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D8885

Sigma-Aldrich

Diethanolamine

reagent grade, ≥98.0%

Synonym(s):

2,2′-Iminodiethanol, Bis(2-hydroxyethyl)amine

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About This Item

Linear Formula:
HN(CH2CH2OH)2
CAS Number:
111-42-2
Molecular Weight:
105.14
Beilstein/REAXYS Number:
605315
EC Number:
203-868-0
MDL number:
MFCD00002843
UNSPSC Code:
12352100
PubChem Substance ID:
24894233

grade

reagent grade

Quality Level

200

vapor density

3.6 (vs air)

vapor pressure

<0.98 atm ( 100 °C)

assay

≥98.0%

form

solid or viscous liquid

autoignition temp.

689 °F

expl. lim.

10.6 %

color

clear

refractive index

n20/D 1.477 (lit.)

pKa (25 °C)

8.88

bp

217 °C/150 mmHg (lit.)

mp

28 °C (lit.)

density

1.097 g/mL at 25 °C (lit.)

SMILES string

OCCNCCO

InChI

1S/C4H11NO2/c6-3-1-5-2-4-7/h5-7H,1-4H2

InChI key

ZBCBWPMODOFKDW-UHFFFAOYSA-N

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General description

Diethanolamine (DEA) is an amino alcohol commonly used in the preparation of soaps and surfactants, agricultural chemicals and in textile processing. It is used as an absorbent for capturing CO2. Its toxic and carcinogenic effect has been studied.

Application

Diethanolamine has been used:
  • As a solvent and stabilizer to synthesize zinc oxide (ZnO): indium (In) thin film, which was employed as photoanode in dye synthesized solar cell (DSSC).
  • To prepare diethanolamine substrate buffer.
  • To prepare a pH10 buffer solution along with MgCl2 for the incubation of cell lysates extracted from astrocyte cultures.
It may be used in the following processes:
  • Preparation of disodiumiminodiacetic acid by dehydrogenation.
  • As a solvent and reactant in triazine based dendrimer synthesis.
  • Preparation of diethanolamine ionic liquids employed in green Heck reaction.

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Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 Oral

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

280.4 °F - closed cup

flash_point_c

138 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Fabrication and characterization of ZnO: In thin film as photoanode for DSSC using natural fruit dyes.
Mohamad IS, et al.
AIP Conference Proceedings, 1660(1) (2015)
E Basoalto et al.
Environmental entomology, 39(5), 1399-1408 (2010-10-01)
We analyzed the spatial distribution and dispersal of codling moth, Cydia pomonella (L.), adults within two heterogeneous agroecosystems typical of central Chile: commercial apple, Malus domestica Borkhausen, orchards surrounded by various unmanaged host plants. Both a geostatistical analysis of catches
Diethanolamine and N,N-diethylethanolamine ionic liquids as precatalyst-precursors and reaction media in green Heck reaction protocol.
Petrovic ZD, et al.
J. Mol. Catal. A: Chem., 327(1), 45-50 (2010)
Monitoring of Chemical Speciation of DEA-CO2-Water System by Raman Spectroscopy.
Shahid MZ, et al.
Advanced Materials Research, 1113, 358-363 (2015)
A continuous diethanolamine dehydrogenation fixed bed catalyst and reactor system.
Hickman DA, et al.
Chemical Engineering Journal, 278, 447-453 (2015)
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