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Sodium Potassium Cumene Sulfonate 40%
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Description
Sodium Potassium Cumene Sulfonate 40%
Other Names: Cumene sulfonate sodium potassium salt, Aromatic sulfonate blend, Cumenesulfonic acid salt solution
CAS Number: 28085-69-0
Sum Formula: C₉H₁₁SO₃K·C₉H₁₁SO₃Na (approximate blend)
Molar Mass: Mixture – variable (each salt approx. 216–240 g/mol)
Appearance: Clear to slightly yellow liquid
Sodium Potassium Cumene Sulfonate is a high-purity aromatic sulfonate surfactant blend used in a wide range of industrial applications. Supplied as a 40% aqueous solution, it functions primarily as a hydrotrope—enhancing solubility and compatibility of hydrophobic substances in water-based systems.
Chemical and Physical Properties
Concentration: 40% active matter (w/w)
Density: ~1.18–1.22 g/cm³ (at 20°C)
pH (10% solution): ~7.0–9.0
Solubility in Water: Fully miscible
Odor: Mild or faintly aromatic
Boiling Point: Approx. 100°C (aqueous solution)
Applications
Industrial Cleaners: Enhances performance of surfactants in alkaline and neutral formulations
Detergents & Degreasers: Used to stabilize complex mixtures in hard surface cleaning
Textile Processing: Improves dispersibility of hydrophobic dyes and auxiliaries
Paints and Coatings: Enhances compatibility of resin solutions and pigment slurries
Chemical Manufacturing: Used as solubilizer and formulation aid for hydrophobic additives
Safety
Signal Word: Warning
Hazard Statements:
H319: Causes serious eye irritation
Precautionary Statements:
P280 Wear protective gloves/protective clothing/use eye/face protection
face/face protection.
P305+P351+P338 IN CASE OF CONTACT WITH EYES: Wash gently with water for several minutes. Remove contact lenses, if present and if easy to do so. Continue to wash eyes.
P337+P313 If eye irritation persists: seek medical advice.
First Aid Measures
Eye Contact: Rinse with plenty of water for at least 15 minutes. Seek medical attention if irritation continues
Skin Contact: Wash exposed skin with soap and water. Remove contaminated clothing
Inhalation: Move person to fresh air. Seek medical advice if respiratory discomfort develops
Ingestion: Rinse mouth. Do not induce vomiting. Seek medical advice if symptoms occur
Handling and Storage
Storage Conditions: Store in a cool, dry, well-ventilated area in tightly closed containers. Avoid exposure to heat and incompatible substances
Handling Precautions: Use protective equipment to prevent eye and skin contact. Ensure good ventilation in work area