Ufaryl (Thony) P‑85
Ufaryl P‑85 is a high-activity (~85%) linear alkylbenzene sulfonate (LAS) anionic surfactant supplied as a free-flowing powder. It is specifically designed for use in cleaning products, particularly toilet cleaner blocks and powdered detergents. Ufaryl P‑85 provides excellent detergency, foaming, and wetting properties, with good biodegradability. Its balanced particle density makes it ideal for tablet, block, and powder formulations.
Primary Uses
Toilet Cleaner Blocks & Powder Detergents
Acts as the main cleaning and foaming agent, providing effective removal of greasy stains and controlled surfactant release.
Laundry Detergents
Used in powder and tablet detergents to deliver excellent cleaning performance, especially in removing oils and soils.
Hard Surface Cleaning
Incorporated in formulations for floor cleaners and general purpose cleaning powders, enhancing foam stability and cleaning power.
Secondary Uses
Manual Dishwashing Liquids and Car Wash Shampoos
Provides good grease-cutting and foaming properties for manual cleaning applications.
Industrial and Institutional Cleaners
Used in soil-removing formulations for industrial settings, helping disperse dirt and prevent redeposition.
Shampoos and Personal Care Products
Used in low-irritancy formulations for gentle cleansing, particularly in products for sensitive skin.
Liquid Degreasers
Acts as a surfactant to break down oily and bituminous residues in industrial degreasing cleaners.
Chemical Name (IUPAC): Benzenesulfonic acid, C10–13-alkyl derivatives, sodium salt
Common/Trade Name: Ufaryl P‑85 (Thony P‑85)
CAS Number: 68411-30-3
HS Code: 3402.13.00
Synonyms: Sodium linear alkylbenzene sulfonate (LAS-Na)
Physical & Chemical Properties
Physical State: Free-flowing powder
Color & Odor: Ivory-white; mild sulfonate odor
Active Content: Approximately 85% LAS
Solubility: Readily soluble in water, including cold water
Biodegradability: Readily biodegradable due to linear alkyl chain
Safety & Hazard Attributes
GHS Classification: Skin and eye irritant; may cause serious eye damage
Toxicity: Low systemic toxicity; potential for skin and eye irritation upon contact
Exposure Limits: Standard industrial hygiene practices recommended; control dust exposure
Storage & Handling Attributes
Storage Conditions: Store in a cool, dry, well-ventilated area
Container Type: Bags or cartons (commonly 25 kg)
Shelf Life: Approximately 12 months if stored sealed and dry
Handling Precautions: Avoid dust generation; use gloves and eye protection
Regulatory & Compliance Attributes
Complies with REACH, TSCA, and major global chemical inventories
Recognized as readily biodegradable surfactant under environmental regulations
Suitable for use in detergent and cleaning product formulations meeting relevant standards
Environmental & Health Impact
Biodegradability: High, owing to linear alkyl structure
Ecotoxicity: Toxic to aquatic organisms if released undiluted
Bioaccumulation: Negligible
PPE Required: Dust mask, gloves, safety goggles
Handling Guidelines: Use in well-ventilated areas; minimize dust exposure
Storage Measures: Keep packaging sealed and dry; protect from moisture
First Aid Measures
Inhalation: Move to fresh air; seek medical attention if symptoms occur
Skin Contact: Wash with soap and water
Eye Contact: Rinse thoroughly with water for at least 15 minutes; seek medical care if irritation persists
Ingestion: Rinse mouth; drink water; obtain medical advice if necessary
Firefighting Measures
Fire Hazards: Non-flammable
Extinguishing Media: Water spray, foam, dry chemical
Hazardous Combustion Products: May include sulfur oxides and carbon monoxide under fire conditions

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