Question

What safety precautions should be taken when using emulsifier A-110, oleic acid polyoxyethylene ester, OEO-110?

Answer

Emulsifier A-110 is classified as a low-toxicity non-hazardous substance. Under normal use, it has a high safety margin, but basic chemical handling procedures must still be followed, with emphasis on eye and skin protection. The storage temperature should be controlled between 5°C and 35°C.

Detailed Description

Emulsifier A-110 (oleic acid polyoxyethylene ester · OEO-110) is a nonionic surfactant classified by GHS as a non-hazardous substance or mixture. Its acute oral toxicity LD50 (rat) is >2000 mg/kg, which is practically non-toxic, with no sensitization or mutagenicity. Under normal use conditions, it does not cause significant acute health hazards and has a high operational safety margin.

Although the toxicity is very low, this product has slight irritancy to skin and eyes. Therefore, caution must still be exercised during handling. It is recommended to wear chemical protective gloves (e.g., nitrile rubber, thickness >0.3 mm, breakthrough time >480 min) and close-fitting safety goggles. If there is a risk of splashing, impermeable work clothing should also be worn. Hands and any other potentially contacted areas must be thoroughly washed after handling. Eating, drinking, or smoking is prohibited in the work area.

The product has good biodegradability and can decompose relatively quickly in the environment after use, with minimal ecological impact. However, it must not be disposed of by pouring into sewers or water bodies. Disposal should be carried out by a licensed waste treatment facility in accordance with local and national regulations, with incineration being the recommended method.

Safety Technical Parameters

ItemParameter
GHS ClassificationNon-hazardous substance or mixture
Acute Oral Toxicity LD50 (rat)>2000 mg/kg
Skin IrritationSlight irritation
Eye IrritationSlight irritation
Skin SensitizationNo sensitization
MutagenicityNo mutagenicity
Aquatic Ecotoxicity LC50/EC50>10 mg/L
BiodegradabilityEasily biodegradable
Recommended Storage Temperature5°C to 35°C
Transport Hazard ClassificationNot classified as dangerous goods (UN/IMDG/IATA)

Safe Handling and Storage Recommendations

Personal Protective Equipment (PPE): Before handling, familiarize yourself with the substance's properties and strictly follow chemical safety operating procedures. For hand protection, use butyl rubber or nitrile rubber gloves (thickness >0.3 mm). Wear close-fitting safety goggles or a face shield for eye protection. If ventilation is insufficient or in the presence of aerosols or heating operations, use appropriate respiratory protection (e.g., respirator with organic vapor cartridges). Eyewash stations and emergency showers should be available in the work area.

Storage Requirements: Store in a cool, dry, well-ventilated warehouse, away from heat and ignition sources. Keep containers tightly closed and avoid contact with strong oxidizers. The recommended storage temperature is 5°C to 35°C. Prevent freezing or excessively high temperatures that could cause product deterioration. The storage area should be equipped with spill containment trays or dikes to prevent leakage. Avoid storage with food or feed.

Transportation Notes: This product is not classified as dangerous goods, so transport conditions are relatively relaxed. During transport, ensure containers are sealed to prevent leakage. Avoid transporting in the same vehicle with strong oxidizers. No special regulatory requirements.

First Aid and Emergency Procedures

  • Skin Contact: Immediately remove contaminated clothing and wash skin with plenty of soap and water. If irritation persists, seek medical attention.
  • Eye Contact: Immediately flush eyes with plenty of water for at least 15 minutes, lifting eyelids to ensure thorough rinsing. If continued stinging or redness occurs, seek medical attention.
  • Inhalation: Move the person to fresh air and keep the airway clear. If discomfort occurs, seek medical attention.
  • Ingestion: Do not induce vomiting. Rinse mouth with water and then drink 1-2 glasses of water. If symptoms develop, seek medical attention.
  • Spill Handling: For small spills, absorb with inert material (e.g., sand, vermiculite) and collect into a sealed container. For large spills, contain to prevent entry into sewers or waterways. Use pumps to transfer to emergency containers, and treat residues with absorbents. Wear appropriate protective equipment throughout and ensure good ventilation.
  • Firefighting Measures: Suitable extinguishing media: water fog, alcohol-resistant foam, dry powder, carbon dioxide. Combustion may release carbon monoxide, carbon dioxide, and other irritating vapors. Firefighters must wear self-contained positive-pressure breathing apparatus and full protective gear.