Triethylene glycol monododecyl ether
Description
Triethylene glycol monododecyl ether (CAS 3055-94-5), also known commercially as Laureth-3, is a nonionic ethoxylated fatty alcohol surfactant. It reduces interfacial tension between oil and water phases, enabling stable emulsification.
This chemical allows for effective soil removal across a range of formulated products. In home care and industrial cleaning formulations, it functions as a primary or co-surfactant in hard surface cleaners.
It is frequently used in degreasers and laundry products where low-foam or controlled-foam profiles are required. Personal care manufacturers incorporate it as an emulsifier and solubilizer in creams and lotions.
The compound is also utilized in rinse-off products for its gentle properties. Textile and leather processing operations use it as a wetting and scouring agent to improve substrate penetration during preparation.
It is highly effective during dyeing stages to ensure even color distribution. In coatings and adhesive systems, it acts as a dispersing aid and wetting agent to improve pigment distribution and adhesion.
Triethylene glycol monododecyl ether is supplied as a liquid or low-viscosity paste depending on temperature and concentration. It is available in technical grade for industrial and cleaning applications.
The material is also offered as cosmetic-grade material meeting purity requirements for personal care use. Bulk supply is standard in drums and intermediate bulk containers (IBCs) for large scale manufacturing.
Physical Properties
| Melting Point | 16.5-17.0 °C |
| Boiling Point | 181-183 °C @ Press: 1 Torr |
| Density | 0.950 g/cm³ @ Temp: 40 °C |
| Flash Point | 16 °C |
| Appearance | solid |
| Color | White or Colorless to Almost white or Almost colorless |
| Form | powder to lump to clear liquid |
| Refractive Index | n20/D 1.451 |
| Log P | 4.439 (est) |
Safety & Handling (Learn More)
Trade & Regulatory
| HS Code | 2909.49.1500 |
Documentation
Other Names
Lauryltriglycol ether|Laureth-3|Ethanol, 2-[2-[2-(dodecyloxy)ethoxy]ethoxy]-|Lauryl alcohol triglycol ether|Dodecyl triethylene glycol ether|2-(2-(2-(Dodecyloxy)ethoxy)ethoxy)ethanol|F32E4CB0UJ|3,6,9-Trioxaheneicosan-1-ol
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