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Sodium Dodecylbenzenesulfonate

Sodium Dodecylbenzenesulfonate

Basic Information

CAS No.: 69669-44-9
Molecular Formula: C18H29NaO3S
Molecular weight: 348.48

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Product Details

Sodium Dodecylbenzenesulfonate, with the chemical formula C18H29NaO3S, is a white crystalline powder. It is a common anionic surfactant, soluble in water, with good detergency and foaming properties, widely used in detergents and industrial fields.


Chemical Properties

Key attributeValue
FormPowder
ColorLight yellow
Water solubilityAlmost transparency
Merck14,8612
HLB Value11.7
CAS Database Reference69669-44-9 (CAS DataBase Reference)
EPA Chemical InformationBenzenesulfonic acid, C10-14-alkyl derivs., sodium salts (69669-44-9)


Safety Information

Key attributeValue
Hazard SymbolsXn
Risk Codes22-37/38-41
Safety Descriptions26-27-36/37/39
WGK Germany2
RTECS NumberDB6825000
TSCATSCA listed
HS Code2904.10.3700

Product Usage:
SDBS is an anionic surfactant widely used as a detergent and wetting agent.

Household & Industrial Cleaning: Laundry powders/liquids, dishwashing detergents, all-purpose cleaners, and degreasers (excellent oil removal and foaming properties).

Textile Industry: Scouring, wetting, and dyeing auxiliaries (removes oils and waxes from fibers).

Emulsion Polymerization: Emulsifier for producing acrylics, styrene-butadiene rubber (SBR), and PVC resins.

Agricultural Chemicals: Emulsifier in pesticide and herbicide formulations.

Personal Care: Shampoos and body washes (secondary surfactant, foam booster).

Oilfield Chemicals: Enhanced oil recovery (EOR) and drilling fluid additives.

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