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515388

Sigma-Aldrich

4,4′-Bis(dimethylamino)thiobenzophenone

85%

Synonym(s):

Bis[4-(dimethylamino)phenyl]methanethione, Michler′s thioketone, Michler′s thione, TMK, p,p′-Bis(dimethylamino)thiobenzophenone

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About This Item

Linear Formula:
[(CH3)2NC6H4]2CS
CAS Number:
Molecular Weight:
284.42
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

85%

mp

202-206 °C (lit.)

SMILES string

CN(C)c1ccc(cc1)C(=S)c2ccc(cc2)N(C)C

InChI

1S/C17H20N2S/c1-18(2)15-9-5-13(6-10-15)17(20)14-7-11-16(12-8-14)19(3)4/h5-12H,1-4H3

InChI key

KFUJUTFTRXYQMG-UHFFFAOYSA-N

Related Categories

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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4, 4'-Bis (dimethylamino) thiobenzophenone as Reagent for Mercury and Certain Other Metals.
Gehauf B and Goldenson J.
Analytical Chemistry, 22(3), 498-499 (1950)
Ali Niazi et al.
Journal of hazardous materials, 165(1-3), 1200-1203 (2008-11-05)
A cloud point extraction process using the nonionic surfactant Triton X-114 for extracting mercury from aqueous solutions was investigated. The method is based on the complexation reaction of Hg(II) with Thio-Michler's Ketone (TMK) and micelle-mediated extraction of the complex. The
4, 4'-Bis (dimethylamino) thiobenzophenone as a sensitive reagent for mercury and palladium.
Cheng KL and Goydish BL.
Microchemical Journal, Devoted to the Application of Microtechniques in All Branches of Science, 10(1), 158-170 (1966)
I Tsukahara
Talanta, 24(10), 633-637 (1977-10-01)
A sensitive spectrophotometric method has been developed for the determination of gold in copper, silver, lead, blister copper, copper concentrate and anode slime. Optimal conditions have been established for the extraction and determination of gold. Gold is extracted as its
Ali Niazi et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 71(3), 1172-1177 (2008-04-29)
A simple, novel and sensitive spectrophotometric method was described for simultaneous determination of mercury and palladium. The method is based on the complex formation of mercury and palladium with Thio-Michler's Ketone (TMK) at pH 3.5. All factors affecting on the

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