90278

Sigma-Aldrich

Triethanolamine

BioUltra, ≥99.5% (GC)

Synonym(s):
Tris(2-hydroxyethyl)amine, 2,2′,2′′-Nitrilotriethanol
Linear Formula:
(HOCH2CH2)3N
CAS Number:
Molecular Weight:
149.19
Beilstein/REAXYS Number:
1699263
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Quality Level

vapor density

5.14 (vs air)

vapor pressure

0.01 mmHg ( 20 °C)

product line

BioUltra

assay

≥99.5% (GC)

form

liquid
viscous liquid

autoignition temp.

600 °F

expl. lim.

8.5 %

impurities

insoluble matter, passes filter test
≤0.1% ethanolamine (GC)
≤0.2% water
≤0.3% diethanolamine (GC)

ign. residue

≤0.1% (as SO4)

refractive index

n20/D 1.485 (lit.)
n20/D 1.485

pH

10.5-11.5 (25 °C, 1 M in H2O)

useful pH range

7.3 - 8.3

pKa (25 °C)

7.8

bp

190-193 °C/5 mmHg (lit.)

mp

17.9-21 °C (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

density

1.124 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤1 mg/kg
sulfate (SO42-): ≤20 mg/kg

cation traces

Al: ≤2 mg/kg
As: ≤0.1 mg/kg
Ba: ≤1 mg/kg
Bi: ≤2 mg/kg
Ca: ≤5 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
K: ≤20 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Na: ≤20 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤1 mg/kg
Zn: ≤1 mg/kg

SMILES string

OCCN(CCO)CCO

absorption

cut-off at 270 nm in H2O at 1 M

λ

1 M in H2O

UV absorption

λ: 280 nm Amax: 0.1

InChI

1S/C6H15NO3/c8-4-1-7(2-5-9)3-6-10/h8-10H,1-6H2

InChI key

GSEJCLTVZPLZKY-UHFFFAOYSA-N

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Related Categories

Application

Triethanolamine (TEA), an emulsifier, surfactant and capping agent, may be used to study its toxicity profile and mechanisms. TEA may be used in various drug delivery constructs to improve drug solubility. TEA may be used to cap CdTe nanoparticles.

Other Notes

Buffer in recommended method for alanine amionopeptidase in urine

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 1

Flash Point(F)

354.2 °F - closed cup

Flash Point(C)

179 °C - closed cup

H Mattenheimer et al.
Journal of clinical chemistry and clinical biochemistry. Zeitschrift fur klinische Chemie und klinische Biochemie, 26(10), 635-644 (1988-10-01)
A method is recommended for the measurement of the catalytic concentration of alanine aminopeptidase in the urine of man, rat, and dog, using L-alanine-4-nitroanilide as substrate. In currently used methods, substrate concentrations between 1.7 and 2.0 mmol/l are used. Kinetic...
Liviu Ungur et al.
Journal of the American Chemical Society, 134(45), 18554-18557 (2012-11-01)
A toroidal magnetic moment in the absence of conventional total magnetic moment is observed in a {Dy(6)} ring. The reason for the net toroidal arrangement of the local magnetic moments is the high symmetry of the complex in combination with...
Stuart K Langley et al.
Dalton transactions (Cambridge, England : 2003), 41(32), 9789-9796 (2012-07-11)
The synthesis, structures and magnetic properties of two new mixed-valence heptanuclear manganese clusters are described. Both complexes utilize triethanolamine (teaH(3)) as a bridging ligand, displaying near planar, disc-like metal topologies and are of formulae [Mn(II)(4)Mn(IV)(3)(tea)(teaH(2))(3)(peolH)(4)](BF(4))(2)·solv (1) and [Mn(II)(4)Mn(III)(3)F(3)(tea)(teaH)(teaH(2))(2)(piv)(4)(Hpiv)(chp)(3)]·0.5MeCN (2). Compound...
Kostas Karatasos et al.
Macromolecular bioscience, 12(2), 225-240 (2011-12-08)
In this work we report, compare and discuss the results obtained from fully atomistic molecular dynamics simulations of generations 4, 5, and 6 of PAMAM-based dendrimers having NH(3) and triethanolamine as cores, forming complexes with a short interfering RNA (siRNA)...
Xiaoxuan Liu et al.
Bioconjugate chemistry, 22(12), 2461-2473 (2011-11-08)
With the aim of developing dendrimer nanovectors with a precisely controlled architecture and flexible structure for DNA transfection, we designed PAMAM dendrimers bearing a triethanolamine (TEA) core, with branching units pointing away from the center to create void spaces, reduce...

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