71725

Sigma-Aldrich

Sodium dodecyl sulfate

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

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

Quality Level

grade

for molecular biology

description

anionic

product line

BioUltra

assay

≥99.0% (GC)

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

SDS-polyacrylamide gel electrophoresis for the analysis of cell-free translation products
Anionic detergent

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN1325 - class 4.1 - PG 3 - Flammable solids, organic, n.o.s., HI: all

WGK Germany

WGK 2

Flash Point(F)

338.0 °F

Flash Point(C)

170 °C

Certificate of Analysis

Certificate of Origin

Characterization of in vitro translation products.
R Jagus
Methods in enzymology, 152, 296-304 (1987-01-01)
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