Basic Information of Sodium dodecylbenzene sulfonate (CAS 25155-30-0)

Product name: Sodium dodecylbenzenesulfonate; SDBS

Molecular formula: C18H29O3SNa

Molecular weight: 348.48

EINECS：246‑680‑4

Physicochemical properties

Appearance: White to light yellow powder / flakes / granules

Solubility: Soluble in water, forming a translucent solution that easily foams

pH (1% aqueous solution): 7.0–10.5

Performance: Anionic surfactant, featuring degreasing, foaming, wetting, emulsifying, dispersing, and antistatic properties; resistant to alkali and dilute acids; biodegradation rate >90%

Common product specifications: LAS-60, LAS-90 (active ingredient content)

Specification

Main use

Detergent: Core ingredient for household/industrial cleaning agents, laundry detergents, and dishwashing liquids, with strong stain removal and low cost.

Emulsifying dispersant: Emulsion polymerization, pressure-sensitive adhesives, pesticide emulsion systems.

Textile auxiliaries: cleaning agents, anti-static agents, and dyeing penetration agents.

Used as dispersing wetting agents in oilfields, coatings, papermaking, and leather processing.

*  LAS-90 high-content powder requires stricter moisture control; LAS-60/70 is primarily used in laundry detergents and industrial cleaning; LAS-80/90 is mainly applied in emulsification, dispersion, and export formulations

Safety Notes

Irritating to the eyes and skin; rinse immediately with plenty of water in case of eye contact.

The solid sealant should be stored in a cool, dry place, away from moisture.

Packaging

10kg/bag,12.5kg/bag or as customer's requirements

Storage

(1) Stored in a cool and dry well-closed container and in ventilated area.

(2) kept away from moisture and strong light or high temperature.

(3) Two years under well storage situation and stored away from direct sun light.