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Ethanolamine

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Identification
Molecular formula
C2H7NO
CAS number
141-43-5
IUPAC name
2-aminoethanol
State
State

At room temperature, ethanolamine exists as a liquid. It can form a viscous liquid or appear as a solid when pure. The presence of water or impurities, or a reduction in temperature, can influence whether it is solid or liquid at room temperature.

Melting point (Celsius)
10.30
Melting point (Kelvin)
283.50
Boiling point (Celsius)
170.30
Boiling point (Kelvin)
443.50
General information
Molecular weight
61.08g/mol
Molar mass
61.0830g/mol
Density
1.0180g/cm3
Appearence

The compound appears as a colorless liquid that may possess a faint ammonia-like odor. It can also appear as crystalline solid at room temperature if pure and anhydrous.

Comment on solubility

Solubility of 2-aminoethanol (C2H7NO)

2-aminoethanol, also known as ethanolamine, exhibits remarkable solubility characteristics that are essential for various applications in the chemical industry. Here are some key points regarding its solubility:

  • Highly soluble in water: 2-aminoethanol is known for its high solubility in water, thanks to its ability to form hydrogen bonds with water molecules. This property is crucial for its use in biological and chemical processes.
  • Solvent versatility: In addition to its excellent water solubility, 2-aminoethanol is also soluble in various organic solvents such as ethanol and ether, allowing it to be utilized in diverse chemical reactions.
  • Temperature dependence: The solubility of 2-aminoethanol can be influenced by temperature, with higher temperatures generally increasing solubility in both water and organic solvents.

As a hydrophilic compound, 2-aminoethanol is utilized in many formulations, leading to its significance in applications ranging from pharmaceuticals to surfactants. Its solubility not only facilitates easy handling but also ensures effective reactivity in various chemical environments.

Interesting facts

Interesting Facts about 2-Aminoethanol

2-Aminoethanol, also known as ethanolamine, is a fascinating compound with several noteworthy features:

  • Dual Nature: Ethanolamine possesses both amine and alcohol functional groups, making it an important intermediate in various chemical reactions. This dual nature allows it to participate in both nucleophilic substitution and esterification reactions.
  • Biological Relevance: It plays a vital role in biological systems, as it is involved in the synthesis of phospholipids, which are essential components of cell membranes. Additionally, it serves as a precursor for the biosynthesis of ethanolamine phospholipids, vital for cellular signaling.
  • Applications: 2-Aminoethanol is widely used in various industries. Some of its applications include:
    • As a surfactant in personal care products and detergents.
    • In the production of pharmaceuticals and dyes.
    • As a corrosion inhibitor in industrial applications.
  • Environmental Considerations: While 2-aminoethanol is useful, it is important to consider its environmental impact. It can pose hazards if released into water systems, thus necessitating careful handling and disposal.
  • Safety Measures: Ethanolamine is classified as a corrosive substance, and adequate safety measures, such as wearing protective equipment and ensuring good ventilation, are essential when handling this compound in laboratory and industrial settings.

In summary, 2-aminoethanol is much more than just a simple compound. Its unique chemical nature, biological significance, and diverse applications make it an intriguing subject of study in the field of chemistry.

