109-83-1
Product Name:
2-Methylaminoethanol
Formula:
C3H9NO
Synonyms:
N-Methylethanolamine;2-(Methylamino)ethanol;N-Methylethanolamine
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Methylethanolamine appears as a clear colorless liquid. Flash point 165 °F. Less dense than water and soluble in water. Vapors are heavier than air. Produces toxic oxides of nitrogen during combustion. Used to make other chemicals. |
|---|---|
| Color/Form | Viscous liquid |
| Odor | Fishy |
| Boiling Point | 316 °F at 760 mmHg ; 147-149 °F at 12 mmHg; 126 °F at 6 mmHg (NTP, 1992) |
| Melting Point | 23.9 °F (NTP, 1992) |
| Flash Point | 165 °F (NTP, 1992) |
| Solubility | Very soluble (NTP, 1992) |
| Density | 0.9414 (USCG, 1999) - Less dense than water; will float |
| Vapor Density | 2.59 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 0.7 mmHg at 68 °F (NTP, 1992) |
| LogP | log Kow = -0.94 |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| Autoignition Temperature | 350 °C |
| Decomposition | When heated to decomposition it emits toxic fumes such as /nitrogen oxides/. |
| Viscosity | 13.0 mPa s at 20 °C |
| Corrosivity | Corrosive to cork, metals |
| Heat of Combustion | -12,710 BTU/lb = -7060 cal/g at 25 °C |
| Heat of Vaporization | 564 kJ/kg |
| pH | A strong base |
| Surface Tension | 34.4 mN/m at 22 °C |
| Refractive Index | Index of refraction: 1.4385 at 20 °C/D |
| Dissociation Constants | pKa = 9.95 at 20 °C |
| Other Experimental Properties | Forms deliquescent salt with HCl |
| Chemical Classes | Nitrogen Compounds -> Ethanolamines |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H373:Specific target organ toxicity, repeated exposure |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P314:Get medical advice/attention if you feel unwell. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 75.11 g/mol |
|---|---|
| XLogP3 | -0.9 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 2 |
| Exact Mass | 75.068413911 g/mol |
| Monoisotopic Mass | 75.068413911 g/mol |
| Topological Polar Surface Area | 32.3 Ų |
| Heavy Atom Count | 5 |
| Formal Charge | 0 |
| Complexity | 16.4 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Methylethanolamine appears as a clear colorless liquid. Flash point 165 °F. Less dense than water and soluble in water. Vapors are heavier than air. Produces toxic oxides of nitrogen during combustion. Used to make other chemicals.