Sodium dodecyl sulfate

Name: Sodium dodecyl sulfate
Brand: MM

for ion pair chromatography LiChropur^™

Synonym(s):

Dodecyl hydrogen sulfate sodium salt, Lauryl sulfate sodium salt, SDS, Dodecyl sodium sulfate

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About This Item

Empirical Formula (Hill Notation):

C₁₂H₂₅NaO₄S

CAS Number:

151-21-3

Molecular Weight:

288.38

UNSPSC Code:

12352107

EC Index Number:

205-788-1

NACRES:

NB.21

MDL number:

MFCD00036175

Product Name

Sodium dodecyl sulfate, for ion pair chromatography LiChropur^™

Quality Level

100

SMILES string

[Na+].[S](=O)(=O)([O-])OCCCCCCCCCCCC

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

assay

≥99% (acidimetric)

potency

1427 mg/kg LD₅₀, oral (Rat)
>2000 mg/kg LD₅₀, skin (Rabbit)

greener alternative product characteristics

Catalysis
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technique(s)

ion pair chromatography: suitable

impurities

≤2% water (Karl Fischer)

transmittance

200 nm, ≥70%
220 nm, ≥90%
250 nm, ≥98%
(0.005 M; 1 cm in H₂O)

pH

6.0-7.5 (20 °C, 100 g/L in H₂O)

mp

204-207 °C

transition temp

flash point >150 °C

solubility

>130 g/L

density

1.1 g/cm³ at 20 °C

bulk density

490‑560 kg/m³

suitability

passes test for identity (IR)

greener alternative category

Aligned

storage temp.

2-30°C

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Application

Sodium dodecyl sulfate can be used as an ionpair reagent and disperser agent in ion pair-based surfactant-assisteddispersive liquid–liquid micro extraction (IP-SA-DLLME) method for chromiumspeciation analysis.

General description

Sodium dodecyl sulfate (SDS) is commonly used asan ion pair reagent in ion pair chromatography.

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Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

pictograms

GHS02,GHS05,GHS07

signalword

Danger

hcodes

H228 - H302 + H332 - H315 - H318 - H335 - H412

pcodes

P210 - P273 - P280 - P301 + P312 - P304 + P340 + P312 - P305 + P351 + P338

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

4.1B - Flammable solid hazardous materials

wgk

WGK 2

flash_point_f

338.0 °F

flash_point_c

170 °C

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Selective and sensitive speciation analysis of Cr (VI) and Cr (III) in water samples by fiber optic-linear array detection spectrophotometry after ion pair based-surfactant assisted dispersive liquid--liquid microextraction

Yousefi SM and Shemirani F

Journal of Hazardous Materials, 254, 134-140 (2013)

Ion-pair switchable-hydrophilicity solvent-based homogeneous liquid--liquid microextraction for the determination of paraquat in environmental and biological samples before high-performance liquid chromatography

Rahimi K, et al.

Journal of Separation Science, 40(18), 3703-3709 (2017)