Sodium dodecyl sulfate
SIAL/L4509 - ReagentPlus®, ≥98.5% (GC)
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
EC Number: 205-788-1
MDL Number: MFCD00036175
Linear Formula: CH3(CH2)11OSO3Na
Product Type: Chemical
aggregation number | 62 |
assay | ≥98.5% (GC) |
CMC | 7-10 mM (20-25°C) |
description | anionic |
HLB | 40 |
InChI | 1S/C12H26O4S.Na/c1-2-3-4- |
InChI key | DBMJMQXJHONAFJ-UHFFFAOYSA |
mol wt | micellar avg mol wt 18,000 |
mp | 204-207 °C (lit.) |
product line | ReagentPlus® |
Quality Level | 200 ![]() |
SMILES string | [Na+].CCCCCCCCCCCCOS([O-] |
solubility | water: soluble |
transition temp | cloud point >100 °C |
Application: | Anionic detergent |
Application: | Sodium dodecyl sulphate (SDS) has been used: • in the characterization of Enterobacteriaceae strain based on sensitivity to selective compounds • to treat human skin in vitro and in vivo to evaluate the role of nuclear localization of 27-kDa heat shock protein (HSP27) in potential skin irritation • in the decellularization of porcine heart valve tissue • to treat sperm for in vitro induction of sperm decondensation |
Biochem/physiol Actions: | Sodium dodecyl sulphate (SDS) helps to quickly disrupt the biological membranes. It is usually used as one of the major constituent of several reagents, that are used to purify nucleic acids. SDS can block the activity of RNase and deoxyribonuclease (DNase). |
General description: | Sodium dodecyl sulphate (SDS) is an anionic surfactant. It is also called as lauryl sulphate. |
Legal Information: | ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC |
Packaging: | 1 kg in poly drum |
Packaging: | 10, 25, 100, 250, 500 g in poly bottle |
Symbol | ![]() ![]() ![]() |
Signal word | Danger |
Hazard statements | H228 - H302 + H332 - H315 - H318 - H335 - H412 |
Precautionary statements | P210 - P273 - P280 - P301 + P312 - P304 + P340 + P312 - P305 + P351 + P338 |
Hazard Codes | F,Xn |
Risk Statements | 11-21/22-37/38-41 |
Safety Statements | 26-36/37-39 |
RIDADR | UN1325 - class 4.1 - PG 3 - Flammable solids, organic, n.o.s., H |
WGK Germany | WGK 2 |
Flash Point(F) | 338.0 °F |
Flash Point(C) | 170 °C |
Purity | ≥98.5% (GC) |
mp | 204-207 °C (lit.) |
UNSPSC | 12161900 |