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Sigma-Aldrich

Sodium Dodecyl Sulfate (SDS)

anionic, electrophoresis grade

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Synonym(s):
Dodecyl sodium sulfate, Dodecyl sulfate sodium salt, Lauryl sulfate sodium salt, SDS, Sodium Dodecyl Sulfate (SDS), Sodium lauryl sulfate
Empirical Formula (Hill Notation):
C12H25NaO4S
CAS Number:
151-21-3
Molecular Weight:
288.38

Assay

≥97% (GC)

form

powder

mol wt

288.38 g/mol

packaging

pkg of 1 kg

manufacturer/tradename

Roche

technique(s)

HPLC: suitable
LC/MS: suitable

solubility

H2O: soluble (clear solution (100 mg/ml in H2O))

absorption

≤0.1 at 280 nm in water at 30 mg/mL

shipped in

ambient

storage temp.

20-25°C

InChI

1S/C12H26O4S.Na/c1-2-3-4-5-6-7-8-9-10-11-12-16-17(13,14)15;/h2-12H2,1H3,(H,13,14,15);/q;+1/p-1

InChI key

DBMJMQXJHONAFJ-UHFFFAOYSA-M

Related Categories

General description

Pure quality, particularly suited for SDS-gel electrophoresis.

Application

Suitable in most routine electrophoretic applications as a denaturing agent for proteins.

Quality

Purity: ≥99.5 alkyl sulfate, ≥97% dodecyl sulfate (GC)
Contaminants: ≤5 ppm Pb (AA), ≤0.5% Cl (AA)

C12 fatty acids: >97% (after saponification)
Ease of removal*: –
Critical micellar concentration: 8.3 mM at +25°C
Formula: C12H25NaSO4

Preparation Note

Working concentration: > 10 mg detergent per mg protein

Other Notes

For life science research only. Not for use in diagnostic procedures.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 - Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Eye Dam. 1 - Flam. Sol. 2 Oral - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 2

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