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Merck
CN

M79603

NMP

ReagentPlus®, 99%

Synonym(s):

1-Methyl-2-pyrrolidone, N-Methyl-2-pyrrolidone, NMP

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About This Item

Empirical Formula (Hill Notation):
C5H9NO
CAS Number:
872-50-4
Molecular Weight:
99.13
NACRES:
NA.21
PubChem Substance ID:
329818046
UNSPSC Code:
12352005
EC Number:
212-828-1
MDL number:
MFCD00003193
Beilstein/REAXYS Number:
106420
Assay:
99%
Bp:
202 °C (lit.)
81-82 °C/10 mmHg (lit.)
Vapor pressure:
0.29 mmHg ( 20 °C)
0.99 mmHg ( 40 °C)

Key Documents

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Product Name

1-Methyl-2-pyrrolidinone, ReagentPlus®, 99%

SMILES string

CN1CCCC1=O

InChI key

SECXISVLQFMRJM-UHFFFAOYSA-N

InChI

1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3

vapor density

3.4 (vs air)

vapor pressure

0.29 mmHg ( 20 °C)
0.99 mmHg ( 40 °C)

product line

ReagentPlus®

assay

99%

form

liquid

autoignition temp.

518 °F

expl. lim.

9.5 %

dilution

(for general lab use)

impurities

≤0.1% water (Karl Fischer)

color

APHA: ≤50

refractive index

n20/D 1.47 (lit.)

pH

7.7-10.0 (20 °C, 100 g/L)

bp

202 °C (lit.)
81-82 °C/10 mmHg (lit.)

mp

−24 °C (lit.)

density

1.028 g/mL at 25 °C (lit.)

Quality Level

100

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Related Categories

Application

Undergoes condensation reactions with arylthioacetamides and methyl salicylates. Versatile solvent for water miscible applications.

Other Notes

A Greener alternative is available for many NMP applications, Cyrene (807796)

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Repr. 1B - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 1

flash_point_f

195.8 °F - Pensky-Martens closed cup

flash_point_c

91 °C - Pensky-Martens closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
SHBT1603
SHBS8540
SHBS4797
SHBR6474
SHBR4711

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J. Mol. Catal., 85, L109-L109 (1993)
Journal of the Chemical Society. Chemical Communications, 1437-1437 (1994)
U Isele et al.
Journal of pharmaceutical sciences, 83(11), 1608-1616 (1994-11-01)
This work describes the development of an organic solvent dilution method suitable for the large scale manufacturing of small unilamellar liposomes containing the water-insoluble photosensitizer zinc phthalocyanine in the monomeric state. N-Methyl pyrrolidone (NMP)/tert-butyl alcohol was selected as water miscible
The Journal of Organic Chemistry, 58, 7277-7277 (1993)
Chun-Wa Chung et al.
Journal of medicinal chemistry, 55(2), 576-586 (2011-12-06)
Bromodomain-containing proteins are key epigenetic regulators of gene transcription and readers of the histone code. However, the therapeutic benefits of modulating this target class are largely unexplored due to the lack of suitable chemical probes. This article describes the generation
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