Ethanolamine
CAS 141-43-5
EC 205-483-3
Formula C2H7NO
MW 61.08 g/mol
Amines Personal Care & CosmeticsWater TreatmentPharmaceuticals & HealthcareOil, Gas & Energy Humectant & MoisturizingpH Regulation & BufferingEmulsification & DispersionPreservation & Biocide
Description
Ethanolamine (CAS 141-43-5), also known as MEA, ETA, Colamine, or Glycinol, is a primary amine-alcohol compound with the molecular formula C2H7NO. It carries no E-code designation and is not classified as a food additive. It is registered under REACH and assigned EC number 205-483-3.
In water treatment, ethanolamine neutralises acidic corrosion products in steam condensate systems by acting as a volatile alkalising agent that raises pH without leaving solid residues. In personal care formulations, it adjusts pH in hair dyes and relaxers and functions as a humectant by attracting and retaining moisture within the product matrix.
Ethanolamine is supplied in technical and pharmaceutical grades, with Ph.Eur.-compliant material available for healthcare applications. It is handled as a liquid and typically shipped in IBC containers or bulk tankers. Buyers should confirm REACH compliance documentation and SDS availability prior to procurement.
In water treatment, ethanolamine neutralises acidic corrosion products in steam condensate systems by acting as a volatile alkalising agent that raises pH without leaving solid residues. In personal care formulations, it adjusts pH in hair dyes and relaxers and functions as a humectant by attracting and retaining moisture within the product matrix.
Ethanolamine is supplied in technical and pharmaceutical grades, with Ph.Eur.-compliant material available for healthcare applications. It is handled as a liquid and typically shipped in IBC containers or bulk tankers. Buyers should confirm REACH compliance documentation and SDS availability prior to procurement.
Physical Properties
| Melting Point | 10.3 °C |
| Boiling Point | 170.8 °C @ Press: 760 Torr |
| Density | 1.0180 g/cm³ @ Temp: 20 °C |
| Flash Point | 200 °F |
| Appearance | Ethanolamines can be detected by odor as low as 23 ppm. Monoethanolamine is a colorless, viscous liquid or solid (below 111C) with an unpleasant, ammonialike odor |
| Color | APHA: ≤15 |
| Odor | ammoniacal odor |
| Form | Liquid |
| Water Solubility | miscible |
| Vapor Pressure | 0.2 mm Hg ( 20 °C) |
| Refractive Index | n 20/D 1.454(lit.) |
| pH | 12.1 (100g/l, H2O, 20℃) |
| Log P | -2.3--1.91 at 25℃ |
Safety & Handling (Learn More)
Danger GHS05 GHS07 GHS02 GHS08 GHS06
H
H227H228H302H303H311H312H314H317H318H332H334H335H336H361H370H372H373H402H412
P
P203P210P233P240P241P260P261P262P264P270P271P272P273P280P284P316P317P318P319P321P330P363P403P405P501P264+P265P301+P317P302+P352P304+P340P308+P316P333+P317P342+P316P361+P364P362+P364P370+P378P403+P233P301+P330+P331P302+P361+P354P305+P354+P338
Trade & Regulatory
| HS Code | 29221100 |
| UN Number | 2924 |
| ADR Class | 3 |
| Packing Group | III |
| WGK (Germany) | 1 |
Other Names
Monoethanolamine2-aminoethanolMEAETAHeaGLYCINOLCOLAMINE
Related Products
Raw Materials
Derivatives
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