According to safety data in the Guoli Chemical product database, the primary risk of Tween-81 regarding human health hazards is serious eye irritation (H319), classified as GHS eye irritation Category 2 with the signal word "Warning." Under normal industrial and daily chemical usage conditions, the acute toxicity of this product is low, and it is not classified as highly toxic or carcinogenic. However, direct contact with eyes may cause significant irritation and discomfort; prolonged or repeated skin contact may also cause mild irritation. In case of accidental ingestion, seek immediate medical attention and do not induce vomiting.
Regarding environmental impact, Tween-81, as a polyoxyethylene sorbitan monooleate nonionic surfactant, has ester and ether bonds in its molecular structure that can be gradually degraded by microorganisms in the natural environment, and it is generally considered biodegradable. However, the database does not provide specific ecotoxicological data for this product (such as LC50/EC50 values). As a surfactant, if it enters water bodies in large quantities, it may have certain effects on aquatic organisms (e.g., fish, algae); therefore, the leak handling instructions explicitly require "avoid entry into sewers or water bodies."
Overall, under the premise of following standard operating procedures and proper handling, the risks of Tween-81 to human health and the environment are controllable. Industrial users should strictly comply with the protection and disposal requirements in the safety instructions. For ordinary consumers using end products containing this ingredient (such as cosmetics and food), the concentration is within a safe range, and there is no need for excessive concern.
| Item | Content |
|---|---|
| GHS Hazard Classification | Eye Irritation (Category 2), H319 |
| Pictogram | GHS07 (Exclamation mark) |
| Signal Word | Warning |
| Main Health Hazard | Causes serious eye irritation |
| Acute Toxicity (Oral/Dermal) | No specific LD50 data available (classified as low toxicity) |
| Biodegradability | Biodegradable (common property of nonionic surfactants) |
| Ecotoxicological Data | No specific data available |
| Storage Temperature | 5°C to 30°C |
In applications involving direct human contact, such as cosmetics, food, and pharmaceuticals, Tween-81 is typically added as an emulsifier and solubilizer at levels ranging from 0.5% to 5% of the total formulation. This concentration range has been validated through long-term use and demonstrates good safety. In industrial applications such as pesticides, coatings, and metalworking fluids, operators should strictly wear protective gloves and safety goggles to avoid direct contact of the undiluted product with skin and eyes.