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391433

Sigma-Aldrich

tert-Butylamine

≥99.5%

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Synonym(s):
2-Amino-2-methylpropane
Linear Formula:
(CH3)3CNH2
CAS Number:
75-64-9
Molecular Weight:
73.14
Beilstein:
605267
EC Number:
200-888-1
MDL number:
MFCD00008050
PubChem Substance ID:
24864378
NACRES:
NA.22

vapor density

2.5 (vs air)

Quality Level

300

vapor pressure

5.7 psi ( 20 °C)

Assay

≥99.5%

form

liquid

autoignition temp.

716 °F

expl. lim.

9.8 %

refractive index

n20/D 1.377 (lit.)

bp

46 °C (lit.)

mp

−67 °C (lit.)

solubility

water: miscible 1000 g/L at 25 °C
alcohol: miscible(lit.)
chloroform: soluble(lit.)
organic solvents: soluble(lit.)

density

0.696 g/mL at 25 °C (lit.)

SMILES string

CC(C)(C)N

InChI

1S/C4H11N/c1-4(2,3)5/h5H2,1-3H3

InChI key

YBRBMKDOPFTVDT-UHFFFAOYSA-N

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General description

tert-Butylamine (TBA) is an aliphatic primary amine. Its enthalpy of combustion and formation has been studied. Its gas phase acidity and gas phase basicity has been evaluated. The ozonation of tert-butylamine has been reported. Its influence on the aqueous beta-cyclodextrin (β-CD): pyrene complex has been examined by steady-state fluorescence measurements.

Application

tert-Butylamine (t-butylamine) may be used in the synthesis of Zn2-SnO4 nanoparticles. It may be used to terminate the polymerization reaction during the synthesis of the following polymers (DAB =1,4-diaminobutane, BA=Boronic acid , PAA=functional poly(amido amine), ABOL=4-aminobutanol, Bn=Benzyl):
  • (DAB-BA-PAA)
  • (ABOL-BA-PAA)
  • (DAB-Bn-PAA)
tert-Butylamine (TBA) is suitable for use as an indicator molecule in the study of NMR-based pH determination method, free of glass electrode errors in highly basic media. It is suitable for use in the synthesis of methyl β-ketophosphonate, titanium dioxide nanoparticles (TiO2 NPs) and samarium oxide (Sm2O3) nanospheres and nanorods. It may be used in the following studies:
  • As liquid hydrocarbon promoter in the systematic study on methane hydrate formation and dissociation.
  • As an example in the study of the effect of amines in influencing atmospheric H2SO4-H2O nucleation.
  • Hydroamination of terminal alkynes.
  • To measure the surface acidity of solid catalysts by temperature-programmed desorption.
  • As a reductive nitrogen source in the atomic layer deposition technique used to deposit TaN thin films from TaCl5 and TaBr5.

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1A

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

-36.4 °F - closed cup

Flash Point(C)

-38 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品

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Methane hydrate phase stability with lower mole fractions of tetrahydrofuran (THF) and tert--butylamine (t-BuNH2).
Dhanunjana Chari V, et al.
Fluid Phase Equilibria, 315, 126-130 (2012)
From terminal alkynes directly to branched amines.
Garcia Castro I, et al.
Tetrahedron Letters, 44(15), 3217-3221 (2003)
Gas-phase acidities of amines.
Brauman JI and Blair LK.
Journal of the American Chemical Society, 93(16), 3911-3914 (1971)
Christian Balg et al.
Bioorganic & medicinal chemistry, 15(1), 295-304 (2006-10-20)
The aminoacyl-beta-ketophosphonate-adenosines (aa-KPA) are stable analogs of the aminoacyl adenylates, which are high-energy intermediates in the formation of aminoacyl-tRNA catalyzed by aminoacyl-tRNA synthetases (aaRS). We have synthesized glutamyl-beta-ketophosphonate-adenosine (Glu-KPA) and glutaminyl-beta-ketophosphonate-adenosine (Gln-KPA), and have tested them as inhibitors of their
Spectroscopic Studies of the Interaction of tert-Butylamine and n-Propylamine with the β-Cyclodextrin: Pyrene Complex.
Will A, et al
Applied Spectroscopy, 47(3), 277-282 (1993)
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