MOA-12 (lauryl alcohol polyoxyethylene ether-12) is not classified as a hazardous substance according to the Globally Harmonized System of Classification and Labelling of Chemicals (GHS). Its acute oral toxicity (rat) LD50 > 2000 mg/kg, acute dermal toxicity (rabbit) LD50 > 2000 mg/kg, both are low toxicity levels. Under normal operating conditions, it is non-irritating to the skin (Primary Irritation Index: 0.0), and the skin sensitization test (guinea pig) result is non-sensitizing. It is a relatively safe surfactant product.
Special attention should be paid to its mild eye irritation (GHS category 2B, H320). Contact may cause reversible conjunctival redness, which usually subsides within 24–48 hours. Therefore, eye protection is the most critical protective measure during handling. Additionally, although this product is not flammable, it may release carbon monoxide, carbon dioxide, and other irritating fumes when burned. Appropriate protective equipment should be used during firefighting.
In terms of environmental protection, MOA-12 is readily biodegradable (OECD 301 method, > 60% degradation in 28 days) and has low bioaccumulation potential (Log Pow < 3), aligning with green chemical guidelines. However, it is toxic to aquatic organisms (fish 96h LC50: 1–10 mg/L). Do not discharge directly into sewers or water bodies in case of leakage.
| Parameter | Value | Description |
|---|---|---|
| Acute Oral Toxicity (Rat) | LD50 > 2000 mg/kg | Low Toxicity |
| Acute Dermal Toxicity (Rabbit) | LD50 > 2000 mg/kg | Low Toxicity |
| Skin Irritation (Rabbit) | PII: 0.0 | Non-irritating |
| Eye Irritation (Rabbit) | Mild Irritation | Reversible within 24–48 hours |
| Skin Sensitization (Guinea Pig) | Non-sensitizing | — |
| Aquatic Toxicity (Fish 96h) | LC50 1–10 mg/L | Toxic to aquatic organisms |
| Biodegradation (OECD 301) | > 60% degradation in 28 days | Readily biodegradable |
| Bioaccumulation | Log Pow < 3 | Low bioaccumulation potential |
| GHS Classification | Non-hazardous substance | Only eye irritation category 2B |
Handling protection: It is recommended to wear chemical safety goggles or splash-proof eyewear to prevent splashes into eyes; no special skin protection is required for routine use, but wearing nitrile or neoprene gloves is recommended to avoid possible skin dryness from prolonged or repeated contact. Operate in a well-ventilated area and avoid forming and inhaling mists or vapors. Follow good industrial hygiene practices: wash hands and face after handling, and do not eat, drink, or smoke in the handling area.
Storage conditions: Keep containers tightly closed and store in a cool, dry, well-ventilated place. Recommended temperature is 5–40°C. Prevent freezing or overheating. If frozen, thaw slowly and stir evenly before use. Avoid coexistence with strong oxidizers, strong acids, and strong bases. Keep away from heat sources, sparks, and open flames. Under unopened conditions, the shelf life is generally 24 months.