Protect from moisture
reagent type: reductant
H2O: 50 mg/mL
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Eyeshields, Faceshields, Gloves, type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
Tris (2-carboxyethyl) phosphine hydrochloride (TCEP, #C4706) is capable of selectively cleaving disulfide bonds.
TCEP is soluble in water at 50 mg/ml and is also stable under both acidic and basic pH conditions. For work in protein analysis and mass spectrometry, we also offer an already prepared version of TCEP in a buffered aqueous solution. Product# 646547 is 0.5M solution of TCEP in water, where the pH has been adjusted to 7 with ammonium hydroxide.
TCEP is a very effective disulfide reducing agent that is less toxic than beta-mercaptoethanol and more stable to solution oxidation and pH changes than dithiothreitol.
1. Burns, J. A., et al. J. Org. Chem. 56, 1648, (1991)2. Maynard, H. D.; Grubbs, R. J. Tet. Lett. 40, 4137, (1999)3. Grubbs, R. H. Org. React. 22, 123, (2004)4. Burns, J.A. J. Org. Chem. 56, 2648, (1991)5. Kirley, T.L., Reduction and fluorescent labeling of cyst(e)ine-containing proteins for subsequent structural analyses. Anal. Biochem. 180, 231-236, (1989)6. Fischer W.H, et al., In situ reduction suitable for matrix-assisted laser desorption/ionization and liquid secondary ionization using tris(2-carboxyethyl)phosphine. Rapid Commun. Mass Spectrom. 7, 225-228, (1993)7. Getz, E.B., et al., A comparison between the sulfhydryl reductants tris(2-carboxyethyl)phosphine and dithiothreitol for use in protein biochemistry. Anal. Biochem. 273, 73-80, (1999) 8. Beil. 4,IV,3441
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