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CAS Number: 68891-38-3 (Sodium laureth sulfate, general)
EC Number: 500-234-8
Molecular Formula: C₁₂H₂₅O(CH₂CH₂O)₂SO₃Na (typical for 2 EO)
Product Type: Anionic surfactant
Synonyms:
Disponil FES 27; Sodium laureth sulfate (2 EO); Sodium lauryl ether sulfate (2 EO); SLES 2; C12-14 Fatty alcohol polyglycol ether sulfate sodium salt; Sodium C12-14 alkyl ethoxy sulfate; BASF Disponil FES 27
Manufacturer: BASF
Chemical Identity and Properties:
Disponil FES 27 IS is an anionic surfactant belonging to the class of fatty alcohol ether sulfates. It is the sodium salt of sulfated ethoxylated C12-14 fatty alcohols with an average of 2 moles of ethylene oxide (2 EO). The product is supplied as a clear liquid with a characteristic mild odor. It is highly soluble in water and exhibits excellent foaming, wetting, emulsifying, and detergent properties .
Physical Properties:
Appearance: Clear, transparent liquid
Active Matter: Approximately 27%
pH Value: 6.4 – 7.5
Sodium Sulfate Content: 0 – 0.5%
Sodium Chloride Content: 0 – 0.5%
Alcohol Type: C12/C14 fatty alcohol
Ethylene Oxide (EO) Content: 2 moles
Ionic Character: Anionic
Form: Liquid
Packaging: 210 kg plastic drums
Shelf Life: 12 months
Product Features and Benefits:
APEO-free: Environmentally friendly alternative to alkylphenol ethoxylate (APEO) emulsifiers
Excellent emulsion stability: Superior to alkyl sulfates in stabilizing emulsion systems
Good detergency: Effective cleaning and soil removal
Excellent foaming properties: Produces rich, stable foam
Good wetting properties: Rapid wetting of surfaces and substrates
Hard water tolerance: Maintains performance in the presence of calcium and magnesium ions
Mildness: Gentle on skin, suitable for personal care applications
Compatibility: Compatible with anionic, nonionic, and amphoteric surfactants
Applications:
1. Personal Care and Cosmetics:
Shampoos: Primary surfactant providing cleansing and foaming
Body washes: Mild cleansing agent with good foam characteristics
Facial cleansers: Gentle cleansing suitable for sensitive skin
Bubble baths: High foaming properties for luxurious bath products
Liquid soaps: Effective cleansing with good skin compatibility
2. Household Cleaning:
Hand dishwashing liquids: Provides excellent grease removal and stable foam
Laundry detergents: Boosts detergency and foam profile
All-purpose cleaners: Effective wetting and cleaning agent
Hard surface cleaners: Removes soil and grease efficiently
3. Polymer Emulsions (Primary Application):
Disponil FES 27 IS is specifically designed as an emulsifier for emulsion polymerization:
Pure acrylic emulsions: Low EO product (2 EO) is particularly suitable for all pure acrylic systems
Styrene-acrylic emulsions: Compatible with styrene-acrylic copolymer systems
Vinyl acetate emulsions: Higher EO grades recommended for polyvinyl acetate systems
Improved emulsion stability: Provides better stability compared to conventional alkyl sulfates
4. Industrial Applications:
Textile processing: Wetting agent and detergent for fiber preparation
Agricultural formulations: Emulsifier for pesticide and herbicide formulations
Metal cleaning: Degreasing and cleaning formulations
Paint and coating additives: Emulsifier and stabilizer
SAFETY INFORMATION ABOUT DISPONIL FES 27 IS
First aid measures:
Description of first aid measures:
General advice:
Consult a physician.
Show this safety data sheet to the doctor in attendance.
Move out of dangerous area:
If inhaled:
If breathed in, move person into fresh air.
If not breathing, give artificial respiration.
Consult a physician.
In case of skin contact:
Take off contaminated clothing and shoes immediately.
Wash off with soap and plenty of water.
Consult a physician.
In case of eye contact:
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
Continue rinsing eyes during transport to hospital.
If swallowed:
Do NOT induce vomiting.
Never give anything by mouth to an unconscious person.
Rinse mouth with water.
Consult a physician.
Firefighting measures:
Extinguishing media:
Suitable extinguishing media:
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
Carbon oxides, Nitrogen oxides (NOx), Hydrogen chloride gas
Advice for firefighters:
Wear self-contained breathing apparatus for firefighting if necessary.
Accidental release measures:
Personal precautions, protective equipment and emergency procedures
Use personal protective equipment.
Avoid breathing vapours, mist or gas.
Evacuate personnel to safe areas.
Environmental precautions:
Prevent further leakage or spillage if safe to do so.
Do not let product enter drains.
Discharge into the environment must be avoided.
Methods and materials for containment and cleaning up:
Soak up with inert absorbent material and dispose of as hazardous waste.
Keep in suitable, closed containers for disposal.
Handling and storage:
Precautions for safe handling:
Avoid inhalation of vapour or mist.
Conditions for safe storage, including any incompatibilities:
Keep container tightly closed in a dry and well-ventilated place.
Containers which are opened must be carefully resealed and kept upright to prevent leakage.
Storage class (TRGS 510): 8A: Combustible, corrosive hazardous materials
Exposure controls/personal protection:
Control parameters:
Components with workplace control parameters
Contains no substances with occupational exposure limit values.
Exposure controls:
Appropriate engineering controls:
Handle in accordance with good industrial hygiene and safety practice.
Wash hands before breaks and at the end of workday.
Personal protective equipment:
Eye/face protection:
Tightly fitting safety goggles.
Faceshield (8-inch minimum).
Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin protection:
Handle with gloves.
Gloves must be inspected prior to use.
Use proper glove
removal technique (without touching glove's outer surface) to avoid skin contact with this product.
Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
Full contact:
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:Dermatril (KCL 740 / Aldrich Z677272, Size M)
Splash contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:Dermatril (KCL 740 / Aldrich Z677272, Size M)
It should not be construed as offering an approval for any specific use scenario.
Body Protection:
Complete suit protecting against chemicals, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection:
Where risk assessment shows air-purifying respirators are appropriate use a fullface respirator with multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backup to engineering controls.
If the respirator is the sole means of protection, use a full-face supplied air respirator.
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).
Control of environmental exposure
Prevent further leakage or spillage if safe to do so.
Do not let product enter drains.
Discharge into the environment must be avoided.
Stability and reactivity:
Chemical stability:
Stable under recommended storage conditions.
Incompatible materials:
Strong oxidizing agents:
Hazardous decomposition products:
Hazardous decomposition products formed under fire conditions.
Carbon oxides, Nitrogen oxides (NOx), Hydrogen chloride gas.
Disposal considerations:
Waste treatment methods:
Product:
Offer surplus and non-recyclable solutions to a licensed disposal company.
Contact a licensed professional waste disposal service to dispose of this material.
Contaminated packaging:
Dispose of as unused product
