Disodium laureth sulfosuccinate

CAS Number
40754-59-4
EC Number
255-062-3

What is Disodium laureth sulfosuccinate?

Disodium laureth sulfosuccinate (CAS 40754-59-4) is a mild anionic surfactant used in personal care and industrial formulations for foaming, emulsifying, and cleansing.

Where is Disodium laureth sulfosuccinate used?

  • Personal care: primary or co-surfactant in shampoos, body washes, and baby care products requiring mildness and stable foam
  • Textile and leather processing: wetting and scouring agent for uniform dye penetration and soil removal
  • Coatings and adhesives: emulsification and dispersion stability of polymer systems
  • Paper industry: surface treatment and process aids for controlled foaming and wetting
  • It is compatible with other surfactants in complex blends.

Good to know: Unlike harsher sulfate-based surfactants, it delivers effective surface activity with a gentler profile.

Commercial specifications

  • Aqueous solution, active concentrations commonly 30% to 40%
  • Bulk supply in drums or intermediate bulk containers (IBCs)

Other Names (Synonyms)

Disodium 4-oxo-2-sulfonato-5,8,11,14-tetraoxahexacosan-1-oate|Butanedioic acid, 2-sulfo-, 4-[2-[2-[2-(dodecyloxy)ethoxy]ethoxy]ethyl] ester, sodium salt (1:2)|Disodium;4-[2-[2-(2-dodecoxyethoxy)ethoxy]ethoxy]-4-oxo-2-sulfonatobutanoate

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What are the physical properties of Disodium laureth sulfosuccinate?

Boiling Point 100°C[at 101 325 Pa]
Density 1.165[at 20℃]
Water Solubility 120.9μg/L at 25℃
Vapor Pressure 0Pa at 25℃
Log P 3.66

How is Disodium laureth sulfosuccinate classified and handled safely? Learn More

Danger
GHS05· Corrosive GHS07· Irritant

Hazard Statements

H302 Harmful if swallowed
H315 Causes skin irritation
H318 Causes serious eye damage
H319 Causes serious eye irritation

Precautionary Statements

P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P317 Get emergency medical help.
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