CAS 27176-87-0|C₁₈H₃₀O₃S

DDBSA — Dodecylbenzenesulfonic Acid

96% technical-grade anionic surfactant acid — primary feedstock for LAS detergents, industrial cleaners, and emulsifiable concentrate formulations.

Active Content

96% min

Flash Point

>150 °C

DOT Class

8 — Corrosive

Packaging

Drum / Tote / Bulk

Physical Properties

Molecular FormulaC₁₈H₃₀O₃S
Molecular Weight326.49 g/mol
CAS Number27176-87-0
Active Content96% min (technical grade)
Boiling Point>300 °C (decomposes)
Flash Point>150 °C (302 °F)
Density1.06–1.07 g/cm³ at 20 °C
Viscosity~2,000 mPa·s at 25 °C
Solubility in WaterSoluble (forms anionic surfactant)
pH (1% solution)<1 (strong acid)
Color (Gardner)8–12 max
Sulfuric Acid Content≤2.0%
C₁₂H₂₅SO₃HC₁₈H₃₀O₃S | CAS 27176-87-0

Grades & Packaging

IndustrialTechnical Grade (96%)
55-gal Drums275-gal TotesBulk Tanker

Industrial Applications

Detergent Manufacturing

Primary feedstock for linear alkylbenzene sulfonate (LAS) detergents. Neutralized with NaOH or TEA to produce anionic surfactants for household and industrial cleaners.

Industrial Cleaners

Active ingredient in heavy-duty industrial degreasers, parts washers, and metal cleaning formulations.

Emulsification

Emulsifier and wetting agent in agricultural chemical formulations, emulsifiable concentrates, and oil-in-water emulsions.

Catalyst Applications

Acid catalyst for esterification, alkylation, and condensation reactions in chemical manufacturing.

Textile Processing

Wetting agent and scouring agent in textile preparation and dyeing processes.

Oilfield Chemicals

Surfactant component in drilling fluids, stimulation fluids, and enhanced oil recovery formulations.

Safety & Regulatory

NFPA Health3 — Serious hazard (corrosive)
NFPA Flammability1 — Slight hazard
NFPA Reactivity1 — Slight hazard
OSHA PEL (TWA)No established PEL (as sulfonic acid)
DOT Hazard Class8 — Corrosive
UN NumberUN 2584
Packing GroupIII
PPE RequiredAcid-resistant gloves, face shield, apron

Corrosive Material — Handle with Care

DDBSA is a strong acid. Use acid-resistant gloves, face shield, and protective clothing. Avoid contact with skin, eyes, and mucous membranes. SDS available upon request.

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96% technical grade in bulk drums, totes, and tanker delivery across Texas and the Gulf Coast.

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