MilliporeSigma
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71725

Sigma-Aldrich

Sodium dodecyl sulfate

BioUltra, for molecular biology, ≥99.0% (GC)

Synonym(s):
Dodecyl sodium sulfate, Dodecyl sulfate sodium salt, Lauryl sulfate sodium salt, SDS, Sodium lauryl sulfate
Linear Formula:
CH3(CH2)11OSO3Na
CAS Number:
Molecular Weight:
288.38
Beilstein:
3599286
EC Number:
MDL number:
eCl@ss:
39093306
PubChem Substance ID:
NACRES:
NA.25

grade

for molecular biology

Quality Level

description

anionic

product line

BioUltra

assay

≥99.0% (GC)

form

powder

mol wt

micellar avg mol wt 18,000

aggregation number

62

impurities

DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected

loss

≤3% loss on drying, 20 °C (HV)

CMC

7-10 mM (20-25°C)

mp

204-207 °C (lit.)

transition temp

cloud point >100 °C

solubility

H2O: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤200 mg/kg
phosphate (PO43-): ≤1 mg/kg

cation traces

Al: ≤5 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤200 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.1 M in H2O

UV absorption

λ: 260 nm Amax: 0.04
λ: 280 nm Amax: 0.02

SMILES string

[Na+].CCCCCCCCCCCCOS([O-])(=O)=O

HLB

40

suitability

suitable for electrophoresis

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

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Application

Anionic detergent
Sodium dodecyl sulfate is suitable for use in SDS-polyacrylamide gel electrophoresis for the analysis of cell-free translation products.[36]

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

338.0 °F

Flash Point(C)

170 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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