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. |
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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 |
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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 |
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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.