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471577 Sigma-Aldrich

Dimethyl sulfide

≥99%

Synonym: DMS, Methyl sulfide

  • CAS Number 75-18-3

  • Linear Formula (CH3)2S

  • Molecular Weight 62.13

  •  Beilstein Registry Number 1696847

  •  EC Number 200-846-2

  •  MDL number MFCD00008562

  •  PubChem Substance ID 57650900

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Properties

Related Categories Allium cepa (Onion), Allium sativum (Garlic), Building Blocks, Cell Biology, Chemical Synthesis,
vapor density   2.1 (vs air)
vapor pressure   26.24 psi ( 55 °C)
  7.79 psi ( 20 °C)
InChI Key   QMMFVYPAHWMCMS-UHFFFAOYSA-N
assay   ≥99%
autoignition temp.   402 °F
expl. lim.   19.7 %
refractive index   n20/D 1.435(lit.)
bp   38 °C(lit.)
mp   −98 °C (lit.)
solubility   water: soluble 7.28 g/L at 20 °C
density   0.846 g/mL at 25 °C(lit.)
Gene Information   rat ... Maoa(29253), Maob(25750)

Description

Packaging

2 L in Sure/Seal™

20 L in steel drum

25, 250 mL in Sure/Seal™

General description

Dimethyl sulfide (DMS) is a biogenic sulfur compound that is released from the ocean to the atmosphere. It forms the main component of the global sulfur cycle. The thermal decomposition behavior of dimethyl sulfide in gas phase has been investigated in a static system at 681-723K. The mechanism of its photochemical oxidation in atmosphere has been described. The rate constant of the gas phase reaction between OH radicals and DMS have been determined by relative rate methods and flash photolysis technique. The differential Raman cross section, σDMS at different excitation wavelengths has been measured. The adsorption of DMS on activated carbons (ACs) has been reported to take place by hydrogen bonding.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN1164 - class 3 - PG 2 - Dimethyl sulfide
WGK Germany 
1
RTECS 
PV5075000
Flash Point(F) 
-32.8 °F
Flash Point(C) 
-36 °C

Documents

Certificate of Analysis

Certificate of Origin


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Protocols & Articles

Articles

GC Analysis of a 12-Component Sulfur Compound Mix on SLB®-IL59

From our library of Articles, Sigma-Aldrich presents GC Analysis of a 12-Component Sulfur Compound Mix on SLB®-IL59
Keywords: Chromatography, Gas chromatography, Mass selective detector, Size-exclusion chromatography

GC Analysis of a 6-Component Sulfur Gases Mix on Supel-Q™ PLOT after SPME using 75 μm Carboxen/PDMS Fiber

From our library of Articles, Sigma-Aldrich presents GC Analysis of a 6-Component Sulfur Gases Mix on Supel-Q™ PLOT after SPME using 75 μm Carboxen/PDMS Fiber
Keywords: Chromatography, Gas chromatography, Mass spectrometry, Purification, Solid phase microextractions

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Peer-Reviewed Papers
15

References

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