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471828

Sigma-Aldrich

N-Methyldiethanolamine

≥99%

Sinonimo/i:

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

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25 ML
CHF 26.10
250 ML
CHF 30.00
2 L
CHF 103.00
18 L
CHF 482.00

CHF 26.10

Spedizione prevista il28 marzo 2025

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Cambia visualizzazione
25 ML
CHF 26.10
250 ML
CHF 30.00
2 L
CHF 103.00
18 L
CHF 482.00

About This Item

Formula condensata:
CH3N(CH2CH2OH)2
Numero CAS:
105-59-9
Peso molecolare:
119.16
Beilstein:
1734441
Numero CE:
203-312-7
Numero MDL:
MFCD00002848
Codice UNSPSC:
12352100
ID PubChem:
24870762
NACRES:
NA.22
Saggio:
≥99%

CHF 26.10

Spedizione prevista il28 marzo 2025

Richiedi un ordine bulk

Densità del vapore

4 (vs air)

Livello qualitativo

200

Tensione di vapore

0.01 mmHg ( 20 °C)

Saggio

≥99%

Temp. autoaccensione

770 °F

Limite di esplosione

99 %, 55 °F
~56 %, 23 °F
~8.8 %

Indice di rifrazione

n20/D 1.469 (lit.)

P. ebollizione

246-248 °C (lit.)

Densità

1.038 g/mL at 25 °C (lit.)

Gruppo funzionale

amine
hydroxyl

Stringa SMILE

CN(CCO)CCO

InChI

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

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Categorie correlate

Descrizione generale

N-Methyldiethanolamine is a tertiary amine utilized in boronate ester formation and nucleophilic substitutions.[1]

Applicazioni

N-Methyldiethanolamine (MDEA) may be employed in the following studies:
  • Synthesis of aluminophosphate-based molecular sieves.[2]
  • Preparation of N-methyl-N-R-N,N-bis(2-hydroxyethyl) ammonium bromides.[3]
  • Preparation of cationic polyurethane dispersions.[4]

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H319

Classi di pericolo

Eye Irrit. 2

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

260.6 °F - closed cup

Punto d’infiammabilità (°C)

127 °C - closed cup

Dispositivi di protezione individuale

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

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Certificati d'analisi (COA)

Lot/Batch Number
0000344394
0000321016
0000321016
0000344394
0000253239

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Sigma-Aldrich

733113

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(±)-MDEA solution 1.0 mg/mL in methanol, ampule of 1 mL, certified reference material, Cerilliant®

Supelco

M-065

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2-(Diethylamino)ethanol ≥99.5%

Sigma-Aldrich

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2-(Diethylamino)ethanol

Tetramethylammonium sulfate suitable for ion pair chromatography, LiChropur™, ≥99.0% (T)

Supelco

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N-Phenyldiethanolamine 97%

Sigma-Aldrich

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N-Phenyldiethanolamine

2-(Dibutylamino)ethanol 99%

Sigma-Aldrich

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2-(Dibutylamino)ethanol

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
Highly stretchable nanoalginate based polyurethane elastomers.
Daemi H, et al.
Carbohydrate Polymers, 95(2), 630-636 (2013)
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
Jacob D McDonald et al.
Environmental science & technology, 48(18), 10821-10828 (2014-08-29)
Carbon dioxide (CO2) absorption with aqueous amine solvents is a method of carbon capture and sequestration (CCS) from flue gases. One concern is the possible release of amine solvents and degradation products into the atmosphere, warranting evaluation of potential pulmonary
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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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