Overview
Myristamine oxide (CAS 3332-27-2 ), also sold under the trade name AMMONYX MCO and known industrially as tetradecyldimethylamine oxide, is an amine oxide surfactant derived from a C14 fatty chain.
It functions as a foam booster, viscosity modifier, and conditioning agent across personal care and industrial cleaning formulations. In shampoos, body washes, and liquid hand soaps, it stabilizes foam and thickens sulfate-based surfactant systems.
This chemical eliminates the need for additional rheology modifiers in many applications. Textile and fiber processing operations use it as a softening and antistatic agent applied during finishing stages to improve material handling.
In industrial and institutional cleaning concentrates, it contributes to grease emulsification and soil suspension. It remains stable and effective under both acidic and alkaline conditions, offering versatility for heavy-duty cleaners.
Paper and leather processing formulators incorporate it for its dispersing action and compatibility with anionic co-surfactants in wet-processing baths. This ensures uniform treatment and high-quality results in manufacturing.
Myristamine oxide is commercially supplied as an aqueous solution, most commonly at 25–30% active content. Both technical-grade and cosmetic-grade specifications are available to meet diverse industry requirements.
Cosmetic grades meet purity requirements suitable for leave-on and rinse-off personal care products. Packaging typically ranges from drums to IBC totes for bulk procurement to support large-scale production facilities.
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Physical Properties
| Density | 0.716[at 20℃] |
| Flash Point | >100°C |
| Color | White to off-white |
| Form | Solid |
| Water Solubility | 409.5g/L at 20℃ |
| Vapor Pressure | 0Pa at 25℃ |
| pH | 5-9 (1% (w/v) in H2O) |
| Log P | 2.7 at 20℃ |
Safety & Handling
Danger GHS05 GHS07 GHS09 Hazard Statements H302 Harmful if swallowed H315 Causes skin irritation H318 Causes serious eye damage H400 Very toxic to aquatic life H410 Very toxic to aquatic life with long lasting effects H411 Toxic to aquatic life with long lasting effects H412 Harmful to aquatic life with long lasting effects Precautionary Statements P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P317 Get emergency medical help. P321 Specific treatment (see … on this label). P330 Rinse mouth. P391 Collect spillage. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P332+P317 Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 2 |
Other Names
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Chemical Properties
- CAS Number
- 3332-27-2
- EC Number
- 222-059-3
- Mol. Weight
- 257.45
- Category
- Amines