Sodium cumene sulfonate solution (40% aqueous)

CAS No.

28348-53-0

Synonyms

SCS; Sodium isopropylbenzenesulfonate; also listed as Sodium Cumene Sulfonate (SCS)

Molecular formula

C9H11NaO3S (sodium cumene sulfonate)

Molecular weight

222.24 g/mol (sodium cumene sulfonate)

Grade

Industrial grade

Packaging

HDPE bottle / HDPE drum
SKU FM-289 Category

Chemical Product Description & Applications

Sodium cumene sulfonate is an anionic hydrotrope used to improve the compatibility of ingredients in aqueous cleaning formulations. It helps couple surfactants and other sparingly water-compatible components into water-rich systems, supports solution clarity and can reduce excessive viscosity. Its main role is formulation coupling rather than the primary removal of oily soil.

The 40% aqueous grade is a pourable concentrate that can be incorporated directly into the water phase. The aromatic sulfonate structure provides water solubility together with limited affinity for organic ingredients. Hydrotropic action is useful in concentrated cleaners containing surfactants, builders and electrolytes, where otherwise incompatible components can cloud, separate or form difficult-to-handle viscous phases.

Typical Applications

  • Concentrated hard-surface cleaners: Used to maintain compatibility between surfactants, solvents and alkaline builders in cleaners for floors, kitchens and industrial surfaces. The hydrotrope helps keep the concentrate uniform before dilution.
  • Liquid dishwashing formulations: Used as a coupling and viscosity-control ingredient in surfactant-rich dishwashing liquids. It assists the preparation of clear, pourable products when the surfactant and electrolyte balance would otherwise produce cloudiness or excessive thickening.
  • Industrial detergent concentrates: Used in heavy-duty liquid detergents and formulated stripping cleaners containing substantial dissolved salts or organic components. Its contribution is improved concentrate compatibility and handling, while the main detergent system supplies cleaning activity.

Specifications

Parameter Specification Test Method
Appearance Clear colorless to pale yellow liquid Visual inspection
Identification Active-component fingerprint matches reference Chromatographic or spectroscopic reference comparison
Active hydrotrope 39.0-41.0% w/w Calibrated HPLC-UV
Sodium sulfate ≤1.0% w/w Ion chromatography
pH, 10% aqueous dilution at 25 C 7.0-9.0 Calibrated pH meter
Color ≤100 APHA Platinum-cobalt colorimetry

Specifications describe the standard grade. Tolerance, test method and documentation package are confirmed per order.

Documents & Handling

Packaging

HDPE bottle / HDPE drum

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CoA

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TDS

Technical Data Sheet

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SDS

Safety Data Sheet

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