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12220-09-6

12220-09-6 structural image
Product Name: C.I. Acid orange 108
Formula: C2H7NO
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Ethanolamine appears as a clear colorless liquid with an odor resembling that of ammonia. Flash point 185 °F. May attack copper, brass, and rubber. Corrosive to tissue. Moderately toxic. Produces toxic oxides of nitrogen during combustion.
Color/Form Colorless, viscous liquid or solid (below 51 °F)
Odor Unpleasant, ammonia-like
Boiling Point 338 °F at 760 mmHg (NTP, 1992)
Melting Point 50.5 °F (NTP, 1992)
Flash Point 200 °F (NTP, 1992)
Solubility greater than or equal to 100 mg/mL at 68 °F (NTP, 1992)
Density 1.016 at 68 °F (USCG, 1999) - Denser than water; will sink
Vapor Density 2.1 (NTP, 1992) - Heavier than air; will sink (Relative to Air)
Vapor Pressure 0.4 mmHg at 68 °F ; 6 mmHg at 140 °F (NTP, 1992)
LogP -1.31
Stability/Shelf Life Chemical stability: Absorbs carbon dioxide (CO2) from air. Stable under recommended storage conditions.
Autoignition Temperature 770 °F (NTP, 1992)
Decomposition When heated to decomposition it emits toxic fumes of /nitrogen oxides/.
Viscosity 18.95 cP at 25 °C; 5.03 cP at 60 °C
Heat of Combustion -10710 Btu/lb = -5950 cal/g = -249X10+5 J/kg
Heat of Vaporization 49.83 kJ/mol at 171 °C
pH 25% aqueous solution: 12.1; 0.1 N aqueous solution: 12.05
Ionization Potential 8.96 eV
Odor Threshold Odor Threshold Low: 2.6 [mmHg] Odor Threshold High: 5.0 [mmHg] Odor threshold (detect at 2.6 ppm and recognize at 5 ppm) from CHEMINFO
Refractive Index Index of refraction: 1.4541 at 20 degC/D
Dissociation Constants 9.5
Kovats Retention Index 698 643 680
Other Experimental Properties Hygroscopic
Chemical Classes Nitrogen Compounds -> Ethanolamines

COMPUTED DESCRIPTORS

Molecular Weight 61.08 g/mol
XLogP3 -1.3
Hydrogen Bond Donor Count 2
Hydrogen Bond Acceptor Count 2
Rotatable Bond Count 1
Exact Mass 61.052763847 g/mol
Monoisotopic Mass 61.052763847 g/mol
Topological Polar Surface Area 46.2 Ų
Heavy Atom Count 4
Formal Charge 0
Complexity 10
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

Ethanolamine appears as a clear colorless liquid with an odor resembling that of ammonia. Flash point 185 °F. May attack copper, brass, and rubber. Corrosive to tissue. Moderately toxic. Produces toxic oxides of nitrogen during combustion.