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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
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- Classifications
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- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
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)
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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 Numbers
- 2122854-11-7
- 2169804-94-6
- 9007-33-4
System Generated Number
- 0000141435
Structure Descriptors
InChI
InChI=1S/C2H7NO/c3-1-2-4/h4H,1-3H2InChIKey
HZAXFHJVJLSVMW-UHFFFAOYSA-NSmiles
NCCOToxicity
| 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.