Sodium dodecyl sulfate
SIAL/RDD040 - BioReagent, suitable for electrophoresis, for molecular biology, ≥98.5% (GC), free-flowing, Redi-Dri™
Synonym: Dodecyl sodium sulfate; Dodecyl sulfate sodium salt; Lauryl sulfate sodium salt; SDS; Sodium lauryl sulfate
CAS Number: 151-21-3
Empirical Formula (Hill Notation): C12H25NaO4S
Molecular Weight: 288.38
MDL Number: MFCD00036175
Linear Formula: CH3(CH2)11OSO3Na
Product Type: Chemical
| absorption | ≤0.1 at 260 at 3% |
| ≤0.1 at 280 at 3% | |
| aggregation number | 62 |
| anion traces | chloride (Cl-): ≤500 ppm |
| phosphate (PO43-): ≤10 ppm | |
| assay | ≥98.5% (GC) |
| cation traces | heavy metals (as Pb): ≤10 ppm |
| CMC | 7-10 mM (20-25°C) |
| description | anionic |
| foreign activity | DNase, RNase, none detected |
| grade | for molecular biology |
| HLB | 40 |
| InChI | 1S/C12H26O4S.Na/c1-2-3-4- |
| InChI key | DBMJMQXJHONAFJ-UHFFFAOYSA |
| mol wt | micellar 18,000 |
| mp | 204-207 °C (lit.) |
| product line | BioReagent |
| Redi-Dri™ | |
| quality | free-flowing |
| Quality Level | 100  |
| SMILES string | [Na+].CCCCCCCCCCCCOS([O-] |
| solubility | water: soluble |
| suitability | suitable for electrophoresis |
| technique(s) | electrophoresis: suitable |
| transition temp | cloud point >100 °C |
| Analysis Note: | Tested for use in denatured polyacrylamide gel electrophoresis. |
| Application: | Anionic detergent |
| Application: | Sodium dodecyl sulfate has been used: • in chromatin immunoprecipitation • in SDS-polyacrylamide gel electrophoresis (SDS-PAGE) • as a component of radioimmunoprecipitation assay buffer for immunoblotting |
| General description: | Sodium dodecyl sulfate (SDS) is an anionic detergent suitable to denature proteins. It has a long-chain aliphatic group with negatively charged sulfate attached. This makes SDS an amphipathic detergent. |
| Legal Information: | Redi-Dri is a trademark of Sigma-Aldrich Co. LLC |
| Symbol |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H302 - H315 - H318 - H412 |
| Precautionary statements | P264 - P273 - P280 - P301 + P312 - P305 + P351 + P338 |
| WGK Germany | WGK 2 |
| Flash Point(F) | 338.0 °F |
| Flash Point(C) | 170 °C |
| Purity | ≥98.5% (GC) |
| mp | 204-207 °C (lit.) |