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Sodium dodecyl sulfate

Sodium dodecyl sulfate chemical structure
CAS Number151-21-3
FormulaCH3(CH2)11OSO3Na
Mol. Weight288.38 g/mol

What is Sodium dodecyl sulfate?

Sodium dodecyl sulfate is a chemical compound with CAS number 151-21-3 and molecular formula CH3(CH2)11OSO3Na. It is used in various industrial and research applications.

Applications

Anionic detergent

Specifications

Linear Formula

CH3(CH2)11OSO3Na

Molecular Weight

288.38 g/mol

Assay/Purity

≥95.0%

Appearance

anionic

Impurities

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

Density

1.03 g/mL at 20 °C

Solubility

H2O: soluble0.1 M at 20 °C, clear, colorless

Safety Information

GHS02GHS02
GHS05GHS05
GHS07GHS07
Signal Word

Danger

Hazard Statements

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

Precautionary Statements

P210-P261-P273-P280-P305 + P351 + P338

Required PPE

Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges

Melting Point

204-207 °C(lit.)

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

EC Number

205-788-1

WGK Germany

2

Frequently Asked Questions