Difference between revisions of "Dimethyl sulfoxide"

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A dense, odorless, colorless liquid used as a solvent and a methylating agent. Dimethyl sulfoxide is obtained as a byproduct from the sulfite pulping paper making procedure. DMSO is used in paint and varnish removers. It is also used in the production of acrylonitrile fibers.
 
A dense, odorless, colorless liquid used as a solvent and a methylating agent. Dimethyl sulfoxide is obtained as a byproduct from the sulfite pulping paper making procedure. DMSO is used in paint and varnish removers. It is also used in the production of acrylonitrile fibers.
 
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[[[SliderGallery rightalign|aaiDMSO.jpg~FTIR|dimethyl sulfoxide.jpg~Chemical structure]]]
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
 
DMSO; dimethylsulfoxide; methylsulfoxide; sulfinylbismethane
 
DMSO; dimethylsulfoxide; methylsulfoxide; sulfinylbismethane
  
[[[SliderGallery rightalign|aaiDMSO.jpg~FTIR|dimethyl sulfoxide.jpg~Chemical structure]]]
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== Risks ==
  
== Other Properties ==
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* Combustible. Flash point= 89C (192F) 
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* Vapors and liquid may be absorbed through the skin causing irritation. 
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* ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=D1391&productDescription=DIMETHYL+SULFOXIDE+GC+HS+1L&vendorId=VN00033897&countryCode=US&language=en SDS]
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==Physical and Chemical Properties==
  
 
Soluble in water, ethanol, benzene, acetone, chloroform.
 
Soluble in water, ethanol, benzene, acetone, chloroform.
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|-
 
|-
 
! scope="row"| Melting Point
 
! scope="row"| Melting Point
| 18.5
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| 18.5 C
 
|-
 
|-
 
! scope="row"| Density
 
! scope="row"| Density
| 1.092
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| 1.092 g/ml
 
|-
 
|-
 
! scope="row"| Molecular Weight
 
! scope="row"| Molecular Weight
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|-
 
|-
 
! scope="row"| Boiling Point
 
! scope="row"| Boiling Point
| 188
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| 188 C
 
|}
 
|}
 
== Hazards and Safety ==
 
 
Combustible. Flash point= 89C (192F) 
 
 
Vapors and liquid may be absorbed through the skin causing irritation. 
 
 
Mallinckrodt Baker: [http://www.jtbaker.com/msds/englishhtml/d7120.htm MSDS]
 
  
 
== Comparisons ==
 
== Comparisons ==
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[[media:download_file_124.pdf|Properties of Common Solvents]]
 
[[media:download_file_124.pdf|Properties of Common Solvents]]
  
 
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==Resources and Citations==
 
 
== Authority ==
 
  
 
* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
 
* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993

Latest revision as of 13:23, 21 July 2022

Description

A dense, odorless, colorless liquid used as a solvent and a methylating agent. Dimethyl sulfoxide is obtained as a byproduct from the sulfite pulping paper making procedure. DMSO is used in paint and varnish removers. It is also used in the production of acrylonitrile fibers.

FTIR

AaiDMSO.jpg

Chemical structure

Dimethyl sulfoxide.jpg

Synonyms and Related Terms

DMSO; dimethylsulfoxide; methylsulfoxide; sulfinylbismethane

Risks

  • Combustible. Flash point= 89C (192F)
  • Vapors and liquid may be absorbed through the skin causing irritation.
  • ThermoFisher: SDS

Physical and Chemical Properties

Soluble in water, ethanol, benzene, acetone, chloroform.

Composition (CH3)2SO
CAS 67-68-5
Melting Point 18.5 C
Density 1.092 g/ml
Molecular Weight mol. wt. = 78.13
Refractive Index 1.476
Boiling Point 188 C

Comparisons

Properties of Common Solvents

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The Dictionary of Paper, American Paper Institute, New York, Fourth Edition, 1980
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983
  • CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: ref. index=1.476

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