2-PDS
Colorimetric Reagent for SH Moiety
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Product codeP016 2-PDS
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CAS No.2127-03-9
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Chemical name2,2'-Dithiodipyridine
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MWC10H8N2S2=220.32
Unit size | Price | Item Code |
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1 g | P016-10 |
Description
Fig 1. 2-PDS reaction with thiol compound
References
1) D. R. Grassetti and J. F. Murray Jr., "Determination of Sulfhydryl Groups with 2,2'- or 4,4'-Dithiodipyridine", Arch. Biochem. Biophys., 1967, 119, 41.
2) R. E. Humphrey, M. H. Ward and W. Hinze, "Spectrophotometric Determination of Sulfite with 4,4'-Dithiodipyridine and 5,5'-Dithiobis-(2-nitrobenzoic acid)", Anal. Chem., 1970, 42, 698.
3) R. E. Humphrey and W. Hinze, "Spectrophotometric Determination of Cyanide with Organic Disulphides", Talanta, 1971, 18, 491.
4) T. Uete, Y. Miyamoto, M. Ohnishi and N. Shimano, "Spectrophotometric Micromethod for Measuring Cholinesterase Activity in Serum or Plasma", Clin. Chem., 1972, 18, 454.
Handling and storage condition
Appearance: | White to pale yellow crystalline powder |
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Solubility in Methyl alcohol: | To pass test (clear, colorless or slightly yellow) |
m.p.: | 56 - 60°C |
Molar absorptivity: | ≧ 14,000 (around 235 nm) |
Sulfated ash: | ≦ 0.10 % |
IR spectrum: | Authentic |
Ambient temperature |