CAPS (buffer)
Appearance
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Names | |
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Preferred IUPAC name
3-(Cyclohexylamino)propane-1-sulfonic acid | |
Identifiers | |
3D model (JSmol)
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ChemSpider | |
DrugBank | |
ECHA InfoCard | 100.013.175 |
EC Number |
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PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C9H19NO3S | |
Molar mass | 221.32 g/mol |
Melting point | >300 °C |
Acidity (pKa) | 10.4[2] |
Hazards | |
GHS labelling: | |
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Warning | |
H302, H315, H319, H335 | |
P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, 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).
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CAPS is the common name for 3-(Cyclohexylamino)-1-propanesulfonic acid, a chemical used as buffering agent in biochemistry. The similar substance N-cyclohexyl-2-hydroxyl-3-aminopropanesulfonic acid (CAPSO) is also used as buffering agent in biochemistry. Its useful pH range is 9.7-11.1.
See also
[edit]References
[edit]- ^ CAPS at Sigma-Aldrich
- ^ Esplin, Taran L.; Cable, Morgan L.; Gray, Harry B.; Ponce, Adrian (2010). "Terbium-Macrocycle Complexes as Chemical Sensors: Detection of an Aspirin Metabolite in Urine Using a Salicylurate-Specific Receptor Site". Inorganic Chemistry. 49 (10): 4643–4647. doi:10.1021/ic1003066.
Tabata, Masaaki; Habib, Ahsan; Watanabe, Keiichi (2005). "DNA Cleavage by Good's Buffers in the Presence of Au(III)". Bulletin of the Chemical Society of Japan. 78 (7): 1263–1269. doi:10.1246/bcsj.78.1263.