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Merck

90278

Triethanolamine

BioUltra, ≥99.5% (GC)

Synonym(s):

2,2′,2′′-Nitrilotriethanol, Tris(2-hydroxyethyl)amine

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About This Item

Linear Formula:
(HOCH2CH2)3N
CAS Number:
Molecular Weight:
149.19
UNSPSC Code:
12161700
NACRES:
NA.25
PubChem Substance ID:
EC Number:
203-049-8
Beilstein/REAXYS Number:
1699263
MDL number:
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vapor density

5.14 (vs air)

Quality Level

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

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

SMILES string

OCCN(CCO)CCO

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

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

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.


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Storage Class

10 - Combustible liquids

wgk

WGK 1

flash_point_f

354.2 °F - closed cup

flash_point_c

179 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter



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