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471828

Sigma-Aldrich

N-Methyldiethanolamine

≥99%

Sinónimos:

2,2′-Methyliminodiethanol, N,N-Bis(2-hydroxyethyl)methylamine, MDEA

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About This Item

Fórmula lineal:
CH3N(CH2CH2OH)2
Número de CAS:
105-59-9
Peso molecular:
119.16
Beilstein/REAXYS Number:
1734441
EC Number:
203-312-7
MDL number:
MFCD00002848
UNSPSC Code:
12352100
PubChem Substance ID:
24870762
NACRES:
NA.22

vapor density

4 (vs air)

Quality Level

200

vapor pressure

0.01 mmHg ( 20 °C)

assay

≥99%

autoignition temp.

770 °F

expl. lim.

99 %, 55 °F
~56 %, 23 °F
~8.8 %

refractive index

n20/D 1.469 (lit.)

bp

246-248 °C (lit.)

density

1.038 g/mL at 25 °C (lit.)

SMILES string

CN(CCO)CCO

InChI

1S/C5H13NO2/c1-6(2-4-7)3-5-8/h7-8H,2-5H2,1H3

InChI key

CRVGTESFCCXCTH-UHFFFAOYSA-N

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General description

N-Methyldiethanolamine is a tertiary amine utilized in boronate ester formation and nucleophilic substitutions.

Application

N-Methyldiethanolamine (MDEA) may be employed in the following studies:
  • Synthesis of aluminophosphate-based molecular sieves.
  • Preparation of N-methyl-N-R-N,N-bis(2-hydroxyethyl) ammonium bromides.
  • Preparation of cationic polyurethane dispersions.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H319

Hazard Classifications

Eye Irrit. 2

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

260.6 °F - closed cup

flash_point_c

127 °C - closed cup

ppe

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

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Highly stretchable nanoalginate based polyurethane elastomers.
Daemi H, et al.
Carbohydrate Polymers, 95(2), 630-636 (2013)
N-Methyldiethanolamine
Saher HS
eEROS (Encyclopedia of Reagents for Organic Synthesis) (2001)
Dehua Wang et al.
Journal of colloid and interface science, 445, 119-126 (2015-01-24)
In the present study, N-methyldiethanolamine (MDEA) is demonstrated to be a multifunctional structure-directing agent for the synthesis of aluminophosphate-based molecular sieves. Four types of molecular sieves, including SAPO-34, -35, AlPO-9 and -22, are for the first time acquired with MDEA
N Bord et al.
Analytical and bioanalytical chemistry, 380(2), 325-332 (2004-09-01)
Alkanolamines such as diethanolamine (DEA) and N-methyldiethanolamine (MDEA) are used in desulfurization processes in crude oil refineries. These compounds may be found in process waters following an accidental contamination. The analysis of alkanolamines in refinery process waters is very difficult
Wen-Shuai Liu et al.
Chemical biology & drug design, 85(1), 91-97 (2014-09-13)
Five N-methyl-N-R-N,N-bis(2-hydroxyethyl) ammonium bromides (R = -benzyl (chloride, BNQAS), -dodecyl (C12QAS), -tetradecyl (C14QAS), -hexadecyl (C16QAS), -octadecyl (C18QAS)) were prepared based on N-methyldiethanolamine (MDEA) and halohydrocarbon. Five QAS were characterized by FTIR, NMR, and MS. BNQAS, C12QAS, C14QAS, and C16QAS were
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