Span S-20 coconut fatty acid (sorbitan coconut fatty acid ester) is not a hazardous chemical. It is chemically stable under normal temperature and pressure, non-flammable, and not classified as dangerous goods. Toxicological evaluation shows: acute oral toxicity in rats LD50 > 5 g/kg, classified as practically non-toxic; rabbit skin irritation test PII = 0, non-irritating; eye irritation: non-irritating; skin sensitization: no sensitization reaction observed. The product has excellent overall safety, but unnecessary direct contact should still be avoided.
It is recommended to wear chemical safety goggles and ordinary work clothes during handling. Although the product is non-irritating to skin and eyes, unnecessary direct exposure should still be prevented. Wash hands thoroughly after handling. Keep the workplace well ventilated. Avoid inhalation of product vapors or mists. If aerosols are generated during operation, use local exhaust ventilation or wear respiratory protection. Strictly comply with environmental regulations and do not discharge the product directly into sewers or the natural environment.
| Type of Contact | Emergency Measures |
|---|---|
| Skin Contact | Wash skin thoroughly with soap and water, remove contaminated clothing. Seek medical attention if symptoms occur. |
| Eye Contact | Immediately rinse with plenty of water or saline for at least 15 minutes, lifting upper and lower eyelids. If irritation persists, consult an ophthalmologist. |
| Inhalation | Move the person to fresh air and keep breathing unobstructed. Seek medical attention if discomfort occurs. |
| Ingestion | Rinse mouth with water, do not induce vomiting, seek immediate medical attention or contact a poison control center. |
| Spill Handling | Collect spill with inert absorbent material (e.g., sand, sawdust), place in a sealed container and dispose of according to local regulations. Clean contaminated area with water and detergent. |
| Firefighting Measures | The product itself is non-flammable, but can use water, foam, dry powder, or carbon dioxide extinguishers for surrounding fires. Firefighters should wear self-contained breathing apparatus. |
The product should be stored in a cool, dry, well-ventilated warehouse, away from heat sources and ignition sources. Keep containers tightly closed to prevent moisture ingress or contamination. Avoid storage with incompatible substances such as strong oxidizers and strong acids. Recommended storage temperature is 5–40°C, avoid repeated freeze-thaw cycles that may affect product quality.
Dispose of in accordance with local, national, and international waste management regulations. May be incinerated or biologically treated by licensed chemical waste disposal companies. Do not discharge without treatment.
The above safety information is general guidance. Before specific operations, please refer to the Safety Data Sheet (SDS) and product specification sheet for the most complete and up-to-date safety data.