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Merck
CN

49322

NMP

puriss. p.a., ≥99.0% (GC)

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:
Molecular Weight:
99.13
UNSPSC Code:
12352005
PubChem Substance ID:
EC Number:
212-828-1
Beilstein/REAXYS Number:
106420
MDL number:
Assay:
≥99.0% (GC)
Technique(s):
GC/GC: suitable
Bp:
202 °C (lit.), 81-82 °C/10 mmHg (lit.)
Vapor pressure:
0.29 mmHg ( 20 °C), 0.99 mmHg ( 40 °C)
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Product Name

1-Methyl-2-pyrrolidinone, puriss. p.a., ≥99.0% (GC)

vapor density

3.4 (vs air)

Quality Segment

vapor pressure

0.29 mmHg ( 20 °C), 0.99 mmHg ( 40 °C)

grade

puriss. p.a.

assay

≥99.0% (GC)

form

liquid

autoignition temp.

518 °F

expl. lim.

9.5 %

technique(s)

GC/GC: suitable

impurities

≤0.1% water

refractive index

n20/D 1.47 (lit.), n20/D 1.470

pH

7.7-8

bp

202 °C (lit.), 81-82 °C/10 mmHg (lit.)

mp

−24 °C (lit.)

density

1.028 g/mL at 25 °C (lit.)

cation traces

Ca: ≤5 mg/kg, Cd: ≤1 mg/kg, Co: ≤1 mg/kg, Cr: ≤1 mg/kg, Cu: ≤1 mg/kg, Fe: ≤1 mg/kg, K: ≤20 mg/kg, Mg: ≤1 mg/kg, Mn: ≤1 mg/kg, Na: ≤20 mg/kg, Ni: ≤1 mg/kg, Pb: ≤1 mg/kg, Zn: ≤1 mg/kg

SMILES string

CN1CCCC1=O

InChI

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

InChI key

SECXISVLQFMRJM-UHFFFAOYSA-N



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pictograms

Health hazardExclamation mark

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

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter



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