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Substance Name: Ethanolamine
RN: 141-43-5
UNII: 5KV86114PT
InChIKey: HZAXFHJVJLSVMW-UHFFFAOYSA-N

Note

  • A viscous, hygroscopic amino alcohol with an ammoniacal odor. It is widely distributed in biological tissue and is a component of lecithin. It is used as a surfactant, fluorimetric reagent, and to remove CO2 and H2S from natural gas and other gases.

Molecular Formula

  • C2-H7-N-O

Molecular Weight

  • 61.0833
 

Classification Codes

Classification Codes

  • Agricultural Chemical
  • Mutation Data
  • Pharmaceutic Aid (Surfactant)
  • Reproductive Effect
  • Skin / Eye Irritant

Superlist Classification Codes

  • TWA (3 ppm); STEL (6 ppm)
  • TWA 3 ppm (6 mg/m3)

Names and Synonyms

Results Name

  • Ethanolamine

Name of Substance

  • 2-Aminoethanol
  • Ethanol, 2-amino-
  • Ethanolamine
  • Monoethanolamine
  • Monoethanolamine [NF]
  • Olamine [INN]

MeSH Heading

  • Ethanolamine

Synonyms

  • 1-Amino-2-hydroxyethane
  • 2-Amino-1-ethanol
  • 2-Aminoaethanol
  • 2-Aminoaethanol [German]
  • 2-Aminoetanolo
  • 2-Aminoetanolo [Italian]
  • 2-Aminoethanol
  • 2-Hydroxyethanamine
  • 2-Hydroxyethylamine
  • Aethanolamin
  • Aethanolamin [German]
  • AI3-24219
  • Aminoethanol
  • beta-Aminoethyl alcohol
  • beta-Hydroxyethylamine
  • Caswell No. 426
  • CCRIS 6260
  • Colamine
  • EC 205-483-3
  • EINECS 205-483-3
  • EPA Pesticide Chemical Code 011601
  • Etanolamina
  • Etanolamina [Italian]
  • Ethanol, 2-amino-
  • Ethanolamine
  • Ethylolamine
  • Glycinol
  • Glycinol (monoethanolamine)
  • HSDB 531
  • Kolamin
  • Kolamin [Czech]
  • MEA (alcohol)
  • Monoaethanolamin
  • Monoaethanolamin [German]
  • Monoethanolamine
  • Olamine
  • Thiofaco M-50
  • UNII-5KV86114PT
  • USAF EK-1597

Systematic Names

  • 2-Aminoethanol
  • Ethanol, 2-amino-
  • Monoethanolamine

Superlist Names

  • 2-Aminoethanol
  • Ethanol, 2-amino-
  • Ethanolamine
  • Ethanolamine or ethanolamine solutions
  • Ethanolamine or ethanolamine solutions [UN2491] [Corrosive]
  • Monoethanolamine
  • UN2491

Registry Numbers

CAS Registry Number

  • 141-43-5

FDA UNII

  • 5KV86114PT

Other Registry Number

  • 9007-33-4

System Generated Number

  • 0000141435

Structure Descriptors

InChI

1S/C2H7NO/c3-1-2-4/h4H,1-3H2

InChIKey

HZAXFHJVJLSVMW-UHFFFAOYSA-N

Smiles

C(CO)N

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
cat LC inhalation > 2420mg/m3/2H (2420mg/m3)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 23(9), Pg. 55, 1979.
guinea pig LD50 oral 620mg/kg (620mg/kg)   Environmental Space Science. English Translation of Kosmicheskaya Biologiya Meditsina. 1967-70.Vol. 2, Pg. 289, 1968.
mammal (species unspecified) LDLo oral 1400mg/kg (1400mg/kg)   National Technical Information Service. Vol. OTS0520710,
mouse LC inhalation > 2420mg/m3/2H (2420mg/m3)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 23(9), Pg. 55, 1979.
mouse LD50 intraperitoneal 50mg/kg (50mg/kg)   National Technical Information Service. Vol. AD277-689,
mouse LD50 oral 700mg/kg (700mg/kg) BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)

LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. Vol. 4, Pg. 81, 1962.
rabbit LD50 oral 1gm/kg (1000mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 23(9), Pg. 55, 1979.
rabbit LD50 skin 1mL/kg (1mL/kg)   Union Carbide Data Sheet. Vol. 1/13/1972,
rat LD50 intramuscular 1750mg/kg (1750mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 23(9), Pg. 55, 1979.
rat LD50 intraperitoneal 67mg/kg (67mg/kg)   Environmental Space Science. English Translation of Kosmicheskaya Biologiya Meditsina. 1967-70.Vol. 2, Pg. 289, 1968.
rat LD50 intravenous 225mg/kg (225mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)
Kosmicheskaya Biologiya i Meditsina. Space Biology and Medicine. Vol. (4), Pg. 44, 1968.
rat LD50 oral 1720mg/kg (1720mg/kg)   Toxicology and Applied Pharmacology. Vol. 42, Pg. 417, 1977.
rat LD50 subcutaneous 1500mg/kg (1500mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 23(9), Pg. 55, 1979.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 10.5 deg C   EXP
Boiling Point 171 deg C   EXP
pKa Dissociation Constant 9.499 (none)   EXP
log P (octanol-water) -1.31E+00 (none)   EXP
Water Solubility 1.00E+06 mg/L   EXP
Vapor Pressure 0.404 mm Hg 25 EXP
Henry's Law Constant 3.25E-08 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 3.58E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.