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33154

Sigma-Aldrich

Dithizone

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

Synonym(s):

Diphenylthiocarbazone

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About This Item

Linear Formula:
C6H5NHNHCSN=NC6H5
CAS Number:
60-10-6
Molecular Weight:
256.33
Beilstein/REAXYS Number:
748838
EC Number:
200-454-1
MDL number:
MFCD00003025
UNSPSC Code:
12352100
PubChem Substance ID:
329754465
NACRES:
NA.21

agency

USP/NF
reag. Ph. Eur.

Quality Level

200

grade

puriss. p.a.

assay

≥98% (chelatometric)

technique(s)

titration: suitable

impurities

≤0.001% heavy metals (as Pb)

ign. residue

≤0.2% (as SO4)

mp

168 °C (dec.) (lit.)

absorption

≥1450 at 605 nm

SMILES string

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+

InChI key

UOFGSWVZMUXXIY-BMRADRMJSA-N

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General description

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.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (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)
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
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
Guihong Cheng et al.
Talanta, 88, 507-515 (2012-01-24)
A fast and simple method for analysis of trace amounts of Cr(III), Cu(II), Pb(II) and Zn(II) in environmental and biological samples was developed by combining magnetic solid phase extraction (MSPE) with inductively coupled plasma-optical emission spectrometry (ICP-OES) detection. Dithizone modified
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