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4,4'-Bis(dimethylamino)thiobenzophenone

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4,4'-Bis(dimethylamino)thiobenzophenone Basic information

Product Name:
4,4'-Bis(dimethylamino)thiobenzophenone
Synonyms:
  • 4,4-BIS(DIMETHYLAMINO)THIOBENZOPHENONE
  • Bis-4-(dimethylamino)phenylmethanethione
  • 4,4''-BIS(DIMETHYLAMINO)THIOBENZOPHENONE 96+%
  • Thiomichler's Ketone [Sensitive spectrophotometric reagent for Au, Ag, Hg and Pd, use for the determination of residual chlorine]
  • 4,4'-Bis(dimethylamino)[carbonothioylbisbenzene]
  • 4,4'-Carbonothioylbis(N,N-dimethylbenzenamine)
  • Bis[4-(dimethylamino)phenyl] thioketone
  • 4,4'-Bis(dimethylamino)thiobenzophenone,98%
CAS:
1226-46-6
MF:
C17H20N2S
MW:
284.42
EINECS:
214-962-6
Product Categories:
  • Building Blocks
  • Chemical Synthesis
  • Organic Building Blocks
  • Sulfur Compounds
  • Thiocarbonyl Compounds
  • Organic Building Blocks
  • Sulfur Compounds
  • Thiocarbonyl Compounds
  • Intermediates of Dyes and Pigments
Mol File:
1226-46-6.mol
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4,4'-Bis(dimethylamino)thiobenzophenone Chemical Properties

Melting point:
202-206 °C(lit.)
Boiling point:
430.0±55.0 °C(Predicted)
Density 
1.230 g/cm3
storage temp. 
Store below +30°C.
pka
3.05±0.24(Predicted)
form 
powder to crystal
color 
Red to Dark red to Dark purple
InChI
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
InChIKey
KFUJUTFTRXYQMG-UHFFFAOYSA-N
SMILES
C(C1=CC=C(N(C)C)C=C1)(C1=CC=C(N(C)C)C=C1)=S
CAS DataBase Reference
1226-46-6(CAS DataBase Reference)
NIST Chemistry Reference
4,4'-Bis(dimethylamino)thio benzophenone(1226-46-6)
EPA Substance Registry System
Methanethione, bis[4-(dimethylamino)phenyl]- (1226-46-6)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/38
Safety Statements 
26-36
RIDADR 
2811
WGK Germany 
3
HS Code 
29309070

MSDS

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4,4'-Bis(dimethylamino)thiobenzophenone Usage And Synthesis

Chemical Properties

Purple crystal

Uses

Thiomichler's ketone (4,4'-Bis(dimethylamino)thiobenzophenone) can be used as a photometric reagent for the determination of gold, palladium, platinum, mercury, silver, and copper. Thiomichler's ketone is a kind of biological materials or organic compounds that are widely used in life science research[1].

Purification Methods

Purify the thioketone by recrystallisation from hot EtOH or by trituration with a small volume of CHCl3, followed by filtration and washing with hot EtOH [Terbell & Wystrade J Phys Chem 68 2110 1964]. Also it recrystallises from CHCl3/ MeOH. [Beilstein 14 H 101, 14 I 395, 14 II 60.]

References

[1] Bergmeyer H U, et al. Biochemical reagents[M]//Methods of Enzymatic Analysis. Academic Press, 1965: 967-1037.

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