Overview
Polyethylene glycol monolaurate is a nonionic ester surfactant produced by esterifying polyethylene glycol with lauric acid. It functions as an emulsifier, dispersant, and foam control agent across food, personal care, and industrial manufacturing applications.
Identified by CAS 9004-81-3 , this versatile chemical acts as an emulsifier in baked goods, shortenings, and dairy-based formulations. It is essential where stable fat-in-water dispersion is required for high-quality food processing.
Personal care formulators use it to build stable emulsions in lotions, creams, and hair conditioners. Its humectant character supports moisture retention in leave-on products, making it a staple in cosmetic science and dermatology.
Textile and leather processing operations employ it as a lubricant and dispersing agent during fiber treatment and dyeing. This improves process uniformity and ensures consistent quality across large-scale industrial manufacturing runs.
In coatings and adhesive systems, it functions as a defoamer and rheology modifier. This helps control viscosity and surface behavior during application, ensuring that industrial coatings adhere correctly to various substrates.
The product is supplied as a liquid or low-melting waxy solid, depending on the molecular weight of the PEG chain. It is available in food-grade and technical-grade specifications to meet diverse regulatory needs.
PEG chain lengths typically range from PEG-2 to PEG-20 variants to suit different HLB requirements. Drum and IBC quantities are standard for industrial supply, ensuring efficient logistics for global B2B chemical procurement.
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Physical Properties
| Boiling Point | >260°C |
| Density | 1.00 g/mL at 20 °C |
| Flash Point | >110°C |
| Appearance | Liquid |
| Water Solubility | toluene, ethanol and acetone: soluble (dispersible in water) |
| Refractive Index | n 20/D 1.346 |
| Log P | 4.572 (est) |
Safety & Handling
Warning GHS07 Hazard Statements H302 Harmful if swallowed H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation Precautionary Statements P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P330 Rinse mouth. P405 Store locked up. 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. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P351+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 | 10 - Combustible liquids |
| WGK (Germany) | 2 |
Other Names
Related Products
Chemical Properties
- CAS Number
- 9004-81-3
- EC Number
- 618-396-4
- Mol. Weight
- 244.37
- Category
- Alcohols & Glycols