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109-83-1

109-83-1 structural image
Product Name: 2-Methylaminoethanol
Formula: C3H9NO
Synonyms: N-Methylethanolamine;2-(Methylamino)ethanol;N-Methylethanolamine
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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.

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