun nanofiber was utilized as a sorbent in packed fiber solid phase extraction (PFSPE) for selective separation and preconcentration of lead (II). The nanofiber had a polystyrene (PS) backbone, which was functionalized with dithizone (DZ) by co-electrospinning of a
Yukun Wang et al.
Analytica chimica acta, 716, 112-118 (2012-01-31)
Graphene, a novel class of carbon nanostructures, has great promise for use as sorbent materials because of its ultrahigh specific surface area. A new method using a column packed with graphene as sorbent was developed for the preconcentration of trace
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