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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:
1226-46-6
Molecular Weight:
284.42
EC Number:
214-962-6
MDL number:
MFCD00040477
UNSPSC Code:
12352100
PubChem Substance ID:
24873817
NACRES:
NA.22

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

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

Certificates of Analysis (COA)

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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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