D9775
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D9775
Sigma
N,N-Dimethyldodecylamine N-oxide
≥99% (titration)
| Synonym: | DDAO, Lauryldimethylamine N-oxide, LDAO |
| CAS Number: | 1643-20-5 |
| Linear Formula: | CH3(CH2)11N(O)(CH3)2 |
| Molecular Weight: | 229.40 |
| Beilstein Registry Number: | 1769927 |
| EC Number: | 216-700-6 |
| MDL number: | MFCD00002049 |
Description
| Application | DDAO is a non-denaturing zwitterionic surfactant with a critical micelle concentration (CMC) or approximately 1 mM. It is used to solubilize proteins and to study the conformation and molecular interactions of macromolecules. |
Properties
| assay | ≥99% (titration) |
| mp | 132-133 °C(lit.) |
| storage temp. | 2-8°C |
Safety
| Personal Protective Equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
| Hazard Codes | C |
| Risk Statements | 34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN3259 8/PG 2 |
| WGK Germany | 2 |
| RTECS | JR6650000 |
References
| reference | Lair, V., et al., Thermodynamic study of the protonation of dimethyldodecylamine N-oxide micelles in aqueous solution at 298 K. Establishment of a theoretical relationship linking critical micelle concentrations and pH. Langmuir 20, 8490-8495, (2004) |
| Yildiz, O., et al., Structure of the monomeric outer-membrane porin OmpG in the open and closed conformation. EMBO J. 25, 3702-3713, (2006) | |
| Yanagi, K., et al., Local electrostatic field induced by the carotenoid bound to the reaction center of the purple photosynthetic bacterium rhodobacter sphaeroides. J. Phys. Chem. B 109, 992-998, (2005) | |
| Kocherbitov, V., and Soderman, O., Hydration of dimethyldodecylamine-N-oxide: Enthalpy and entropy driven processes. J. Phys. Chem. B 110, 13649-13655, (2006) | |
| Richter, M.F., et al., Single-molecule spectroscopic characterization of light-harvesting 2 complexes reconstituted into model membranes. Biophys. J. e-pub Apr. 6, (2007) | |
| Beilstein | Beil. 4,IV,798 |
| Corp MSDS 1 (1), 1371:B / FT-IR 2 (1), 474:C / RegBook 1 (1), 323:I / Sax 6, 1158 / Structure Index 1, 50:C:3 |
