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A general biochemical reagent often used as a detergent for electrophoresis.
Sodium dodecyl sulphate; Dodecyl sodium sulfate; Dodecyl sulfate sodium salt; Lauryl sulfate sodium salt; SDS


100 g (00100)

250 g (00250)

1PW1200400 1PW1201000
Article No. 05930 Grade AR
Purity 99% CAS No. 151-21-3
Molecular Formula C12H25OSO3Na Molecular Weight 288.38
H.S. Code 2920.9000 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Off white to pale yellow
Odour Slight fatty odour pH value 7.2
Melting point/ Freezing point [°C] 204 - 207 °C Flammability (solid, gas) The substance or mixture is a flammable solid with the subcategory 1
Flash point [°C] >100 °C Density [g/cm3] 0.37
Solubility in water [% weight] Soluble in water Partition coefficient Log Pow octanol / water at 20°C 1.6


Appearance White needles shaped crystals/powder Assay (on anhydrous basis) Min 99%
UV absorbance of 3% aqueous solution; 1 cm; 220 - 350 nm Max 0.1 Chloride (Cl) Max 0.03%
Phosphate (PO4) Max 0.0001% Lead (Pb) Max 0.0002%

Safety Information and Hazard Symbols

Skull and Crossbones Flame Corrosion
Symbol: GHS02, GHS05, GHS06
Signal Word: Danger
UN No.: 2926
IMCO Class No.: 4.1 (6.1)
Packing Group: II
Hazardous Statement: H228-H302-H311-H315-H318-H335
Precaution Statement: P210-P261-P280-P305 + P351 + P338-P312
Revision Date: 04-Jan-2019

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