Sodium Dodecyl Sulfate 98% Ultrapure


Minimum Assay >99%
Molecular Formula: C12H25NaO4S
Molecular Weight: 288.38
Melting Point: 206°C
Copper (Cu):  <2ppm
Iron (Fe):  <2ppm
Lead (Pb):  <2ppm
Homologous Alcohol Sulfates: <1%
Phosphate <1ppm
Water (karl fischer): <1%
Chloride (Cl): <0.01%
Absorbance (3% aq soln): 
220nm to 350nm <0.05au
Solution in ethanol: (1%) clear and colourless

Hazard Class: 4.1

Packing Group: 3

Hazard Phrases: Flammable solid. Causes skin irritation. Causes serious eye damage. May cause respiratory irritation. Harmful to aquatic life with long lasting effects.

Prec Phrases: Keep away from heat/sparks/open flames/hot surfaces. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. In case of fire: Use


Cas No: 151-21-3
Einecs No: 205-788-1
FP: 180

HS CODE: 3402110000


Following the UK’s departure from the EU on 1 January 2021, all European shipments are sent on a DAP Basis (Delivered at Place).

This means that the buyer will be liable for import VAT at their prevailing national rate and for orders over 150€ (including carriage) import duties will become chargeable at your prevailing national rate.

The Duty is ascertained by your national customs authority based on the HS Code of each product. The HS Code is shown in the “European Shipment” section of each product page.


Additional information

Weight N/A
Pack Size

50gm, 100gm, 250gm, 500gm, 1Kg