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P-TOLYL DISULFIDE

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P-TOLYL DISULFIDE Basic information

Product Name:
P-TOLYL DISULFIDE
Synonyms:
  • 1-Methyl-4-[(4-methylphenyl)disulfanyl]benzene
  • 4,4’-dimethyldiphenyldisulphide
  • 4-Methylphenyl disulfide
  • 4-methylphenyldisulfide
  • Biodylon
  • Bis(4-methylphenyl) disulfide
  • bis(4-methylphenyl)disulfide
  • Bis(4-tolyl) disulfide
CAS:
103-19-5
MF:
C14H14S2
MW:
246.39
EINECS:
203-087-5
Product Categories:
  • Organic Building Blocks
  • Sulfides/Disulfides
  • Sulfur Compounds
Mol File:
103-19-5.mol
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P-TOLYL DISULFIDE Chemical Properties

Melting point:
43-46 °C (lit.)
Boiling point:
349.4°C (rough estimate)
Density 
1.2475 (rough estimate)
refractive index 
1.6210 (estimate)
Flash point:
>230 °F
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
form 
powder to crystal
color 
White to Orange to Green
LogP
5.400
CAS DataBase Reference
103-19-5(CAS DataBase Reference)
EPA Substance Registry System
Disulfide, bis(4-methylphenyl) (103-19-5)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-37/39-16
RIDADR 
UN 3335
WGK Germany 
3
RTECS 
JO1526250
TSCA 
T
HS Code 
29309090

MSDS

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P-TOLYL DISULFIDE Usage And Synthesis

Chemical Properties

COLORLESS TO LIGHT YELLOW CRYSTALLINE SOLID

Uses

4-Methylphenyl Disulfide can be useful in electrochemical regioselective C(sp2)-H selenylation and sulfenylation of substituted 2-amino-1,4-naphthoquinones.

Synthesis Reference(s)

The Journal of Organic Chemistry, 46, p. 2408, 1981 DOI: 10.1021/jo00324a046
Tetrahedron Letters, 34, p. 903, 1993 DOI: 10.1016/S0040-4039(00)77450-8

Purification Methods

Purify it by chromatography on alumina using hexane as eluent, then crystallise it from MeOH, and/or distil it in a vacuum. [Kice & Bowers J Am Chem Soc 84 2384 1962, Beilstein 6 H 245, 6 I 212, 6 II 400, 6 III 1432, 6 IV 3206.]

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