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471518

Sigma-Aldrich

2-(tert-Butylamino)ethanol

99%

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Synonym(s):
N-tert-Butylethanolamine
Linear Formula:
(CH3)3CNHCH2CH2OH
CAS Number:
4620-70-6
Molecular Weight:
117.19
Beilstein:
1732684
EC Number:
225-034-5
MDL number:
MFCD00002837
UNSPSC Code:
12352100
PubChem Substance ID:
24870739

vapor density

4 (vs air)

Assay

99%

form

solid

bp

90-92 °C/25 mmHg (lit.)

mp

41-43 °C (lit.)

density

0.867 g/mL at 25 °C (lit.)

SMILES string

CC(C)(C)NCCO

InChI

1S/C6H15NO/c1-6(2,3)7-4-5-8/h7-8H,4-5H2,1-3H3

InChI key

IUXYVKZUDNLISR-UHFFFAOYSA-N

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General description

2-(tert-Butylamino)ethanol (TBAE) is an alkanolamine. Its dissociation constant has been evaluated at several temperatures. It is a sterically hindered amine and is a useful chemical absorbent for the selective absorption of hydrogen sulfide in the presence of carbon dioxide. The physical solubility of hydrogen sulfide in aqueous solutions of TBAE neutralized with hydrochloric acid has been tested. The obtained solubility data was correlated using the van-Krevelen-Hoftijzer method.

Application

2-(tert-Butylamino)ethanol may be used in the synthesis of 3-tert-butyl-2,2-diphenyl-1,3-oxazaborolidine.

Pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

Signal Word

Danger

Hazard Statements

H302,H311,H314

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

WGK

WGK 3

Flash Point(F)

No data available

Flash Point(C)

No data available

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Dissociation constants of some alkanolamines at 293, 303, 318, and 333 K.
Little RJ, et al.
Journal of Chemical and Engineering Data, 35(3), 276-277 (1990)
Physical solubility of hydrogen sulfide in aqueous solutions of 2-(tert-butylamino) ethanol.
Munder B, et al.
Journal of Chemical and Engineering Data, 45(6), 1201-1204 (2000)
Yuliya Dobrydneva et al.
Molecular pharmacology, 69(1), 247-256 (2005-10-11)
We have synthesized a series of 2-aminoethoxydiphenyl borate (2-APB, 2,2-diphenyl-1,3,2-oxazaborolidine) analogs and tested their ability to inhibit thrombin-induced Ca(2+) influx in human platelets. The analogs were either synthesized by adding various substituents to the oxazaborolidine ring (methyl, dimethyl, tert-butyl, phenyl
Effect of carbon dioxide loading on the solubility of nitrous oxide in aqueous solutions of 2-(tert-butylamino) ethanol.
Munder B, et al.
Journal of Chemical and Engineering Data, 45(6), 1195-1195 (2000)

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