How to store Tween T-20 coconut fatty acid? What is the shelf life?

Tween T-20 coconut fatty acid should be stored sealed in a cool, dry, and well-ventilated environment. The recommended storage temperature is 5°C to 35°C. Under recommended conditions, the shelf life is 24 months from the date of production.

Detailed Description

Tween T-20 coconut fatty acid (Polyoxyethylene (20) sorbitan monococonutate) is a chemically stable nonionic surfactant, appearing as a light yellow to amber viscous liquid at room temperature. To ensure the product quality remains optimal throughout its usage cycle, controlling the storage environment is crucial. This product has strong hygroscopicity. If exposed to air for a long time after opening, it may absorb moisture and cause performance degradation. Therefore, sealing is the core point of storage management.

In terms of temperature management, it is recommended to store the product at 5°C to 35°C. Too low temperature may cause a significant increase in viscosity or even solidification, affecting ease of use; while too high temperature or direct sunlight may accelerate the oxidation process, leading to darker color. If the product becomes cloudy or layered at low temperature, it is usually a physical change. After returning to room temperature and stirring evenly, it can generally be used normally.

In addition, the product should be kept away from incompatible substances such as strong oxidizers, strong acids, and strong bases to prevent chemical reactions that could affect product quality. The storage area is recommended to have impermeable flooring and be equipped with spill containment facilities to handle accidental spills.

Technical Parameters

Application Recommendations

During daily use, it is recommended to follow the "first in, first out" inventory management principle, prioritizing the use of earlier batches. After each use, immediately close the container tightly to minimize product contact with air. If using a repackaging method, the repackaging container must also be clean, dry, and well-sealed.

For users who purchase in bulk, it is recommended to regularly check the sensory state of the inventory products (such as color, transparency, fluidity, etc.). If any abnormal odor, severe discoloration, or irreversible layering is found, discontinue use and contact the supplier for confirmation.

Precautions

• After opening, reseal as soon as possible to prevent moisture absorption and contamination, and avoid prolonged exposure to humid air.
• The storage area should have impermeable flooring and be equipped with appropriate spill containment facilities.
• Empty containers may contain product residue and should not be used for storing other materials until thoroughly cleaned.
• Spilled product may cause a slipping hazard. In case of leakage, clean up immediately with an inert absorbent material (such as sand, vermiculite, or universal absorbent pad).
• Products beyond the shelf life should be disposed of in accordance with applicable local, national, and federal regulations. Do not discharge into sewers, surface water, or groundwater.