Overview
Dodecyl gallate (CAS 1166-52-5 ), also sold as lauryl gallate and approved as E312 , is a lipophilic antioxidant used to protect fats and oils.
Its fat-soluble character makes it effective in applications where water-soluble antioxidants cannot perform, protecting oil-based formulations from oxidative degradation.
In food manufacturing, E312 is used to stabilize edible oils, fats, and fat-containing products such as margarines, shortenings, and fried snack coatings, extending shelf life.
Personal care formulators incorporate it into lipstick bases, creams, and oil-rich emollients where oxidative stability directly affects product shelf life and sensory quality.
In plastics and polymer processing, it functions as a stabilizer against UV-induced and thermal oxidative degradation, protecting polyolefins and similar materials during compounding.
It also finds use in industrial lubricants and technical oils requiring long-term antioxidant protection. Dodecyl gallate is supplied as a white to off-white crystalline powder.
Standard grades include food-grade material meeting FCC and E312 purity specifications, as well as technical-grade material for polymer and industrial applications.
Packaging typically ranges from kilogram quantities up to bulk sacks for industrial procurement, ensuring reliable supply for various manufacturing requirements.
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Physical Properties
| Melting Point | 97-98 °C |
| Boiling Point | 394.57°C (rough estimate) |
| Density | 1.0677 (rough estimate) |
| Appearance | white to cream powder |
| Color | White to Almost white |
| Odor | at 100.00?%. odorless |
| Form | neat |
| Water Solubility | practically insoluble |
| Refractive Index | 1.6120 (estimate) |
| Log P | 6.365 (est) |
Safety & Handling
Warning GHS07 Hazard Statements H317 May cause an allergic skin reaction Precautionary Statements P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection. P321 Specific treatment (see … on this label). P501 Dispose of contents/container in accordance with local regulations. P302+P352 IF ON SKIN: Wash with plenty of water. P333+P317 Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse.
Trade & Regulatory
| HS Code | 29182950 |
| WGK (Germany) | 1 |
Other Names
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Chemical Properties
- CAS Number
- 1166-52-5
- EC Number
- 214-620-6
- Mol. Weight
- 338.4
- HS Code
- 29182950
- Category
- UV Absorbers & Stabilizers