Jump to content
 







Main menu
   


Navigation  



Main page
Contents
Current events
Random article
About Wikipedia
Contact us
Donate
 




Contribute  



Help
Learn to edit
Community portal
Recent changes
Upload file
 








Search  

































Create account

Log in
 









Create account
 Log in
 




Pages for logged out editors learn more  



Contributions
Talk
 



















Contents

   



(Top)
 


1 Uses  





2 References  














2,2'-Dipyridyldisulfide






تۆرکجه
فارسی
Српски / srpski
Srpskohrvatski / српскохрватски
ி
 

Edit links
 









Article
Talk
 

















Read
Edit
View history
 








Tools
   


Actions  



Read
Edit
View history
 




General  



What links here
Related changes
Upload file
Special pages
Permanent link
Page information
Cite this page
Get shortened URL
Download QR code
Wikidata item
 




Print/export  



Download as PDF
Printable version
 




In other projects  



Wikimedia Commons
 
















Appearance
   

 






From Wikipedia, the free encyclopedia
 


2,2′-Dipyridyldisulfide
Skeletal formula of DPS
Space-filling model of the DPS molecule
Names
Preferred IUPAC name

2,2′-Disulfanediyldipyridine

Other names

1,2-Di(pyridin-2-yl)disulfane (not recommended)
2,2′-Dipyridyldisulfide
2,2′-Dipyridyldisulphide
Aldrithiol-2

Identifiers

CAS Number

3D model (JSmol)

  • Interactive image
  • ChEBI
    ChEMBL
    ChemSpider
    ECHA InfoCard 100.016.676 Edit this at Wikidata
    EC Number
    • 218-343-1

    PubChem CID

    UNII

    CompTox Dashboard (EPA)

    • InChI=1S/C10H8N2S2/c1-3-7-11-9(5-1)13-14-10-6-2-4-8-12-10/h1-8H checkY

      Key: HAXFWIACAGNFHA-UHFFFAOYSA-N checkY

    • InChI=1/C10H8N2S2/c1-3-7-11-9(5-1)13-14-10-6-2-4-8-12-10/h1-8H

      Key: HAXFWIACAGNFHA-UHFFFAOYAJ

    • S(Sc1ncccc1)c2ncccc2

    • c1ccnc(c1)SSc2ccccn2

    Properties

    Chemical formula

    C10H8N2S2
    Molar mass 220.31 g·mol−1
    Melting point 56 to 58 °C (133 to 136 °F; 329 to 331 K)
    Hazards
    Occupational safety and health (OHS/OSH):

    Main hazards

    Irritant (Xi)
    GHS labelling:

    Pictograms

    GHS07: Exclamation mark

    Signal word

    Warning

    Hazard statements

    H315, H319, H335

    Precautionary statements

    P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501

    Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

    checkY verify (what is checkY☒N ?)

    Infobox references

    2,2′-Dipyridyldisulfide, sometimes known as DPS, is used for preparing thiols[1][2] and activating carboxylic acid for coupling reactions, as in the following reaction:[3]

    Uses

    [edit]

    It is also used in molecular biology as an oxidising agent, for example to oxidise free thiols to form disulfide bonds in proteins.

    References

    [edit]
    1. ^ Futaki S. and Kitagawa K. (1994). "Peptide-Unit Assembling Using Disulfide Cross-Linking - a New Approach for Construction of Protein Models". Tetrahedron Lett. 35 (8): 1267–1270. doi:10.1016/0040-4039(94)88040-9.
  • ^ "Special Reagents for Thiol Groups". Aldrichimica Acta. 4 (3): 33–46.
  • ^ Thalmann A., Oertle K. and Gerlach H (1985). "Ricinelaidic acid lactone". Org. Synth. 7: 470. doi:10.15227/orgsyn.063.0192.

  • t
  • e

  • Retrieved from "https://en.wikipedia.org/w/index.php?title=2,2%27-Dipyridyldisulfide&oldid=1223985540"

    Categories: 
    Organic disulfides
    2-Pyridyl compounds
    Reagents for organic chemistry
    Organic compound stubs
    Hidden categories: 
    Chemical articles with multiple compound IDs
    Multiple chemicals in an infobox that need indexing
    Articles without KEGG source
    ECHA InfoCard ID from Wikidata
    Chembox having GHS data
    Articles containing unverified chemical infoboxes
    Articles with short description
    Short description matches Wikidata
    All stub articles
     



    This page was last edited on 15 May 2024, at 15:33 (UTC).

    Text is available under the Creative Commons Attribution-ShareAlike License 4.0; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization.



    Privacy policy

    About Wikipedia

    Disclaimers

    Contact Wikipedia

    Code of Conduct

    Developers

    Statistics

    Cookie statement

    Mobile view



    Wikimedia Foundation
    Powered by MediaWiki