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Lenthionine

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Name

Lenthionine

EINECS N/A
CAS No. 292-46-6 Density 1.549 g/cm3
PSA 126.50000 LogP 3.32600
Solubility N/A Melting Point 60-61°
Formula C2H4 S5 Boiling Point 351.5 °C at 760 mmHg
Molecular Weight 188.384 Flash Point 190.3 °C
Transport Information N/A Appearance N/A
Safety Risk Codes N/A
Molecular Structure Molecular Structure of 292-46-6 (Lenthionine) Hazard Symbols N/A
Synonyms

Lenthionin;Lenthionine; NSC 291119

Article Data 10

Lenthionine Synthetic route

18994-69-9

bis-chloromethyl disulfide

292-46-6

1,2,3,5,6-pentathiepane

Conditions
ConditionsYield
With disodium tetrasulfide; adogen 464 In water; benzene for 3h;43%
291-22-5

1,2,4,5-tetrathiane

292-46-6

1,2,3,5,6-pentathiepane

Conditions
ConditionsYield
With disodium tetrasulfide In N,N-dimethyl-formamide at 0℃;30%
75-15-0

carbon disulfide

74-95-3

1,2-dibromomethane

292-46-6

1,2,3,5,6-pentathiepane

Conditions
ConditionsYield
Stage #1: carbon disulfide With sodium sulfide; tetrabutylammomium bromide In water; toluene at 20℃; for 1h;
Stage #2: With sulfur In water; toluene at 20℃; for 1h;
Stage #3: 1,2-dibromomethane In water; toluene at 20℃; Reagent/catalyst; Solvent; Temperature; Time;
28%
75-11-6

diiodomethane

292-46-6

1,2,3,5,6-pentathiepane

Conditions
ConditionsYield
With sodium disulfide In dichloromethane; water for 120h; Ambient temperature;18%
With carbon disulfide; sodium disulfide In ethanol for 2.33333h; Inert atmosphere;10.6 g
75-11-6

diiodomethane

7345-69-9

sodium tetrathiopercarbonate

292-46-6

1,2,3,5,6-pentathiepane

Conditions
ConditionsYield
With diethyl ether 1.) ethanol, 2.) ethanol; Yield given. Multistep reaction;
534-18-9

sodium trithiocarbonate

74-95-3

1,2-dibromomethane

292-46-6

1,2,3,5,6-pentathiepane

Conditions
ConditionsYield
Stage #1: sodium trithiocarbonate With sulfur at 20℃; for 1h;
Stage #2: 1,2-dibromomethane at 0℃; for 20h;
7345-69-9

sodium tetrathiopercarbonate

74-95-3

1,2-dibromomethane

292-46-6

1,2,3,5,6-pentathiepane

Conditions
ConditionsYield
In ethanol at 35℃; for 20h;
292-46-6

1,2,3,5,6-pentathiepane

114079-01-5

methanebis(sulphenyl chloride)

Conditions
ConditionsYield
With chlorine In tetrachloromethane at 0℃; for 1h;
With chlorine In tetrachloromethane at 0℃;

Lenthionine Chemical Properties

The Molecular Structure of 1,2,3,5,6-Pentathiepane (CAS NO.292-46-6):

Empirical Formula: C2H4S5
Molecular Weight: 188.3782 
IUPAC: 1,2,3,5,6-pentathiepane
Product Categories: Miscellaneous;Flavor
Nominal Mass: 188 Da
Average Mass: 188.3782 Da
Monoisotopic Mass: 187.89165 Da 
Index of Refraction: 1.76
Molar Refractivity: 50.03 cm3
Molar Volume: 121.5 cm3
Surface Tension: 74.9 dyne/cm
Density: 1.549 g/cm3
Flash Point: 190.3 °C
Enthalpy of Vaporization: 57.27 kJ/mol
Boiling Point: 351.5 °C at 760 mmHg
Vapour Pressure: 8.28E-05 mmHg at 25°C 
Melting Point: 60.5 deg C EXP
log P (octanol-water): 2.310 (none) at 25°C 
Atmospheric OH Rate Constant: 7.89E-10 cm3/molecule-sec at 25°C 
InChI
InChI=1/C2H4S5/c1-3-4-2-6-7-5-1/h1-2H2
Smiles
S1SCSSCS1 

Lenthionine Specification

 1,2,3,5,6-Pentathiepane (CAS NO.292-46-6) is also called as Lenthionine .

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