Synonyms
Ethanolamine
2-aminoethanol
monoethanolamine
141-43-5
2-Hydroxyethylamine
colamine
Aminoethanol
2-Aminoethan-1-ol
Olamine
Ethanol, 2-amino-
2-Amino-1-ethanol
Ethylolamine
beta-Hydroxyethylamine
2-Hydroxyethanamine
1-Amino-2-hydroxyethane
2-Aminoethyl alcohol
Aethanolamin
beta-Aminoethyl alcohol
2-Ethanolamine
2-amino-ethanol
beta-Aminoethanol
Thiofaco M-50
MEA (alcohol)
beta-ethanolamine
Kolamin
USAF EK-1597
Monoaethanolamin
Kolamin [Czech]
2-Aminoaethanol
Caswell No. 426
2-Amino ethanol
Etanolamina
Glycinol (monoethanolamine)
Aethanolamin [German]
Etanolamina [Italian]
2-Aminoetanolo
CCRIS 6260
HSDB 531
Monoaethanolamin [German]
2-Aminoaethanol [German]
2-Aminoetanolo [Italian]
AI3-24219
UN2491
EPA Pesticide Chemical Code 011601
ethanol-amine
CHEBI:16000
EINECS 205-483-3
MFCD00008183
Olamine [INN]
UNII-5KV86114PT
Acid Orange 86
12220-07-4
DTXSID6022000
ETHANOL AMINE
5KV86114PT
C.I. Acid orange 108
Ethane, 1-amino-2-hydroxy-
CHEMBL104943
DTXCID202000
Envision Conditioner PDD 9020
EC 205-483-3
UN 2491
Monoethanolamine (NF)
Monoethanolamine [NF]
NCGC00090789-02
MONOETHANOLAMINE (II)
MONOETHANOLAMINE [II]
12220-09-6
MONOETHANOLAMINE (USP-RS)
MONOETHANOLAMINE [USP-RS]
ETHANOLAMINE (EP MONOGRAPH)
ETHANOLAMINE [EP MONOGRAPH]
2 Aminoethanol
Ethanolamine @ 1000 microg/mL in H2O
TROLAMINE IMPURITY A (EP IMPURITY)
TROLAMINE IMPURITY A [EP IMPURITY]
IFOSFAMIDE IMPURITY D (EP IMPURITY)
IFOSFAMIDE IMPURITY D [EP IMPURITY]
MEA-LCI
C2H7NO
ethanolamin
ethanolarnine
hydoxyethylamine
b-Aminoethanol
b-Ethanolamine
MEA 90
H-Glycinol
monoethanol amine
2 -aminoethanol
b-Hydroxyethylamine
ethanol, 2-amino
2-hydroxylethylamine
.beta.-Aminoethanol
.beta.-Ethanolamine
b-Aminoethyl alcohol
2-hydroxy-ethylamine
2-hydroxyethyl amine
2-hydroxyethyl-amine
MEA;2-Aminoethanol
2-N-ethyaminoethanol
2-amino-ethan-1-ol
2-hydroxy- ethylamine
2-hydroxy-1-ethylamine
.beta.-Hydroxyethylamine
Ethanolamine, >=98%
Ethanolamine, >=99%
m-dPEG®12-Amine
3-phenyl-5-p-tolyl-1H-[1,2,4]triazole
ETHANOLAMINE [MI]
NH2CH2CH2OH
.beta.-Aminoethyl alcohol
Ethanolamine, AR, 99%
bmse000276
Epitope ID:120354
NH2C2H4OH
ETHANOLAMINE [HSDB]
2-Aminoethanol, redistilled
2-aminoethanol,hydrochloride
MEA-LCI; MEA 90
Ethanolamine: 2-aminoethanol
ETHANOLAMINE, SOLUTION
BIDD:ER0367
ETHANOLAMINE [WHO-DD]
Ethanolamine, LR, >=99%
2-Aminoethanol (Ethanolamine)
AMINOPOLYETHYLENE GLYCOL
BDBM7973
Ethanolamine, analytical standard
|A-Aminoethyl alcohol Ethanolamine
Ethanol, 2-amino- (8CI,9CI)
DPG-5733
STR00417
Tox21_400020
c0594
MSK001357
STL199164
Ethanolamine, for synthesis, 99.0%
AKOS000245055
DB03994
FM31711
Ethanolamine, ACS reagent, >=99.0%
Ethanolamine, ReagentPlus(R), >=99%
Ethanolamine, USP, 98.0-100.5%
2-AMINOETHANOL (MONOETHANOLAMINE)
beta-Aminoethyl alcohol beta-Ethanolamine
NCGC00090789-01
NCGC00090789-03
USEPA/OPP Pesticide Code: 011601
BP-21017
BP-24368
BP-31055
CAS-141-43-5
FA111931
FA175299
1ST001357
Ethanolamine, SAJ first grade, >=99.0%
A0297
Ethanolamine, JIS special grade, >=99.0%
NS00001908
O-(2-Aminoethyl)polyethylene glycol 3,000
EN300-19392
C00189
D05074
P20022
InChI=1/C2H7NO/c3-1-2-4/h4H,1-3H
A902308
Q410387
Ethanolamine, purified by redistillation, >=99.5%
587CE5AA-008A-469C-AB39-82CC4D0CA779
ethanolamine; 2-aminoethanol; 2-aminoethyl alcohol; mea
F2190-0367
Z104473700
Ethanolamine, puriss. p.a., ACS reagent, >=99.0% (GC/NT)
Ethanolamine, liquid, BioReagent, suitable for cell culture, >=98%
Trolamine impurity A, European Pharmacopoeia (EP) Reference Standard
Monoethanolamine, United States Pharmacopeia (USP) Reference Standard
Monoethanolamine, Pharmaceutical Secondary Standard; Certified Reference Material
205-483-3
618-436-0