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407704

Sigma-Aldrich

4-Methylmorpholine

purified by redistillation, ≥99.5%

Synonym(s):

NMM

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About This Item

Empirical Formula (Hill Notation):
C5H11NO
CAS Number:
109-02-4
Molecular Weight:
101.15
Beilstein:
102719
EC Number:
203-640-0
MDL number:
MFCD00006175
UNSPSC Code:
12352100
PubChem Substance ID:
24865480
NACRES:
NA.22

vapor density

>1 (vs air)

Quality Level

200

vapor pressure

18 mmHg ( 20 °C)

Assay

≥99.5%

form

liquid

purified by

glass distillation
redistillation

refractive index

n20/D 1.435 (lit.)

pH

10.6 (20 °C, 50 g/L)

bp

115-116 °C/750 mmHg (lit.)

mp

−66 °C (lit.)

density

0.92 g/mL at 25 °C (lit.)

SMILES string

CN1CCOCC1

InChI

1S/C5H11NO/c1-6-2-4-7-5-3-6/h2-5H2,1H3

InChI key

SJRJJKPEHAURKC-UHFFFAOYSA-N

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General description

4-Methylmorpholine is an economical cation useful for the preparation of morpholinium cation-based ionic liquids. The experimental FT-IR and FT-Raman spectra of 4-methylmorpholine has been recorded over the range 4000-400cm-1 and 3500-100cm-1 respectively. It undergoes fluorination with cobalt(III) fluoride to afford highly fluorinated morpholines, which were characterized by mass and NMR spectroscopy.

Application

4-Methylmorpholine may be used in the preparation of N-ethyl-N-methylmorpholinium bis(trifluoromethanesulfonyl)imide.

Signal Word

Danger

Hazard Statements

H225,H302,H314

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

53.6 °F - closed cup - DIN 51755 Part 1

Flash Point(C)

12 °C - closed cup - DIN 51755 Part 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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The fluorination of 4-methylmorpholine over cobalt (III) fluoride: The isolation and characterisation of some novel polyfluoro-4-methylmorpholines by mass spectrometry and nmr spectroscopy; the mechanism of the title reaction.
Rendell RW and Wright B.
Tetrahedron, 34(2), 197-203 (1978)
Ki-Sub Kim et al.
Chemical communications (Cambridge, England), (7)(7), 828-829 (2004-03-27)
Ionic liquids based on N-alkyl-N-methylmorpholinium salts have been synthesized and the physical and electrochemical characteristics of this family of ionic liquids have been investigated for use as electrolytes.
K Sitarek
Teratogenesis, carcinogenesis, and mutagenesis, 19(6), 369-376 (1999-12-10)
N-methylmorpholine, which is used as a catalyst in polyurethane foams producing, in solvents, stabilizing agents, and corrosion inhibitors, was administered to female rats by gavage at 100, 200, 600, and 900 mg/kg during organogenesis. It did not exhibit selective toxicity
L Belin et al.
British journal of industrial medicine, 40(3), 251-257 (1983-08-01)
Investigations of respiratory symptoms among workers in a factory producing polyurethane foam included measurement of air pollution with amines and isocyanates and a simultaneous health investigation of the exposed workers. An increased bronchial reactivity to inhaled methacholine was found in
L Hansén et al.
Scandinavian journal of work, environment & health, 12(1), 66-69 (1986-02-01)
The N-methylmorpholine levels in workroom air in a polyurethane foam factory were determined by two methods in which midget impinger flasks were used for sampling. The analyses were performed by gas chromatography and isotachophoresis. The values obtained by the gas
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