Question

What are the storage conditions for Polyether L-45?

Answer
2026-05-17 官方文档 聚醚L-45

Polyether L-45 should be stored in a cool, dry, and well-ventilated environment, with temperature controlled between 5–35°C, containers kept sealed and away from heat sources and ignition sources.

Detailed Description

Polyether L-45 (a poloxamer-type nonionic surfactant) storage conditions directly affect the chemical stability and usage safety of the product. This product is hygroscopic and may deteriorate in high temperature or humid environments, so clear requirements for the storage environment are necessary.

The storage warehouse should be kept cool, dry, and well-ventilated, and must be away from heat sources, sparks, open flames, and other potential ignition sources. Although Polyether L-45 is not classified as a flammable dangerous good, it may decompose at high temperatures and produce harmful gases, so fire prevention measures cannot be ignored. At the same time, the warehouse should be equipped with spill collection facilities and appropriate emergency response tools to respond promptly in case of accidental leakage.

Regarding container management, containers must always be kept sealed to prevent the product from absorbing moisture or being contaminated during prolonged exposure to air. The product should be stored separately from incompatible substances such as strong oxidizers, strong acids, and strong alkalis to avoid adverse reactions. During transfer and storage, equipment should be properly grounded and equipotentially bonded to prevent electrostatic accumulation and safety hazards. Empty containers, which may still contain harmful residues, should not be used for other purposes.

Summary of Key Storage Conditions

Storage ElementSpecific Requirement
Environmental ConditionCool, dry, well-ventilated warehouse
Temperature Range5–35°C, avoid drastic temperature fluctuations or freezing
Container StatusKeep sealed to prevent moisture absorption and contamination
Materials to Keep Away FromHeat sources, sparks, open flames, and other ignition sources
Incompatible SubstancesStrong oxidizers, strong acids, strong alkalis
Anti-static MeasuresGrounding and equipotential bonding of equipment
Area IdentificationClear safety signage, spill collection facilities

Application Recommendations

In actual storage management, it is recommended to regularly check the container seal and warehouse temperature and humidity, especially during seasonal transitions to monitor whether temperature fluctuations exceed the 5–35°C range. In northern regions, winter freezing of the product should be prevented, while in southern rainy seasons, dehumidification measures should be enhanced. A dedicated storage area should be designated, maintaining safe distances from other chemicals, and entry/exit records should be established for batch traceability.

Precautions

  • If the product has been exposed to freezing temperatures, allow it to naturally warm up to room temperature and mix thoroughly before use; do not directly heat to thaw.
  • Eating, drinking, or smoking is prohibited in the warehouse; operators must wash hands thoroughly after contact with the product.
  • Empty containers may still contain harmful residues; they should be disposed of by qualified waste treatment organizations according to local regulations, and must not be reused for civilian purposes.
  • Before using after long-term storage, it is recommended to check the product appearance (should be a colorless to slightly yellow transparent liquid). If any abnormality such as turbidity, stratification, or off-odor occurs, stop use and contact the supplier.