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194832

Sigma-Aldrich

Dithizone

ACS reagent, ≥85.0%

Synonym(s):

Diphenylthiocarbazone

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About This Item

Linear Formula:
C6H5NHNHCSN=NC6H5
CAS Number:
60-10-6
Molecular Weight:
256.33
Beilstein:
748838
EC Number:
200-454-1
MDL number:
MFCD00003025
UNSPSC Code:
12352100
PubChem Substance ID:
24851336

grade

ACS reagent

Assay

≥85.0%

ign. residue

≤0.3%

mp

168 °C (dec.) (lit.)

cation traces

heavy metals: ≤0.002%

absorbance ratio

A ≥1.55

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.[1] It is widely used for the liquid-liquid and solid phase extraction of various metals since it forms stable complexes with the metals.[2]

Application

Dithizone (Diphenylthiocarbazone) may be used in the following studies:
  • In the cloud point preconcentration step, before the trace level quantification of silver by flame atomic absorption spectrometry.[2]
  • Preparation of hexadecyltrimethyl ammonium bromide (CTAB) capped gold nanoparticles (AuNPs). This reagent was useful for the colorimetric detection of heavy metal ions.[3]
  • As a zinc chelating ligand for the extraction of zinc in bovine serum.[4]
Dithizone has been used in the preparation of dithizone stain solution for pancreatic islet cells.[5]
Indicator for metals.[6]

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCBV6451
BCBV3000
BCBT4987
BCBR6911V
BCBQ6756V

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Yumin Leng et al.
Langmuir : the ACS journal of surfaces and colloids, 29(25), 7591-7599 (2013-06-04)
A new kind of analytical reagent, hexadecyl trimethyl ammonium bromide (CTAB), and dithizone product-modified gold nanoparticle dispersion, is developed for colorimetric response to 10 types of heavy metal ions (M(n+)), including Cr(VI), Cr(3+), Mn(2+), Co(2+), Ni(2+), Cu(2+), Zn(2+), Cd(2+), Hg(2+)
Wei Yue et al.
Electroanalysis, 25(10), 2259-2267 (2014-01-18)
Metal catalyst free carbon nanotube (MCFCNT) whiskers were first used as an electrode modification material on a gold electrode surface for zinc voltammetric measurements. A composite film of Nafion and MCFCNT whiskers was applied to a gold electrode surface to
Analytica Chimica Acta, 57, 393-393 (1971)
Sonic hedgehog inhibition induces mouse embryonic stem cells to differentiate toward definitive endoderm.
Ghanbari A, et al.
Indian Journal of Experimental Biology, 51, 201-207 (2013)
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)
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