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Sigma-Aldrich

Dithizone

ACS reagent, for spectrophotometric det. of Cd, Cu, Hg, Pb, Zn, ≥98.0% (TLC)

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Synonym(s):
Diphenylthiocarbazone
Linear Formula:
C6H5NHNHCSN=NC6H5
CAS Number:
60-10-6
Molecular Weight:
256.33
Beilstein:
748838
EC Number:
200-454-1
MDL number:
MFCD00003025
PubChem Substance ID:
57650198
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

Assay

≥98.0% (TLC)

form

powder

quality

for spectrophotometric det. of Cd, Cu, Hg, Pb, Zn

technique(s)

UV/Vis spectroscopy: suitable

mp

168 °C (dec.) (lit.)

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.

Other Notes

Reagent for the extraction and separation of heavy metals; Reagent for the extraction and flame atomic absorption spectroscopic determination of metals, Reagent for the spectrophotometric detection of heavy metals

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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K.L. Cheng et al. et al.
Handbook of Organic Analytical Reagents null
H. Armannson
Analytica Chimica Acta, 88, 89-89 (1977)
Humaira Khan et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 21(5), 507-512 (2005-05-26)
A very simple, ultra-sensitive and fairly selective non-extractive spectrophotmetric method is presented for the rapid determination of mercury(II) at ultra-trace level using 1,5-diphenylthiocarbazone (dithizone) as a new micellar spectrophotometric reagent (lambdamax = 490 nm) in a slightly acidic (0.07 -
Analytica Chimica Acta, 110, 21-21 (1979)
G. Iwantscheff
Das Dithizon und seine Anwendung in der Mikro- und Spurenanalyse null
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